When detecting hexavalent chromium, the product sample is detected by a special instrument for detecting hexavalent chromium in skin, or by a chemical instrument. When testing products, remove the attachments on the samples as cleanly as possible and cut the samples into small pieces suitable for cutting. Cut the sample into suitable particles with a cutting device, and then grind it with a grinder to obtain broken skin or skin powder. If there are enough samples, you can pre-grind a small number of samples to clean the related instruments, and then grind the test samples. Cutting devices, screens and collectors should be thoroughly cleaned after each use, but not with water. The ground samples should be fully mixed and stored in clean, dry and sealed containers, which should be far away from heat sources. This is a method to detect hexavalent chromium with chemical solvent. How to detect hexavalent chromium: In order to make leather products have better strength, handle, moisture resistance, thermal stability and elasticity, leather products will be tanned. The tanning agent used for tanning is trivalent chromium, and some trivalent chromium will remain on the product (surface or product). Under the conditions of high temperature, high humidity, light and high PH, trivalent chromium will react with hexavalent chromium. In the detection of hexavalent chromium, if it is found that the leather product is semi-finished or the finished product has hexavalent chromium exceeding the standard, the hexavalent chromium is treated with AKAOI50 hexavalent chromium treatment agent, and the hexavalent chromium is reduced to trivalent chromium, and the hexavalent chromium is permanently removed. If it is detected that the hexavalent chromium in leather exceeds the standard, it will be treated with hexavalent chromium treatment agent AO-C6R-N2, and it will be foamed. Aiming at the treatment of hexavalent chromium in leather.