Contributions of Ancient Arabian and Egyptian Scientists on Chemistry

West Bengal, India. Abstracts The moderndifferent procedures depending on the character
chemistry is based on the findings and thinking ofand form of the chemical treatment and the
the people of historical age. If no one knows thesubstance chosen for this purpose; the substance
base and work of the previous on a subject, hebeing called the 'Noble Stone' or 'Philosopher's
or she could mere develop a new thought orStone'. This may be excrements, or blood, or hair,
findings. For, a civilization must know its past.or eggs, or anything else. After the substance has
Hence, the present work is a small effort to findbeen specified, it is treated along certain lines
out the contribution of ancient Arabian andmentioned in their books. The result is an earthen
Egyptian scientists in the field of Chemistry.or fluid substance which is called Elixir. These
Different scientists of different school of thought,chemists think that if Elixir is added to silver which
correlating different streams of science beinghas been heated in a fire, the silver turns into
Chemistry as a main subject, are described in thegold. If added to copper which had been heated in
present work. Chemistry deals with thea fire, the copper turns into silver. The question
composition and properties of substances and thearises whether the metals are of specific
changes of composition they undergo. It has beendifferences, each constituting a distinct species, or
divided into Inorganic and Organic. The conceptionwhether they differ in certain properties and
of this in modern Chemistry came fromqualities and constitute different kinds of one and
al-Rãzi's classification of chemicalthe same species? Abü Nasr
substances into mineral, vegetable and animal.al-Färabi and his followers held the
Inorganic Chemistry, deals with the preparationopinion that the difference in metals is caused by
and properties of the elements, and theircertain conditions such as humidity and dryness,
compounds, originally arose from the study ofsoftness and hardness, and colours such as
minerals and metals, whereas Organic Chemistry,yellow, white and black. According to him the
which deals with carbon compounds, developedmetals are different kinds of one and the same
through the investigation of animal and plantspecies. On the other hand, Ibn Sina and his
products. Prior to 1828 it was not possible tofollowers believed that metals have specific
synthesize organic substances from theirdifferences and belong to different species, each
elements and, therefore, it was supposed thatof which has its own differential and genus, like all
there existed fundamental difference betweenother species. According to Abü
Organic and Inorganic Chemistry. In 1828 F.Nasr al-Färãbi, it is
Wohler synthetically prepared urea, an organicpossible to transform one metal into another,
substance; thereby revealing that there was nobecause it is possible to change their conditions.
fundamental difference between these two"Ibn Sinà thought that such transformation
branches of Chemistry. Since carbon compoundswas impossible. His assumption is based on the
were numerous, their study separately madefact that specific differences in metals cannot be
under Organic Chemistry, and study of elementschanged by artificial means. He believed that since
and non-carbon compounds included in Inorganicthe metals are created by the Creator and
Chemistry'. (1) The earliest discoveries in InorganicDeterminer of things, God Almighty, and the
Chemistry were made in metallurgy, Materiamystery of their real character was utterly
Medica, painting, enameling, glazing, glass-making,unknown and could not be perceived, any
arts, etc. These arts, and many metals,attempt for transformation would be
compounds and alloys were known to the Arabs.meaningless". (18) Ancient Arabs' art of
Similarly, the discoveries in Organic Chemistrytransformation of metals was based upon
were made in the arts of dyeing, tanning, theHellenistic and Iranian traditions, but apparently the
manufacture of paper, in the study of fats, bothmain principles and the main operations were
of plant and animal origin, in medicine, etc. Thusalready established long before the 12th century.
Chemistry had its sources in photo techniques,Before this century the Arabs had not only made
mineralogy, metallurgy, Materia Medica andmany experiments, and produced several works
decorative arts. It is the product of transmutationon this art, but they had begun to doubt and
of baser metals into gold and philosophicalcriticise the most advanced theories concerning it.
thoughts of practical or theoretical interest. Finally,This proves that the standard of their chemical
it is the result of the study of the properties ofthinking was advanced. The 12th and 13th
the substances. A Greek philosopher, Empedocles,centuries added very little to their knowledge
held the view that all the four elements, air,about the transformation of metals, but their
water, earth and fire, were the primal elements,research continued in various fields. The main
and that the various substances were made bychemical writer of this age was
their intermixing. He regarded them to be distinctAbu'l-Qãsim Muhammad al-Iraqi who
and unchangeable. Aristotle considered theseflourished in the second half of the 13th century.
elements to be changeable i.e., one kind of matterHe was an experimenter and a theorist. His works
could be changed into another kind. (2)represent the full development of the Arabic
Jábir ibn Hayyãndoctrine. (19) The 14th century was an
(Liatinized as Geber), a great Arabian Chemist ofenlightened period when a group of intelligent
the 8th century A.C., modified the Aristotelianwriters began to reject the idea of
doctrine of the four elements, and presented thetransformation of metals by chemical means. One
so-called sulphur-mercury theory of metals.of such person was a historian, Rashid al-Din who
According to this theory metals differ essentiallydescribed such chemical practice in Mongol Persia
because of different proportions of sulphur andand expressed his distrust of such chemists. The
mercury in them. He also formulated the theorylarge encyclopaedic work Nukhbat al-Dahr of
of geologic formation of metals. Unlike his Greekal-Dimashqi contains, in part second, much
predecessors, he did not merely speculate, butinformation on metal, their properties, and
performed experiments to reach certaininfluences. (19) As usual in Arabic treatises,
conclusions. He recognized and stated thechemistry is mixed up with mineralogy and
importance of experimentation in Chemistry. Hegeology. (20) Even in their purely chemical
combined the theoretical knowledge of theresearches on transformation of metals, the Arab
Greeks and practical knowledge of the craftsmen,chemists achieved by no means unimportant
and himself made noteworthy advance both inresults. In their efforts to discover Elixir they
the theory and practice of Chemistry.often discovered new chemical processes, and hit
Jâbir's contribution to Chemistry isupon the catalytic properties of various
very great. He gave a scientific description of twosubstances. The pains, which they took in the
principle operations of Chemistry. One of them issearch of gold, ultimately resulted in their great
calcinations which is employed in the extraction ofcontribution to the development of modern
metals from their ores. The other is reductionchemistry. The last important chemist of the 14th
which is employed in numerous chemicalcentury was 'Izz al-Din 'Ali Ibn al- Jildaki. Some
treatments. He improved upon the methods oftwenty treatises are ascribed to him. The list
evaporation, melting, distillation, sublimation andshows al-Jildaki's great activity as a chemical
crystallization. These are the fundamentalwriter. A complete study of his vast writings is
methods employed for the purification of chemicalnecessary to know what he actually tried to
substances, enabling the chemist to study theirestablish. To some extent, this study was made
properties and uses, and to prepare them. Theby Ruska, Stapleton, Holm yard, and their disciples.
process of distillation is particularly applied forOne of al-Jildaki's important books entitled
taking extract of plant material. In the opinion ofNihâyat al-Talab fi Sharh al-Muktasab
JÃ bir the cultivation of gold was not thecontains many quotations from the earlier works,
only object of a chemist. The preparation of newand some novelties, as the use of nitric acid to
chemical substances was also regarded by him asextract silver out of the gold-silver alloy. Al- Jildaki
the chief object of Chemistry. We owe to himremarked that the substances do not react
for the first preparation of such substances asexcept by definite weights. (21) This is one of the
arsenic and antimony from their sulphides, andfour fundamental laws of modern chemistry. The
basic lead carbonate. He also did important work inancient chemists applied their chemical knowledge
the preparation of steel, and the refinement ofto a large number of industrial arts. Only three
metals. JÃ bir also deals with suchsuch arts are mentioned here, which will enable
applications as the use of manganese dioxide inthe readers to estimate the extent of their
glass-making, varnishes to water-proof cloth andknowledge of Applied Chemistry. Paper: Paper
protect iron use of iron pyrites for writing in goldwas invented by the Chinese who prepared it
and distillation of vinegar to concentrate aceticfrom the cocoon of the silkworm. Some
acid. The most important discovery made by Jabirspecimens of Chinese paper extant date back to
was the preparation of sulphuric acid. Thethe second century A.C. The first manufacture of
importance of this discovery can be realized bythe paper outside China occurred in Samarqand
the fact that in this modern age the extent of(757). When Samarqand was captured by Arabs
the industrial progress of a country is mostlythe manufacture of paper spread over the whole
judged by the amount of. sulphuric acid consumedArab world including the Maghrib. (Tunis, Morocco,
in that country. Another important acid preparedAlgiers).
by him was nitric acid which he obtained byBy the end of the 12th century there were four
distilling a mixture of alum (of Yemen) and copperhundred paper mills in Fasalone. In Spain the main
sulphate (of Cyprus). Then by dissolvingcentre of manufacture of paper was Shatiba
ammonium chloride into this acid, he preparedwhich remained a ancient Arab city until 1239.
aqua regia which, unlike acids, could dissolve gold inCordova was the centre of the business of paper
it. Jabir classified chemical substances, on the basisin Spain. The Arabs developed this art. They
of some distinctive features, into bodies (gold,prepared paper not only from silk, but also from
silver, etc.) and souls (mercury, sulphur, etc.) tocotton, rags and wood.In the middle of the 10th
make the study of their properties easier.century the paper industry was introduced in
Jãbir is the author of a large numberSpain. In Khurasan paper was made of linen.
of books on chemistry and a book on astrolabe.There is an early treatise dealing with
About one hundred chemical works ascribed topaper-making, the Umdat al-Kuttab wa 'Uddatu
him are extant. His fame chiefly rests on hisdhawi'l-Albãb which is ascribed to the
chemical books preserved in Arabic. (3) We findAmir al- Mu'izz' Ibn Badis, a ruler of the Zayri
that the author recognized and stated clearly thedynasty (1015-61) in Tunis. The 11th chapter of
importance of experimentation more clearly thanthis treatise, dealing with paper, has been edited,
any other early chemist. He remarkably soundtranslated and elaborately discussed by the
views on methods of chemical research. It isforemost student of Arabic paper, Josef
impossible to reach definite conclusions regardingKarabacek. This work explains how to prepare
the extent of his contributions until all the Arabicthe pulp, make the sheets, wash and clean them,
writings ascribed to him have been properlycolour, polish and paste them, and give them an
edited and studied. But on the basis of ourantique appearance. No text comparable to this in
present knowledge, Jabir appears to be one ofany other language of so early a date is known.
the greatest scientist whose influence can beThe preparation of pulp involves a large number
traced throughout the whole period of theof complicated chemical processes, which shows
historical development of the Arabian andthe advancement of the chemical knowledge of
European chemistry. In the light of these facts itthe Arabs and Egyptians at that time. The
would not be improper to call Jãbir asmanufacture of writing-paper in Spain is one of
the father of Chemistry. Some of the chemicalthe most beneficial contributions of Arabs to
writings to which Jãbir's name isEurope. Without paper the scale on which popular
attached were translated into Latin. The first sucheducation in Europe developed would have not
version, the Book of the Composition of Alchemybeen possible. The preparation of paper from silk
was made by Robert of Chester in 1144. Thewould have been impossible in Europe due to the
Kitab al-Sab'in (the book of the seventy) waslack of silk production there. The Arabs method
translated by Gerard of Cremona in the 12thof producing paper from cotton could only be
century'. The translation of the Sum of Perfectionuseful for the Europeans. After Spain the art of
was made by Richard Russell. One of his bookspaper-making was established in Italy (1268-76).
has been translated into French by Berthelot. (4)France owed its first paper mills to ancient Spain.
Several technical terms have passed fromFrom these countries the industry spread
Jãbir's Arabic writings through Latinthroughout Europe. Another type of paper;
into the European languages. Among these aremarbled paper, which was common upon
realgar (red sulphide of arsenic), tutia (zinc oxide),end-papers, paper covers and edges of books,
alkali, antimony, and alembic for distillation Vessel.was prepared in the East, and exported to the
The Arabic equivalents for the last three wordsWest. About the preparation of marbled paper
are alqali, ithmad, and al-'anbiq respectively. (5)Roger Bacon tells us: "The Turks have a pretty
Before Jãbir Ibn Hayyan, theart of chamoletting of paper, which is not with us
Umayyad prince Khalid Ibn Yazid, who was ain use. They take diverse oiled colours, and put
philosopher, poet and chemist, encouraged Greekthem severally (in drops) upon water; and stirr
philosophers in Egypt to translate Greek scientificthe water lightly and then wet their paper (being
works into Arabic. These were among the earliestof some thickness) with it, and the paper will be
translations in Arabic from other languages. Hewaved, and veined, like Chamolet or Marble'.
was himself deeply interested in medicine,Books bound in the West towards the end of the
astrology and chemistry. Many chemical works16th century are found with end-papers brought
are ascribed to him. One of them is entitledfrom the East, but it was not until about a
Firdaus al-Hikmah fi'Ilm al-Kimiya. This work was incentury later that European binders began to
verse, and contained 2,315 couplets. (6) Anmake them themselves. Hand-made marbled
encyclopaedic scientist, and philosopher, Abu Yusufpapers are now rarely used, but more or less
Ya'qub al-Kindi considered the art ofclumsily reproduced imitations still serve various
transformation of one metal into the other as anpurposes.
imposture. A few of 'his numerous works dealingThere is an Arabic word 'rizma' meaning a bundle
with many sciences are extant. One of his worksof merchandise, which had been adopted in
is on pharmacy, a branch of applied chemistry. (7)almost every Western language with slight
Chemistry was usually mixed up with mineralogyvariations to mean a bundle of paper (English:
and geology. The oldest Arabian lapidary whichream). This also testifies to the Arabic origin of
may serve as an important source of chemistrythat business in the West. (22) Tiles : The industry
was written by 'Utärid Ibnof tile-making which involves a large number of
Muhammad al-Hãsib who flourished incomplex technical and chemical processes, was
the ninth century. It deals with the properties ofhighly developed by Arabs. The earliest treatise, a
precious stones. (8) In the same centuryPersian text, dealing with the manufacture of
Jãbir's work was further advancedfaience, was unique of its kind in world literature
by al-Räzi who wrote many chemicaluntil the 16th century. It has been written by 'Abd
treatises, and described a number of chemicalAllah Ibn 'Ali Kà shà ni in the 13th
instruments. One of his treatises consists of 25century. This book entitled Jawahir
pieces of chemical apparatus. He madeal-'Arã'is Wa Aja'ib
investigations on specific gravity. One of hisal-Nafä'is was written on precious
important works is on the art of transformationstones and perfumes. It explains the manufacture
of baser metals into the noble ones. He applied hisof Faience, the ingredients (as clay, borax,
chemical knowledge for medical purposes, thusfeldspar, cobalt, lapis lazuli, lead, manganese, tin
laying the foundation of Iatrochemistry. (9) Otheretc.), their mixtures, the kiln processes and
important chemists of this century wereimplements, the methods of glazing and
Dhu'l-Nün and al-Jà hiz. Thedecorating. This treatise is similar to the various
former mostly dealt with the art of transmutationother treatises on precious stones written in
of metals. (10) The latter prepared ammonia fromArabic and Persian. The final chapter deals with
animal offals by dry distillation. (11) In the tenththe art of enamelled pottery. This account is
century Ibn Wahshiyah wrote on chemistry, Hisspecially valuable because it is based on actual and
work may help to understand chemical symbolism.traditional practice. The maker of the beautiful
Maslamah Ibn Ahmad, an astronomer,lustre 'mihrab' (arch) of the tomb of Imam
mathematician and oculist of this century wroteYahyã (now in the Hermitage,
two chemical works entitled, Rutbat al-Hakim andLeningrad), dated 1305 A.C., Yusuf Ibn 'Ali Ibn
Ghãyat al-Hakim. The second is wellMuhammad, was possibly a brother of the author.
known in the Latin translation made in 1252 by(23) Ceramics: The early history of Arabian and
the order of King Alfonso under the title Picatrix.Egyptian ceramics has not so far been written.
(12) A Persian pharmacologist AbüMany interesting specimens have been discovered
Mansür Muwaffaq Ibn 'Ali al-Harawiin recent years which throw much light on the
who flourished in Herat in the tenth century, wasdevelopment of this industry in the Arab world.
apparently the first to think of compiling a treatiseThe centers of this industry were situated in
on Materia Medica in Persian. He travelledPersia, Mesopotamia, Syria, Egypt and Valencia
extensively in Persia and India to obtain necessaryfrom where various types spread rapidly
information. He wrote, between 968 and 977, athroughout the Islamic Caliphate. Under Arabian
book entitled Kitab al-Abniyah 'aninfluence the potters in these Centers revived old
Haqã'iq al-Adwiyah. It contains Greek,technical processes, developed new ones and
Syrian, Arabian, Persian, and Indian knowledge. Itbegan to experiment with decorative and
deals with 585 remedies (of which 466 areornamental schemes. The Arabian potters readily
derived from plants, 75 from minerals, and 44absorbed progressive ideas but at the same time
from animals). He classified them into four groupsmaintained great originality. Two types of pottery
according to their action, and gave the outline of awere in common use; enamelled and lustered. In
general pharmacological theory. Abuenamelled pottery (the glazed earthenware) the
Mansür distinguished betweenAncient s, from an early period, were expert
sodium carbonate (natrum) and potassiummasters. In lustered pottery also they made
carbonate (qali). He had some knowledge ofgreat progress. "In this the design is painted in a
arsenious oxide, cupric oxide, silicic acid, antimonymetallic salt on a glazed surface and fixed by firing
and so on. He knew the toxicological effects ofin smike in a way that gives it a metallic gleam,
copper and lead compounds, the depilatory virtuewhich varies in different specimens from a bright
of quicklime, the composition of plaster of Pariscopper-red to a greenish- yellow tint, and in some
and its surgical use. (13) The greatest Arabiancases throws off brilliant iridescent reflections. (24)
surgeon, Khalaf Ibn 'AbbäsIn the last chapter of the Persian text Kitab
al-Zahrãwi (d. 1013) wrote a greatal-Jawähir' al-'Ara'is Wa
medical encyclopaedia, al-Tasrif in 30 sections,'Ajã'ib al-Nafa'is, the author describes
which contains interesting methods of preparingthe techniques of glazing with two fires (lustres),
drugs by sublimation and distillation, but its mostleaf building, over glaze decoration fired in a muffle
important part is the surgical one. (14)kiln. (i.e., separated from the flame, the source of
Abü Rayhan Muhammadheat being outside), haf't rang, a Persian term
al-Birüni (973-1048) took a greatreferring to the seven colours of the planets.
interest in the determination of the specificThere may be a reference to the polychrome
gravity of eighteen precious stones and metals. Aover glaze technique, the so called minai ware
voluminous unedited lapidary by al- Biruni is extant(another Persian term; mina-wash means lustre;
in unique manuscript in the Escorial Library. Itmina coloured). The author indicates differences
contains a description of a great number ofbetween the art as practiced in Kashan, Baghdad
stones and metals from the natural, commercial,and Tabriz. In Baghdad and Tabriz other kinds of
and medical point of view. Moreover, hefirewood and potash were used. In the 15th
composed a pharmacology (saydalah).Importantcentury the Arabian ceramic art was followed by
information could certainly be obtained from hisItalian potters, who obtained much of the mature
unedited works, on the origin of Indian andtechnical knowledge from Arab sources. This
Chinese stones and drugs, which appeared in earlytechnical knowledge proved to be helpful in the
Arabic scientific works. (15) Ibn Sinà wroterevival of ceramic art during the Renaissance. (25)
a treatise on minerals, which was very importantREFERENCES :- 1. Encyclopaedia Britannica,
and one of the main sources of geologicalchicago, 1951, p.360 2. Ibid., p. 355. 3 Sarton
knowledge, also a source of chemistry in WesternGeorge, Introduction to the History of Science,
Europe until the Renaissance. As mentionedWashington, 1950, Vol I. p. 532. 4. Wasiti, Hakim
before, mineralogy stood in close relation toNayyar, Tibb al-'Arab ( ãn Urdu
chemistry. Nearly fifty Arabic lapidaries have beenTranslation of Arabian Medicine by Edward G.
named. The best known of them is. the 'FlowersBrowne), Lahore, 1954, p. 26. 5. Ibid. 6.
of Knowledge of Stones', by Shihà b al-DinHãji Khalifah, Kashf
al-Tifãshi (died in Cairo in 1154). Ital-Zunün, Istanbul, 1943. Vol., I, p.
gives in 25 chapters extensive information on the1254. Al-Zirakli, Khair al-Din, Al-'Alãm
subject of the same number of precious stones,vol. II p. 342. 7. Sarton, op. cit., p. 559. 8. Ibid., p.
their origin, geography, examination, purity, price,572. Al-Qifti, op. cit. p. 251. 9. Ibid., p. 271. Sarton,
application for medicinal and magical purposes, andop. cit. p. 609. 10. lbid, p. 592. 11. lbid, p. 597. 12.
so on. Except for Pliny and the superiorIbid., pp. 620, 668. 13. Ibid., p. 678. 14. Ibid., p. 681.
Aristotelian lapidary, he quotes only Arabic15 Ibid., p. 707. 16. Ibid, vol. II, part II, p. 650.
authors. (16)17. Ibn Khaldun, Muqaddimah, English translation by
The output of the books on Chemistry was veryFrenz Rosenthal, London, 1957, vol. 3, p. 267. 18.
great after the eleventh century. Thus, there areIbid. p. 278 19. Haji. Khalifah, op. cit. p. 1936. 20.
known books of about forty Arabic and PersianSarton, op. cit vol. III, part I, p. 759. 21. Ibid. Vol. II,
chemists. Ibn Khaldun, (d. 1406) the talentedPart. II, p. 1045. 22. Sarton, op. cit., Vol. III, Part I,
Arabian philosopher of history and the greatestp. 321. 23. Sarton, op. cit vol. III , part I, p. 756. 24.
intellect of his century, was a violent opponent ofArnold and Guillaume, op. cit. p. 125. 25. Sarton,
the idea of transmutation of metals by chemicalGeorge, Introduction to the History of Science,
means. (17) Some chemists thought that oneCarneige Institution of Washington, 1951, Vol. I, p.
metal can be transformed into another by artificial632.
methods. For such transformation they followed