Potassium sodium tartrate tetrahydrate

Potassium sodium tartrate tetrahydrate, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5% (perchloric acid titration)

200

USP/NF, reag. ISO, reag. Ph. Eur.

ACS reagent, puriss. p.a.

≥99.5% (perchloric acid titration)

≤0.001% total nitrogen (N)

7.0-8.5 (20 °C, 5%)

chloride (Cl^-): ≤5 mg/kg, phosphate (PO₄^3-): ≤10 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg

Ca: ≤40 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤5 mg/kg

O.O.O.O.[Na+].[K+].O[C@H]([C@@H](O)C([O-])=O)C([O-])=O

1S/C4H6O6.K.Na.4H2O/c5-1(3(7)8)2(6)4(9)10;;;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;4*1H2/q;2*+1;;;;/p-2/t1-,2-;;;;;;/m1....../s1

VZOPRCCTKLAGPN-ZFJVMAEJSA-L