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(bī-krō′māt′, -mĭt)
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Photographers have used this gum bichromate technique to lend a painterly aspect to their works since the 19th century.
The method was based on oxidation of substances with potassium bichromate in concentrated sulphuric acid, and subsequent conversion of the bichromate used to its oxygen equivalent and related caloric value.
9 Source: Data Consult Table - 4 Basic material requirement of PT Iglas per month (Tons) Types of Basic material Monthly requirement Glass crystals 1,800 Green glass shards 1,770 Grey glass shards 700 M-1 UVA Sand 2,150 M-1 flint Belitung Sand 2,700 M-1 Flint tuban Sand 800 M-2 Amber Sand 850 Dolomite 500 Limestone 1,100 Aluminium Hydroxide 140 Sodium Sulphate 55 Sodium Bichromate 11.
Chrome dyes: A synthetic dyes that use potassium bichromate to form a permanent bond between the yarn and the dye.
Technological Innovations II-17 RUSAL Develops Soda Ash from Nepheline Syenite II-17 FMC Introduces AbsorptaPlus II-17 The Bicar Method II-17 Champion International's BFR Process II-17 Electrolytical Conversion of Sodium Chromate to Sodium Bichromate II-17 Busan 1130 - A New Leather Treatment Bactericide II-17 Recovery of Strontium Carbonate II-17
His association with Stieglitz had such impact, however, that he would promptly abandon his painting studies at the Academie Julian to pursue photography and the new gum bichromate process, the precursor to colored photography.
We all experimented in various ways with the photographic printing technique--gum bichromate and all began by making sheets of porcelain on which to print.