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水流动相GPC标样-羟乙基淀粉
trans-Diethyl Stilbestrol,
Dimethachlor 标准品
碱性紫 3 (C.I.42555)
Method 525 - Mix 5 - Toxaphene 标准品
解草腈
n-Nonyl环己烷
Wavecal Solution
12种农残混标
3,5-Dichlorobenzoic acid Solution 100ug/ml in Acetonitrile
N-亚硝基二乙胺溶液, 100ppm