-
1,2-二溴乙烷标准溶液,106-93-4,analytical standard,100mg/L in methanol
-
沙仑太尔 Witega-BI070 -100mg
-
莱伯帕兹EZsep NA2SO4/Carb/PSA 4g/20mg/100mg/6mL 30/pkgSPE 固相萃取柱
-
莱伯帕兹EZsep Na2SO4/PSA/FL 500mg/100mg/300mg/6mL 30/pkgSPE 固相萃取柱
-
二氧化硅标准溶液,7631-86-9,analytical standard,100mg/L in 0.05%Na2CO3
-
化学需氧量(CODCr)测定仪检定用标准溶液,100mg/L in 0.05mol/L H2SO4
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NCS169029-100-A 六氯苯,100mg/L于甲醇
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NCS169039-100 屈,100mg/L于乙腈
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NCS169030-100-E δ-六六六,100mg/L于正己烷
-
NCS169033-100-A 反-氯丹(γ),100mg/L于甲醇
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