CAS NO:108-55-4 Item Index Test method
Appearance needle-like crystal eyeballing
Assay % 99 GB/T512
Melting point 95-98 C Auto Melting point device
Residue on ignition 500ppm GB/T511
Water insoluble matter 50ppm GB/T268
Moisture% 0.2 GB/T260
Clarity of solution# 50 50%Aq. solution Pt-Co
Appearance needle-like crystal eyeballing
Assay % 99 GB/T512
Melting point 95-98 C Auto Melting point device
Residue on ignition 500ppm GB/T511
Water insoluble matter 50ppm GB/T268
Moisture% 0.2 GB/T260
Clarity of solution# 50 50%Aq. solution Pt-Co