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Photographers' Formulary Sodium Sulfite - 1 Lb.

B&H # PHSSLBZ MFR # 10-1340 1LB
Photographers' Formulary Sodium Sulfite - 1 Lb.

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Synonyms Sulfite of Soda
Sodium sulfite anhydrous
Disodium sulfite
Sulfurous acid, disodium salt
Exsiccated sodium sulfite
Appearance White Granular Crystals, or powder
Uses As a preservative of developing agents
Constituent of the acid fixing bath
Blackener in negative intensification
Active energizer in amidol development
To clear Polaroid Type 55 black & white negatives
Chemical Formula Na2SO3
Notes Sodium sulfite is the most widely used preservative in developers. It also plays an important part in the process itself.
Packaging Info
Package Weight 1.1 lb
Box Dimensions (LxWxH) 4.8 x 3.1 x 3.1"
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