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What is RoHS?

Metal material needs to test four kinds of harmful metal elements such as (Cd cadmium /Pb lead /Hg mercury /Cr6+ six valence chromium) In addition to checking these four harmful heavy metal elements, the plastic material needs ...

2021-01-11 1001 More >
A special analyzer for halogen-free materials - ion chromatography

一、Principle: By applying the principle of ion exchange, high efficiency Dow Chemical patented ion exchange resin, with the pump constant flow of solvent (eluent) of the pump, the conductance of high sensitivity, e...

2021-01-09 1001 More >