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甲醇

質(zhì)譜級LC-MS
純度Purity(GC)≥99.9%
紅外光譜Identity(IR)Conforms（合格）
蒸發(fā)殘渣Residue on evaporating≤1mg/L
水分Water≤100ppm
酸度Acidity≤0.0002meq/g
堿度Alkalinity≤0.0002meq/g
透過率Transmission

-at 225nm≥50%

-at 240nm ≥80%

-from 265nm≥98%

Gradient Elution Test梯度洗脫測試Passes Test

LC/MS SuitabilityLC/MS適用性Passes Test

Trace Metal, in ppb

Aluminum(Al)＜50

Calcium(Ca)＜50

Iron(Fe)＜50

Magnesium(Mg)＜50

Potassium(K)＜50

Sodium(Na)＜50