Items Tested (檢測(cè)項(xiàng)目) |
Specification (規(guī)格標(biāo)準(zhǔn)) |
Characters (性狀) |
White, crystalline powder (白色結(jié)晶性粉末) |
Identification (鑒定) |
A.B.C: positive reactions A.B.C反應(yīng)需成陽(yáng)性 |
Assay (含量) |
99.0%~101.0% |
Melting Point (熔點(diǎn)) |
153~158℃ |
Acidity (酸度) |
Meet the specifications 符合規(guī)定要求 |
Chromatographic purity (色譜純度) |
Secondary spots≤0.5% 次要雜質(zhì)≤0.5% Sum≤1.0% 總雜質(zhì)≤1.0% |
Loss on Drying (干燥失重) |
≤1.0% |
Residual on Ignition (灼燒殘?jiān)?/font> |
≤0.15% |
Heavy Metal (重金屬) |
≤20ppm |