甲醇

质谱级LC-MS
纯度Purity(GC)≥99.9%
红外光谱Identity(IR)Conforms（合格）
蒸发残渣Residue on evaporating≤1mg/L
水分Water≤100ppm
酸度Acidity≤0.0002meq/g
碱度Alkalinity≤0.0002meq/g
透过率Transmission

-at 225nm≥50%

-at 240nm ≥80%

-from 265nm≥98%

Gradient Elution Test梯度洗脱测试Passes Test

LC/MS SuitabilityLC/MS适用性Passes Test

Trace Metal, in ppb

Aluminum(Al)＜50

Calcium(Ca)＜50

Iron(Fe)＜50

Magnesium(Mg)＜50

Potassium(K)＜50

Sodium(Na)＜50