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2.3.4-Trichloroanaline (无证书)
氟乐灵 BePure-26337YB
水中铝标准溶液(5%硝酸,0.4%盐酸)
2.6.7-Trihydroxy-9-phenylisoxanthene-3-one (无证书)
三唑酮农药纯度标准物质 中国计量院
English Hawthorn (Crataegus laevigata) Leaves VBRM 标准品
38种农残混标 BePure-31201MA-m
Fumaric-2,3-d2 Acid 标准品
PFBOA iso-valeraldoxime (syn), 100μg/ml in n-hexane
4-Methyl-2-pentanone Solution 100ug/ml in Methanol:Water (90:10)