Name | Specifications | Packing | Price | Delivery |
1-(2-Pyridylazo)-2-naphthol | 98% | 100g | RMB 638 | Consulting service |
1-(2-Pyridylazo)-2-naphthol | 98% | 25g | RMB 206.8 | Consulting service |
1-(2-Pyridylazo)-2-naphthol | 98% | 5g | RMB 74.8 | Consulting service |
98%:
外觀Appearance 橙色至紅棕色粉末
紅外光譜鑒別Infrared spectrometry 和對(duì)照品匹配
熔點(diǎn)Melting point 138°C - 143°C
純度Purity ≥98.0% (非水滴定)
醇溶性實(shí)驗(yàn)Solubility in Methanol 溶液透明
硫酸鹽灰分Sulfated ash <0.3 %
吸光度Absorbance ≥ 0.600(10mg/L, 甲醇, 463.0 - 467.0 nm)
靈敏性試驗(yàn)Sensitiveness 合格
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