Posted in: instrument

“Redemption” of the injection needle (graphic method)

“Redemption” of the injection needle (graphic method) Author:sunset Recently, when overhauling a Z-2000 type primary suction, it was found that the graphite furnace of the instrument was detecting lead in human blood. Due to the long-term inhalation of the human blood sample by the injection needle of the autosampler, the inner wall of the injection […]

Posted in: instrument

The common sense of chemistry in life

The common sense of chemistry in life Speaking of life, of course, can not do without eating and drinking.   How to eat healthy and delicious, this is an eternal topic. It is worth noting that this topic is closely related to chemical knowledge. For example, eating more alkaline foods can keep the blood weakly alkaline, […]