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Appearance Colorless to light yellow liquid Purity 70%min Chloride(Cl) 10ppm max Sulphate(SO4) 100ppm max Iron(Fe) 10ppm max Formaldehyde No detectable Formic acid No detectable Color(Gardner) 3 max Turbidity 4 max

Molecular Fomula: C2H4O3 Molecular Weight: M=76.05 Appearance Light yellow transparent liquid Content(C2H4O3) 70.0%min Chroma Gardner 3max Heavy metal 20PPMmax Chloride as Cl 3%max Iron 20PP Mmax

Appearance Colorless to light yellow liquid Purity 70%min Chloride(Cl) 10ppm max Sulphate(SO4) 100ppm max Iron(Fe) 5ppm max Plumbum(Pb) 1ppm max Chromium(Cr) 1ppm max

Appearance Colorless or white crystal Content(C2H4O3) 99.0%min Clarity experiment Pass Water Insoluble 0.01%max Residue on ignition 0.05%max Chroma（Hazen） 5max H2SO4 experiment(darkened Substances) Pass Chloride (Cl) 0.0005%max Sulfates ( SO4) 0.005%max