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QUARTZ (particle size 480 - 1800 microns) 标准品
Pesticides Mixture #1 - 507 1000ug/ml in t-Butylmethyl ether
正已烷中高效氯氟氰菊酯溶液标准物质
1.2.4-Trichlorobenzene Solution 100ug/ml in Methanol
MGK 264 标准品
Clarithromycin-13C-d3 标准品
磺胺邻二甲氧嘧啶-同位素 BePure-25672XM
Methyl chloroacetate Solution 100ug/ml in t-Butylmethyl ether
GPC标样-聚二甲基硅氧烷(Mw 359700)(高Mw) 标准品
4',6-Difluoro-2,2',3,3',4,5,5',6'-octabromodiphenyl ether