氯化鈷試紙100片(測水分)

SKU: S651
$35.00
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描述

主要用途:主要用于快速測定物品中的水份。因本試紙對水份的靈敏度高,幹燥時,呈藍色;吸收水份後,呈粉紅色;但該過程是可逆的,可將呈粉紅色的試紙,拆開包裝,直接置于100度的烘箱中幹燥,去掉水份後呈藍色(約1個小時),即可使用。氯化沽遇水會變粉紅,由于試紙靈敏度極高,故在平時存放中其顔色也會變粉紅,次反應爲可逆反應,所以在測試前請將試紙用吹風機吹幹或者放烘箱裏烘幹再使用。

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