Sodium tripolyphosphate, process for making it, and its use

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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252109, 252133, 252174, 252175, 423265, 423275, 423306, 423315, C01B 2530, C01B 2540, C11D 306, C11D 1102

Patent

active

044540540

ABSTRACT:
The disclosure relates to sodium tripolyphosphate containing up to 95 weight % phase-I, 0.1 to 22 weight % water of crystallization and 0.01 to 2.0 weight %, calculated as metal, of a compound of the metals selected from calcium, magnesium, zinc or strontium, the compound yielding ions in an aqueous medium. The disclosure also relates to a process for making the tripolyphosphate, and to its uses.

REFERENCES:
patent: 3272752 (1966-09-01), Hartlapp
patent: 3350318 (1967-10-01), Green
patent: 3383321 (1968-05-01), Davis
patent: 3397947 (1968-08-01), Shaver
patent: 3770644 (1973-11-01), Huttinger

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