Citric Acid 1-hydrate (Reag. USP) for analysis, ACS, ISO

Citric Acid 1-hydrate (Reag. USP) for analysis, ACS, ISO
Content: 25 KGM
Physical Description:
solid
Quality Name: for analysis, ACS, ISO
Specification: Assay (Acidim.): 99.5-102.0%
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): 0.02 %
Chloride (Cl): 0.0005%
Sulfur compounds (as SO4): 0.002 %
Phosphate (PO4): 0.001 %
Oxalate (C2O4): 0.05%
As: 0.00001%
Heavy metals (as Pb): 0.0005%

Metals by ICP [in mg/Kg (ppm)]:
Al: 2
Au: 2
B: 2
Ba: 2
Be: 2
Ca: 20
Cd: 2
Co: 2
Cr: 2
Cu: 0.5
Fe: 3
Ge: 2
In: 2
K: 50
Mg: 5
Mn: 2
Mo: 2
Na: 50
Ni: 2
Pb: 2
Pt: 2
Sb: 2
Si: 10
Sn: 5
Sr: 2
Ti: 2
Tl: 2
V: 2
Zn: 2
Zr: 2