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Constant temperature and humidity tester test case selection The environment or the reliability test for each category, quantity, value and tolerance to environmental factors have strict requirements, and eliminate the environmental factors
NF-1 NF-2 Differential Sticking Tester NF-2 type of adhesion coefficient tester Overview The instrument is an analog of the test analysis equipment, mainly for the monitoring of deep drilling and borehole drilling fluid in the coefficient o
Tester for pesticide residues introduction 2 Instrument Structure There is 4 buttons for the instrument in all, function is as follows : Enter button : Operator ensure his operation step is right , press the button for next operation . Back
Tester for Pesticide residues introduction 1 Testing Principle After digestion to the sample , all metals (Arsenic, Lead, Mercury, Cadmium, Chromium) are into ionic form , heavy metal and dithizone solution can form purple solution in near-
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