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甲醇


質(zhì)譜級(jí)LC-MS
純度Purity(GC)≥99.9%
紅外光譜Identity(IR)Conforms(合格)
蒸發(fā)殘?jiān)?/span>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(cè)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