Name | Specifications | Packing | Price | Delivery |
Quinine hydrochloride dihydrate | 99% | 5g | RMB 187 | 現(xiàn)貨 |
Quinine hydrochloride dihydrate | 99% | 25g | RMB 627 | 現(xiàn)貨 |
Quinine hydrochloride dihydrate | 99% | 100g | RMB 1936 | Consulting service |
Quinine hydrochloride dihydrate | 99%,用于熒光分析 | 5g | RMB 319 | 現(xiàn)貨 |
Quinine hydrochloride dihydrate | 99%,用于熒光分析 | 25g | RMB 869 | 現(xiàn)貨 |
?230±5°,c=2% in 0.1M HCl
99%,熒光分析專用:
外觀Appearance 白色無定型或結(jié)晶粉末
紅外光譜鑒別Infrared spectrometry 和對照品匹配
純度Purity ≥99.0% (中和滴定)
硫酸鹽灰分Sulfated ash <0.1 %
比旋度Specific rotation [a]20/D -?232±5°(c=2, 0.1 M HCl)
干燥損失Loss on drying ≤5 % (1 g, 105°C)
熒光波長fluorescence λex 347 nm; λem 448 nm in 0.5 M sulfuric acid
熒光試驗分析suitability suitable for fluorescence
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