Compared the application of self-built water bath reflux device and integrated array water bath reflux device in determination of saponification of vitamin A in feed, both devices can meet detection requirements. But the integrated array water bath reflux inst【More】

Weigh 0.2g (precisely 0.1mg) sample into a 50ml PTFE digestion tube, add 5ml hydrochloric acid, heat digestion at 150℃ for 30min on a graphite digestion instrument in a fume hood, add 5ml nitric acid, continue heating digestion at 150℃ for 30min , Add 4ml of h【More】

The detection of soil drug residues and organic matter is an important part of food detection. Among all the procedures, sample concentration is a very important part.【More】

In April 2020, Aowei Instruments Green Laboratory series products (solvent safety bottle caps, intubation type waste collection, funnel type waste collection) received good sales reports one after another. Among them, a teacher from a laboratory in Sichuan fou【More】

The classification and collection of waste liquid in the disposal of hazardous waste in the laboratory is a very important part of the daily work of the laboratory. According to the "National Hazardous Waste List", the treatment of laboratory waste is based on【More】

Which is more reliable and safer for laboratory inorganic waste liquid collection devices? We know that in inorganic chemistry experiments, acids, alkalis, heavy metals and other toxic and harmful substances are often used, and most of them will produce waste 【More】