Thiourea for industrial use — Part 1: Test methods
NORMA vydaná dňa 18.1.2024
Designation standards: ISO 7431-1:2024
Publication date standards: 18.1.2024
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: 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.