特点:
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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)
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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
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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
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经0.1 μm膜过滤,不增加溶剂产生的背压
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极高的批次重现性
grade LC-MS Ultra CHROMASOLV®
shelf life (limited shelf life, expiry date on the label)
total impurities ≤0.0001% non volatile impurities
≤1 ppm fluorescence (as quinine) at 254 nm
≤1 ppm fluorescence (as quinine) at 365 nm
≤20 ppb UHPLC-MS (q-TOF)(Digoxin, ESI(-))
≤5 ppb UHPLC-MS (q-TOF)(Reserpin, ESI(+))
transmittance 200 nm, ≥95%
230 nm, ≥99%
refractive index n20/D 1.34(lit.)
bp 100 °C(lit.)
density 1.000 g/mL at 3.98 °C(lit.)
anion traces chloride (Cl-): ≤0.01 mg/kg
fluoride (F-): ≤0.01 mg/kg
nitrate (NO3-): ≤0.1 mg/kg
sulfate (SO42-): ≤0.1 mg/kg
cation traces Al: ≤0.5 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.1 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.1 mg/kg
K: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Na: ≤0.1 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤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 UHPLC-MS