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Congo red paper
Molecular Formula:
Molecular Weight:
Alias:
刚果红试纸
Product order:
Name
Specifications
Packing
Price
Delivery
Congo red paper
pH:3.0(蓝紫色)~5.0(红色)
80条/盒
Inquiry
Consulting service
Congo red paper
pH:3.0(蓝紫色)~5.0(红色)
80条/盒,10盒/包
RMB 105.6
Consulting service
Character:
系将滤纸浸入配制好的刚果红溶液中,经浸渍、干燥、切条而得,并附标准色阶供对比用。遇无机酸呈蓝色。
使用说明: 1、 检验溶液的性质:取一小块试纸在表面皿或玻璃片上,用沾有待测液体的玻璃棒或胶头滴管点于试纸的中部,观察颜色的变化,判断溶液的性质。 2、 检验气体的性质:先用蒸馏水把试纸湿润,粘在玻璃棒的一端,用玻璃棒把试纸靠近气体,观察颜色的变化,判断气体的性质。
Storage:
密封干燥避光保存。
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