511750BT/511751BT/511752BT德國羅威邦酸度pH酚紅試劑
511750BT 酚紅試劑 量程6.8 - 8.4 pH
ET511750
定制酸度【pH】試劑,標(biāo)識:PHENOLRED TABLETS,類型:片劑,包裝:100片
ET511751
定制酸度【pH】試劑,標(biāo)識:PHENOLRED TABLETS,類型:片劑,包裝:250片
ET511752
定制酸度【pH】試劑,標(biāo)識:PHENOLRED TABLETS,類型:片劑,包裝:500片