-Caustic soda - see Caustic potash.
-CCD - electronic sensor used by all autofocus cameras, capable of detecting subject contrast.
SODIUM HYDROXIDE (CAUSTIC SODA, SODIUM HYDRATE), NaOH-A deliquescent white material usually available as pellets, flakes, or sticks. Soluble in water with the liberation of heat. A very active accelerator used in high-energy developers.
sodium hydroxide (common name caustic soda)
potassium hydroxide (potash lye)
lye (generic term, for either of the previous two, or even for a mixture)
sodium carbonate (soda ash)
potassium carbonate (potash) ...
sulphate wood pulp
paper pulp made from wood chips cooked under pressure in a solution of caustic soda and sodium sulphide.
sulphite wood pulp
paper pulp made from wood chips cooked under pressure in a solution of bisulphite of lime.
 See also: Positive, Element, Print, Stand, Available
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