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ISO 7431-1:2024

Thiourea for industrial use — Part 1: Test methods

General information
Valid from 18.01.2024
Directives or regulations
None

Standard history

Status
Date
Type
Name
18.01.2024
Main
The document specifies test methods for industrial thiourea properties, such as thiourea content, water insoluble substance, ignition residue, initial melting point, turbidity, thiocyanate content, calcium element and heavy metals.
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Standard monitoring