ET535560 | 總氮(N)試劑-HR,標(biāo)識:TN HYDROX.HR tubes,類型:消解管,包裝:50支 標(biāo)識:PERSULFATE Reagent,類型:粉劑,包裝:50袋 標(biāo)識:TN Reagent A,類型:粉劑,包裝:50袋 標(biāo)識:TN Reagent B,類型:粉劑,包裝:50袋 標(biāo)識:TN ACID LR/HR tubes,類型:反應(yīng)管,包裝:50支 標(biāo)識:Deionised Water,類型:水劑,包裝:100mL |