Congo red paper
Molecular Formula:
Molecular Weight:
Alias:
剛果紅試紙
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
Congo red paper |
pH:3.0(藍(lán)紫色)~5.0(紅色) |
80條/盒 |
Inquiry |
Consulting service |
Congo red paper |
pH:3.0(藍(lán)紫色)~5.0(紅色) |
80條/盒,10盒/包 |
RMB 105.6 |
Consulting service |
Character:
系將濾紙浸入配制好的剛果紅溶液中,經(jīng)浸漬、干燥、切條而得,并附標(biāo)準(zhǔn)色階供對(duì)比用。遇無(wú)機(jī)酸呈藍(lán)色。
使用說(shuō)明: 1、 檢驗(yàn)溶液的性質(zhì):取一小塊試紙?jiān)诒砻婷蠡虿A?,用沾有待測(cè)液體的玻璃棒或膠頭滴管點(diǎn)于試紙的中部,觀察顏色的變化,判斷溶液的性質(zhì)。 2、 檢驗(yàn)氣體的性質(zhì):先用蒸餾水把試紙濕潤(rùn),粘在玻璃棒的一端,用玻璃棒把試紙靠近氣體,觀察顏色的變化,判斷氣體的性質(zhì)。
Storage:
密封干燥避光保存。
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