Sodium Chloride for analysis, ACS, ISO, BioChemica

Sodium Chloride for analysis, ACS, ISO, BioChemica
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO, BioChemica
Specification: Minimum assay (Arg.): 99.5%
pH of 5% solution: 5.0-8.0

?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Loss on drying at 105°C: 0.2%
Nitrogen compounds (as N): 0.001%
Bromide (Br): 0.005 %
Phosphate (PO4): 0.0005 %
Sulfate (SO4): 0.001%
Iodide (I): 0.001 %
Absorbance UV (1 cm cell; Ref.:Water):
ABS at 280 nm 1 M sol in water: 0,01
ABS at 260 nm 1 M sol in water: 0,01
Chlorate and nitrate (as NO3): 0.003%
Hexacyanoferrate(II) and (III) [Fe(CN)6]: 0.0001%
Heavy Metals (ICP-OES): 0.0005 %
As: 0,00004 %
Ba: 0,0005 %
Ca: 0,002 %
Cu: 0,0002 %
Fe: 0,0001 %
K: 0,005 %
Mg: 0,001 %
Ni: 0,0005 %
Pb: 0,0002 %