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
2'-Hydroxy-1'-acetonaphthone
574-19-6
500mg
1-Hydroxy-4-((5-acetyl-2-hydroxy)phenylmethyl)-2-naphthalenecarboxylic Acid
1797121-79-9
1g
4-(2-Hydroxyethyl)benzaldehyde
163164-47-4
5g
trans-4-Hydroxycyclohexylcarboxylic Acid
3685-26-5
1g
N-[[(6-Hydroxy-1-naphthalenyl)amino]thioxomethyl]-2-furancarboxamide
827001-82-1
10mg
Hup30
312747-21-0
2mg
(R)-(+)-1’-Hydroxy Carvedilol
5mg
(S)-(-)-3’-Hydroxyphenyl Carvedilol
10mg
(S)-(-)-8’Hydroxy Carvedilol
5mg
(R)-(+)-8’Hydroxy Carvedilol
5mg
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