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Photographers' Formulary Sodium Citrate - 10 Grams

Photographers' Formulary Sodium Citrate - 10 Grams

B&H # PHSC10GQ MFR # 10-1220 10G
Photographers' Formulary Sodium Citrate - 10 Grams

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Photographers' Formulary 10-1220 10G specs

Synonyms Citrosodine
Trisodium citrate
Citric acid, trisodium salt
2-hydroxy-1,2,3-propanetricarboxylic acid, trisodium salt, dihydrate
Sodium citrate dihydrate
Appearance White crystals
Uses In a sizing/salting solution for Albumen printing
Chemical Formula HOC (COONa) (CH2COONa)2. 2H2O
Notes Albumen prints use good quality paper - preferably-hand made or mould-made watercolor paper - which is soaked in a salt solution (this can be sodium chlodide, but is often sodium citrate and ammonium chloride, usually around 4% by weight) and dried. In subdued light, it is brushed with a generous coating of silver nitrate solution (around 12% by weight - sometimes containing a little citric acid) and dried in darkness or very subdued light.

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