目錄:上海鉑勒機電設備有限公司>>HACH實驗室水質(zhì)分析儀>>哈希電極及其他耗材>> 2226995
For pH meter standardization. Each pillow prepares 50 mL of fresh buffer solution. Color-coded for easy identification. pH is ± 0.02 at 25°C. Pack of 15 Powder Pillows
Unit-dose powder pillows assure buffer freshness and eliminate the possibility of contamination.