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There are no special requirements for the working environment of the precious metal testing instruments

Are there any special requirements for the working environment of the precious metal testing instruments? There are still some small demands. For example, some conditions such as temperature and humidity, etc., in order to prolong...

2021-02-06 1001 More >
The introduction of Oral History: a new exploration of the path of heritage conservation and restoration

At the end of 2016, a documentary "I was repairing cultural relics in the Imperial Palace" was all over the north and south of the river. In April 29, 2017, the film won the fiftieth Houston International Film Festival docum...

2021-01-28 1001 More >
International Copper Association: 30% of the global supply of copper comes from recycling

One of the biggest highlights of copper metal and other metals is that it is a few metals that can be recycled 100% repeatedly. Moreover, there is no loss and effect on the quality and performance performance of the copper after r...

2021-01-14 1001 More >
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 >

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There are no special requirements for the working environment of the precious metal testing instruments

The introduction of Oral History: a new exploration of the path of heritage conservation and restoration

International Copper Association: 30% of the global supply of copper comes from recycling

What is RoHS?

A special analyzer for halogen-free materials - ion chromatography

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