Sigma-Aldrich Sodium Chloride Granulated F 1 kg

grade

ACS reagent

Quality Level

300

agency

ACS reagent
reag. ISO
ISO
reag. pH. Eur.

product line

EMSURE^®

assay

≥99.5 % (Argentometric)
99.0 -100.5% (Argentometric, calculated on dried substance)

form

granular

impurities

≤ 0.005% Calcium, Magnesium and R2O3-precipitate: ≤ 0.005%
≤0.005% Insoluble matter

loss

≤0.5% loss on drying, 105 °C, 2 H

pH

( 5.0-8.0 in water, 5%)

mp

801 °C (lit)

solubility

317 g/L at 20 °C (Completely soluble)

bulk density

2.16 g/cm³ (25°C)

anion traces

hexacyanoferrate(III) ([Fe(CN)₆]^3-): ≤0.0001%
iodide (I^-): ≤0.001%
iodide (I^-): (Passes test)
nitrite (NO₂^-): (Passes test)
phosphate (PO₄^3-): ≤ 0.0005%
sulfate (SO₄^2-): ≤0.001%
(Ferrocyanides: passes test)
(chlorate and nitrate (as NO3-) <= 0.003%)

cation traces

As: ≤0.00004%
Ba: ≤0.001% (passes test)
Ca: ≤ 0.002%
Cu: ≤0.0002%
Fe: ≤ 0.0001%
K: ≤0.005%
mg: ≤0.001%
N: ≤0.0005%
heavy metals: ≤0.0005% (ACS)
heavy metals (as Pb): ≤0.0005%
≤ 0.0100% (Magnesium and alkaline-earth metals (as Ca))
≤0.005% (Br)

storage temp.

2-30°C