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Photographers' Formulary Sodium Phosphate, Tribasic - 10g

Photographers' Formulary Sodium Phosphate, Tribasic - 10g

B&H # PHSPT10G MFR # 10-1310 10G
Photographers' Formulary Sodium Phosphate, Tribasic - 10g

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Synonyms Normal sodium ortho-phosphate
Trisodium orthophospate
Trisodium Phosphate, 12-Hydrate
Phosphoric Acid, Trisodium Salt, Dodecahydrate
Appearance Colorless, needle crystals
Smaller than the dibasic crystals
Uses An alkali used as a substitute for caustic and carbonate alkalies in negative development
Used as a water softener
Good for cleaning and detoxifying vessels and trays that contained fixer.
Chemical Formula Na2PO2 . 12H2O
Notes Most of the TV "miracle" cleaners are TSP compound, plus carrying agents and coloring. Also known as T.S.P. General cleaner for spills in work area, scouring dyepots. Generally fairly safe but can cause irreversible damage if ingested. Pour down toilet.
Alternatives: Baking soda, tartaric acid, water softener.
Source: Grocery store or hardware store
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