puriss.
200
99.5-101.0% (acidimetric)
powder or crystals
meets analytical specification of Ph. Eur., BP, USP, E501
organic volatile impurities, complies (GC)≤0.0005% heavy metals (as Pb)≤0.002% ammonium (NH4)
≤0.1% loss on drying, 4 h (on silica gel)
8.0-8.6 (20 °C, 5%)
water: soluble(lit.)
carbonate (K2CO3): ≤2.5%chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤100 mg/kg
As: ≤1 mg/kgCa: ≤50 mg/kgFe: ≤10 mg/kgNa: ≤300 mg/kgPb: ≤5 mg/kg
complies for appearance of solution
[K+].OC([O-])=O
1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
TYJJADVDDVDEDZ-UHFFFAOYSA-M
11 - Combustible Solids
WGK 1
Eyeshields, Gloves, type N95 (US)