Sodium thiosulfate pentahydrate

Agency

suitable for EPA 1621
suitable for ISO 25101

Quality Level

200

grade

puriss.

분석

99.0-100.5% (USP, dry basis)
99.0-101.0% (EP)

양식

crystalline

품질

meets analytical specification of Ph. Eur., BP, USP

불순물

residual solvents, complies
≤0.0005% heavy metals (as Pb)

손실

32-37% loss on drying, 16 h (vacuum)

pH

6.0-8.4 (20 °C, 10%)

음이온 미량물

sulfate, sulfite (as SO₄^2-): ≤2000 mg/kg
sulfide (S^2-): in accordance

양이온 미량물

As: ≤3 mg/kg
Ca: ≤50 mg/kg
Fe: ≤10 mg/kg

적합성

complies for appearance of solution

응용 분야

PFAS testing

SMILES string

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

InChI

1S/2Na.H2O3S2.5H2O/c;;1-5(2,3)4;;;;;/h;;(H2,1,2,3,4);5*1H2/q2*+1;;;;;;/p-2

InChI key

PODWXQQNRWNDGD-UHFFFAOYSA-L