Process for manufacturing tetrasodium pyrophosphate

Process for manufacturing tetrasodium pyrophosphate

A process is provided for manufacturing tetrasodium pyrophosphate from sodium tripolyphosphate and a sodium salt capable of forming sodium carbonate on calcination. A compound capable of forming sodium carbonate is added to adjust the mol ratio to about 2, the mixture is milled and heated to from 30...

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Hauptverfasser: HENSLER, PAUL L
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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PAUL L
description A process is provided for manufacturing tetrasodium pyrophosphate from sodium tripolyphosphate and a sodium salt capable of forming sodium carbonate on calcination. A compound capable of forming sodium carbonate is added to adjust the mol ratio to about 2, the mixture is milled and heated to from 300 DEG C. to 700 DEG C.
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subjects CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
title Process for manufacturing tetrasodium pyrophosphate
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