硝酸钠

产品名称

硝酸钠, ACS reagent, ≥99.0%

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