硝酸钠

InChI key

VWDWKYIASSYTQR-UHFFFAOYSA-N

InChI

1S/NO3.Na/c2-1(3)4;/q-1;+1

SMILES string

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

grade

ACS reagent

agency

suitable for EPA 1621, suitable for EPA 300

assay

≥99.0%

form

powder or crystals

impurities

≤0.005% insolubles

pH

5.5-8.3 (25 °C, 5%)

mp

306 °C (dec.) (lit.)

anion traces

chloride (Cl^-): ≤0.001%, iodate (IO₃^-): ≤5 ppm, nitrite (NO₂^-): ≤0.001%, phosphate (PO₄^3-): ≤5 ppm, sulfate (SO₄^2-): ≤0.003%

cation traces

Ca: ≤0.005%, Fe: ≤3 ppm, Mg: ≥0.002%, heavy metals: ≤5 ppm (by ICP)

application(s)

PFAS testing

Quality Level

200