LC-MS溶剂
UHPLC-MS乙腈(货号:14261-1L)
品牌 | 厂商性质 | 产地 | 货期 |
---|---|---|---|
暂无 | 暂无 | 暂无 | 现货 |
产品介绍
特点:
-
通过更严格的UHPLC测试,极低的背景基线和杂质干扰(如邻苯二甲酸酯和聚乙二醇等) -
通过UHPLC-MS TOF正离子和负离子模式测试,在模式切换时不会产生剧烈的基线漂移 -
包装于白色硅硼酸盐玻璃瓶中,有效避免碱金属加合物的生成 -
经0.1 μm膜过滤,不增加溶剂产生的背压 -
极高的批次重现性
grade | LC-MS Ultra CHROMASOLV® |
vapor density | 1.41 (vs air) |
vapor pressure | 72.8 mmHg ( 20 °C) |
assay | ≥99.9% (GC) |
autoignition temp. | 973 °F |
quality | tested for UHPLC-MS |
shelf life | (limited shelf life, expiry date on the label) |
expl. lim. | 16 % |
total impurities | ≤0.0001% free alkali (as NH3) |
| ≤0.0001% non-volatile |
| ≤0.001% free acid (as CH3COOH) |
| ≤0.01% water |
| ≤0.3 ppb fluorescence (as quinine) at 254 nm |
| ≤0.3 ppb fluorescence (as quinine) at 365 nm |
transmittance | 191 nm, ≥30% |
| 195 nm, ≥85% |
| 200 nm, ≥97% |
| 215 nm, ≥98% |
| ≥230 nm, ≥99% |
refractive index | n |
bp | 81-82 °C(lit.) |
mp | −48 °C(lit.) |
density | 0.786 g/mL at 25 °C(lit.) |
cation traces | Al: ≤0.02 mg/kg |
| Ca: ≤0.05 mg/kg |
| Fe: ≤0.02 mg/kg |
| K: ≤0.05 mg/kg |
| Mg: ≤0.02 mg/kg |
| Na: ≤0.1 mg/kg |
abs. | UHPLC-gradient |
| UHPLC-gradient |
| UHPLC-gradient |
| UHPLC-gradient |
suitability | passes test for suitability for UHPLC-MS |
grade LC-MS Ultra CHROMASOLV®
vapor density 1.41 (vs air)
vapor pressure 72.8 mmHg ( 20 °C)
assay ≥99.9% (GC)
autoignition temp. 973 °F
quality tested for UHPLC-MS
shelf life (limited shelf life, expiry date on the label)
expl. lim. 16 %
total impurities ≤0.0001% free alkali (as NH3)
≤0.0001% non-volatile
≤0.001% free acid (as CH3COOH)
≤0.01% water
≤0.3 ppb fluorescence (as quinine) at 254 nm
≤0.3 ppb fluorescence (as quinine) at 365 nm
transmittance 191 nm, ≥30%
195 nm, ≥85%
200 nm, ≥97%
215 nm, ≥98%
≥230 nm, ≥99%
refractive index n20/D 1.344(lit.)
bp 81-82 °C(lit.)
mp −48 °C(lit.)
density 0.786 g/mL at 25 °C(lit.)
cation traces Al: ≤0.02 mg/kg
Ca: ≤0.05 mg/kg
Fe: ≤0.02 mg/kg
K: ≤0.05 mg/kg
Mg: ≤0.02 mg/kg
Na: ≤0.1 mg/kg
abs. UHPLC-gradient/210 nm ≤2 mAU (peak)
UHPLC-gradient/210 nm ≤8 mAU (drift)
UHPLC-gradient/254 nm ≤0.6 mAU (peak)
UHPLC-gradient/254 nm ≤3 mAU (drift)
suitability passes test for suitability for UHPLC-MS
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注:该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案,不可用于临床诊断或治疗等相关用途