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CUST. STD. 11 COMP.IN METHANOL 50 & 200μ G/ML, 1ML(MOQ 4 X 1ML) 标准品
Water Stdrds-Base Neutrals-Method 625-Neat Form
2,7-Dimethylnaphthalene 标准品
三唑酮溶液,100ppm
Volatiles Mixture #2 - Skinner List 2000ug/ml in Methanol:Water(90:10)
对三联苯
5-Hydantoinacetic acid (无证书)
4-n-Heptylbenzoic acid
WITHANOLIDE A(P) 标准品
2-Methyl-2-pentene