货号 CAEQ-4-000308-4000
名称 乙腈
规格 4L
CAS号 [75-05-8]
分子式 C2H3N
分子量 41.05
有效期(月数) 36
储存条件 存放于惰性气体之中,避免湿气
级别 LC-MS
浓度/纯度 ≥99.9%
Guarantee analysis
Assay (by GC) ≥ 99.9 %
Identification passes test
Density at 20/4 0.779~0.783
Colour(APHA) ≤10 APHA
Water (KF) ≤0.01%
Acidity ≤0.0002 meq/g
Alkalinity ≤0.0002 meq/g
Evaporation residue ≤ 0.0001 %
Al ≤0.1 mg/L Ca ≤ 0.05mg/L
Fe ≤ 0.05mg/L K ≤ 0.05mg/L
Mg ≤ 0.05mg/L Na ≤0.05mg/L
Gradient grade ( at 210 nm) ≤ 0.4mAU
Gradient grade ( at 254 nm ) ≤ 0.1mAU
Fluorecence(as quinine at 254 nm) ≤ 1.0 ng/mL
Fluorecence(as quinine at 365 nm) ≤ 0.5 ng/mL
Transmission ( at 190nm ) ≥ 27.5%
Transmission ( at 193nm ) ≥ 68%
Transmission ( at 195nm ) ≥ 85 %
Transmission ( at 200nm ) ≥ 96.5%
Transmission ( at 215nm ) ≥ 97 %
Transmission ( at 220nm ) ≥ 98%
Transmission ( 230nm-400nm ) ≥ 99 %
Suitability for UPLC/LC-MS analysis ESI+ (as Reserpine) ≤50 ppb
Microfiltered product(0.2um)and bottled under nitrogen atmosphere