-
N,N,N′,N′-四甲基对苯二胺,100-22-1,99%
-
C7 - C30 饱和烷烃,certified reference material, 1000 μg/mL each component in hexane
-
First Standard® 甲醇中N-亚硝基二环己基胺溶液, 100μg/mL
N-Nitrosodicyclonexylamine Solution in Methanol, 100μg/mLFirst Standard®天津
-
三甲基铝,75-24-1,2.0 M in n-hexane
-
First Standard® 正己烷中腐霉利溶液,100μg/mL
-
First Standard® 正己烷中伏杀硫磷溶液, 100μg/mL
-
First Standard® 正己烷中苄螨醚溶液,100μg/mL
-
First Standard® 正己烷中三唑磷溶液,100μg/mL
-
First Standard® 正己烷中氧氯丹溶液, 100μg/mL
-
First Standard® 正己烷中异菌脲溶液,100μg/mL
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