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>> 1406053
Polypropylene flask and screw cap. Durable with excellent chemical resistance, with the same accuracy as glass. Permanent color graduation line with marking spot. Calibrated “to contain/deliver” at 20°C. The 200/203 capacity flask has dual marks useful in DO determination via Winkler Titration.