产品规格︰ | Detail Specification: Description: Yellow crystal Powder Soluability: Soluble in hot Glacial Acetic Acid Melting Point: 178 - 181C Loss on Drying: <=0.5% Residue on Ignition: <=0.2% Inorganic salt: 0% Sulphated Ash: <=0.2% Heavy metal: <=20ppm Cl-: <=0.02% SO4: <=0.02% NO3-: 0% 5 Nitroso: 0% 5,7 Dinitro: <=0.5% Assay: 99% |
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