This part of GB/T37363 specifies the method for the determination of polymacyl LN-(2-benzimidazolyl)-nitrocarboxylate in coatings by liquid chromatography and liquid chromatography-mass spectrometry/mass spectrometry, CAS number: 10605 -21-7] The principle of content. Reagents and materials. Equipment, samples, test steps, test data processing, detection limit, precision and test report. This section applies to the determination of carbendazim content in coatings. Determination of carbendazim content in coating films and raw materials for coatings can also refer to this part.