Sodium Fluoride (Reag. USP) for analysis, ACS, ISO

Sodium Fluoride (Reag. USP) for analysis, ACS, ISO
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Minimum assay (Compl.): 99.0%

?maximum limit of impurities:
Acidity: 0.025 meq/g
Alkalinity: 0.01 meq/g
Insoluble matter in H2O: 0.005 %
Loss on drying at 150°C: 0.2%
Chloride (Cl): 0.002%
Phosphate (PO4): 0.001 %
Sulfate (SO4): 0.005%
Sulfite (SO3): 0.005%
Sodium fluorosilicate (NaSiF6): 0.1%
Heavy metals (as Pb): 0.001%
Cu: 0.0005 %
Fe: 0.002 %
K: 0.01 %
Ni: 0.003 %
Pb: 0.001 %