| 备注: |
Item Index 含量(以C6H6N2O干燥品计)Content(Count with dry C6H6N2O) 99.5%99.5% 熔点Melting point 234-238℃234-238℃ 氯化物(以CL计)Chloride(CL) ≤0.02%≤0.02% 硫酸盐(以SO4)Sulfate(以SO4) ≤0.02%≤0.02% 干燥残失重loss on drying ≤0.5%≤0.5% 炽灼残渣Residue on ignition ≤0.1%≤0.1% 重金属(以pb计)Heavy metals(as pb) ≤0.002%≤0.002% |