-
间甲基苯甲醛-DNPH溶液,100ppm
-
First Standard® 乙腈中甲基丙烯醛-DNPH溶液,3μg/mL
Methacrolein-DNPH Solution in Acetonitrile, 3μg/mLFirst Standard®天津
-
环己酮-DNPH标准品 BePure-21458
-
First Standard® 乙腈中14种醛酮DNPH混标溶液, 10μg/mL
14 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 10ppmFirst Standard®天津
-
First Standard® 乙腈中14种醛酮DNPH混标溶液,20 µg /ml
14 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 20μg/mLFirst Standard®天津
-
对甲苯甲醛-DNPH标准品 BePure-26094
-
氮中硫化氢<100ppm 氮中硫化氢<100ppm
-
氮中硫化氢>100ppm 氮中硫化氢>100ppm
-
First Standard® 乙腈中26种醛酮DNPH混标溶液-2,15 µg /ml
26 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 20μg/mLFirst Standard®天津
-
First Standard® 乙腈中25种醛酮DNPH混标溶液-2,15 µg /ml
25 Aldehyde/Ketone DNPH Mix Solution in Acetonitrile, 20μg/mLFirst Standard®天津
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