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
Isoacetovanillone (1.0 mg/mL in Methanol)
6100-74-9
2-(Perfluorohexyl)ethane-1-sulfonic Acid Sodium Salt -13C2 (50μg/mL in Methanol)
Perfluorodecanesulfonic Acid (50μg/mL in Methanol)
335-77-3
Perfluorooctylsulfonic Acid-13C8 (50μg/mL in Methanol)
2265893-05-6
Perfluorohexanesulfonic Acid (50μg/mL in Methanol) (Technical Grade)
355-46-4
Perfluorotetradecanoic Acid (50μg/mL in Methanol)
376-06-7
Perfluoro-n-[1,2-13C2]undecanoic Acid (50μg/mL in Methanol)
960315-51-9
Perfluorooctanoic Acid (50μg/mL in Methanol)
335-67-1
13C2-PFHxA (50μg/mL in Methanol)
960315-47-3
Heptafluorobutyric Acid (50ug/mL)
375-22-4
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