Assay >99.9% Water <0.02% Residue <0.0001%
UV: 205nm >10%; 210nm >50%; 225nm >80%; 240nm >95%; 265-400nm >99%
Acidity <0.0003 meq/g
Alkalinity <0.0002 meq/g
HPLC Gradient Use Test:
230nm <0.005 AU
254nm <0.005 AU
Conforms to ACS liquid chromatography suitability.
Pesticide Residue Analysis passes test
Fluorescence Spectroscopy passes test

Assay >99.9% Water <0.05% Residue <0.0001%
Group 1 & 2 elements typically <0.5 ppb
Group 3 to 12 (transition) elements typically <0.5 ppb
Group 13, 14, 15 elements typically <0.5-<50 ppb