Beschreibung
Oxalic Acid 2-hydrate (Reag. USP, Ph. Eur.) for analysis, ACS, ISO
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Assay (Perm.): 99.5-102.5%
Identity: IR passes test
?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Darkened substances by H2SO4: passes test
Residue on ignition (as SO4): 0.01 %
Chloride (Cl): 0.0005%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Heavy Metals (ICP-OES): 0.0005 %
Metals by ICP [in mg/Kg (ppm)]:
Ag: 2
Al: 2
Au: 2
B: 2
Ba: 15
Be: 2
Bi: 5
Ca: 10
Cd: 2
Co: 2
Cr: 2
Cu: 5
Fe: 2
Ga: 2
Ge: 2
In: 2
K: 50
Mg: 10
Mn: 2
Mo: 2
Na: 50
Ni: 5
Pb: 5
Sb: 2
Si: 5
Sr: 2
Ti: 2
Tl: 2
V: 2
Zn: 2
Zr: 2
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Assay (Perm.): 99.5-102.5%
Identity: IR passes test
?maximum limit of impurities:
Insoluble matter in H2O: 0.005 %
Darkened substances by H2SO4: passes test
Residue on ignition (as SO4): 0.01 %
Chloride (Cl): 0.0005%
Nitrogen compounds (as N): 0.001%
Sulfate (SO4): 0.005%
Heavy Metals (ICP-OES): 0.0005 %
Metals by ICP [in mg/Kg (ppm)]:
Ag: 2
Al: 2
Au: 2
B: 2
Ba: 15
Be: 2
Bi: 5
Ca: 10
Cd: 2
Co: 2
Cr: 2
Cu: 5
Fe: 2
Ga: 2
Ge: 2
In: 2
K: 50
Mg: 10
Mn: 2
Mo: 2
Na: 50
Ni: 5
Pb: 5
Sb: 2
Si: 5
Sr: 2
Ti: 2
Tl: 2
V: 2
Zn: 2
Zr: 2