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Hunan Zhengxiang Equipment Co.,Ltd.
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Meat moisture meter
Pesticide residue detector
Residues of veterinary drugs detector
antibiotics residues detector
Food safety rapid analyzer
Food Safety Testing Box
Detection of food additives
Food safety rapid test kits
Food Safety Inspection Car
Multifunction Tester
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Hunan Zhengxiang Equipment Co.,Ltd
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Account:1901027219200044478
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库仑法水分测定仪出现的问题
库仑法水分测定仪出现的问题
问:
我现在用一台水分测定仪,使用有吡啶卡尔-费休试剂,现在这台仪器检测水分的结果偏高且不稳定,电解池内壁有液珠,干燥剂失效很快。请问熟悉这类仪器的老师:产生这种现象的原因会有哪些,如何解决呢?
答:
1、水分值偏高是不是你的电解池密封不好?最近像我们西安这属于高温高湿季节,最好去湿机、空调同时开着,这样有利于水分测试,夏天水分是不怎么好测,而且测定值偏大!你看一下你的仪器对温度湿度有没有要求,最好在要求范围之内。
2、检查一下仪器的气密性,或用CCL4清洗一次,再装上试试看。
3、如果密封条件很好的话,一般环境湿度影响不大,但是滴定池不是完全密封的,还是应该控制一下湿度。
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Add:1003, Xianxujiayuan, Huojucheng,Hexi New District, Changsha City,Hunan Province, China Contact us:Miss Lin(13507403779) Mr.Lin(13859710239)