Sodium carbonate decahydrate

reag. ISO, reag. Ph. Eur.

puriss. p.a.

99-102%

alkali hydroxids and hydroxide carbonates, complies, ≤0.0005% heavy metals (as Pb), ≤0.0005% total nitrogen (N), ≤0.003% total S (as SO₄)

chloride (Cl^-): ≤5 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg, silicate (as SiO₂): ≤10 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Ca: ≤20 mg/kg, Cu: ≤5 mg/kg, Fe: ≤2 mg/kg, K: ≤50 mg/kg, Mg: ≤2 mg/kg, Pb: ≤2 mg/kg, Zn: ≤5 mg/kg

in accordance for appearance of solution

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]C([O-])=O

1S/CH2O3.2Na.10H2O/c2-1(3)4;;;;;;;;;;;;/h(H2,2,3,4);;;10*1H2/q;2*+1;;;;;;;;;;/p-2

XYQRXRFVKUPBQN-UHFFFAOYSA-L