目錄:上海鉑勒機電設備有限公司>>水質分析儀器>>其他水質分析儀及配件>> 2769920
For pH meter standardization. Sealed foil pouches of pH standardization buffers. pH is ± 0.02 at 25°C
Sealed pouches are easy to transport - no chance of spillage.
Just open the pouch and insert the electrode.
Foil pouches prevent contamination and air exposure.