Technical Articles
NANBEI Is Professional On Providing One-step Solution Of Laboratory Instruments And Equipment
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-...