一级标准物质-二级标准物质→【埃尔文】

一级标准物质
标准样品
质控品
计量院标准物质
环保部标准物质
农残标准物质
铁标准物质
冶金标样
土壤标准物质
中检院标准物质

4-Methylumbelliferyl Heptanoate

18319-92-1 500mg
2-Methyl-6-(trifluoromethyl)pyrimidin-4-ol

2836-44-4 50mg
7-Methylchroman-4-one

18385-69-8 50mg
4-Methylumbelliferyl 2-Trifluoroacetyl-3,4,6-O-triacetyl-2-deoxy-α-D-glucopyrano

137686-92-1 10mg
4-Methylumbelliferyl 2,3,4-Tri-O-benzoyl-β-D-galactopyranoside

920975-59-3 50mg
6-Methoxy-3-methyl-1H-indazole

7746-29-4 100mg
2-methyl-5,6-dihydro-1,4-oxathiine-3-carboxylic acid

6577-69-1 50mg
7-Methylquinazolin-4(3H)-one

75844-40-5 50mg
2-(methoxymethoxy)ethanimidamide hydrochloride

1797795-96-0 10mg
1-(methoxymethyl)cyclohexane-1-carbonitrile

425641-45-8 50mg

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