Description
di-Sodium Hydrogen Phosphate anhydrous (Reag. USP, Ph. Eur.) for analysis, ACS, BioChemica
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, BioChemica
Specification: Minimum assay (Acidim.): 99.0%
pH of 5% solution: 8.7-9.3
?maximum limit of impurities:
Insoluble matter in H2O: 0.01 %
Loss on drying at 105°C: 0.2%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Absorbance UV (1 cm cell; Ref.:Water):
ABS at 280 nm 0,1 M sol in water: 0.05
ABS at 260 nm 0,1 M sol in water: 0.05
Pyrophosphate (P2O7): 0.2%
As: 0.00005 %
Heavy Metals (ICP-OES): 0.001 %
Fluoride: 0.001 %
Metals by ICP [in mg/Kg (ppm)]:
Al: 5
Au: 5
B: 5
Ba: 5
Be: 5
Ca: 10
Cd: 5
Co: 5
Cu: 5
Fe: 10
K: 100
Mg: 10
Mn: 5
Mo: 5
Ni: 5
Pb: 10
Pt: 5
Sb: 5
Se: 5
Si: 5
Sr: 5
Ti: 5
Zn: 5
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, BioChemica
Specification: Minimum assay (Acidim.): 99.0%
pH of 5% solution: 8.7-9.3
?maximum limit of impurities:
Insoluble matter in H2O: 0.01 %
Loss on drying at 105°C: 0.2%
Chloride (Cl): 0.001%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Absorbance UV (1 cm cell; Ref.:Water):
ABS at 280 nm 0,1 M sol in water: 0.05
ABS at 260 nm 0,1 M sol in water: 0.05
Pyrophosphate (P2O7): 0.2%
As: 0.00005 %
Heavy Metals (ICP-OES): 0.001 %
Fluoride: 0.001 %
Metals by ICP [in mg/Kg (ppm)]:
Al: 5
Au: 5
B: 5
Ba: 5
Be: 5
Ca: 10
Cd: 5
Co: 5
Cu: 5
Fe: 10
K: 100
Mg: 10
Mn: 5
Mo: 5
Ni: 5
Pb: 10
Pt: 5
Sb: 5
Se: 5
Si: 5
Sr: 5
Ti: 5
Zn: 5