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4-METHYLCHRYSENE (purity) 标准品
GBW(E)060615 甲醇中伏马毒素B1(FB1)溶液,1000μg/mL
FRESH WATER (nitrate, low level) 标准品
Single 16 EPA-PAH Kit, isooctane-mix conc., See page 137 in the 2008 Catalogue
First Standard® 甲醇中萘乙酸溶液,100μg/mL
甲醇中杀虫环标准溶液
氟硅唑(符合:GB 2763-2016)
54325, Spiked milk powder (pesticides) 标准品
Phenamiphos Solution 100ug/ml in t-Butylmethyl ether
氮中氧和二氧化碳气体标准物质