Shanghai paka xingye chemical co. LTD.

Scanning electron microscope


Scanning electron microscope (SEM) is an electron microscope that produces images of a sample by scanning the surface with a focused electron beam.


2019-10-12

High performance liquid chromatograph


High performance liquid chromatography is a chromatographic separation methods,


2019-10-12

Inductively coupled plasma mass spectrometer


Icp-ms, or inductively coupled plasma mass spectrometer, is an analytical instrument that combines ICP technology with mass spectrometry.


2019-10-12