Name | Specifications | Packing | Price | Delivery |
Quinine hydrochloride dihydrate | 99% | 5g | RMB 187 | 现货 |
Quinine hydrochloride dihydrate | 99% | 25g | RMB 627 | 现货 |
Quinine hydrochloride dihydrate | 99% | 100g | RMB 1936 | Consulting service |
Quinine hydrochloride dihydrate | 99%,用于荧光分析 | 5g | RMB 319 | 现货 |
Quinine hydrochloride dihydrate | 99%,用于荧光分析 | 25g | RMB 869 | 现货 |
−230±5°,c=2% in 0.1M HCl
99%,荧光分析专用:
外观Appearance 白色无定型或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0% (中和滴定)
硫酸盐灰分Sulfated ash <0.1 %
比旋度Specific rotation [a]20/D -−232±5°(c=2, 0.1 M HCl)
干燥损失Loss on drying ≤5 % (1 g, 105°C)
荧光波长fluorescence λex 347 nm; λem 448 nm in 0.5 M sulfuric acid
荧光试验分析suitability suitable for fluorescence
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