Application materials 1. For heavy metals only: 5-10g for solids and 5-10mL for liquids; 2. Only testing of brominated flame retardants: about 10-20g for solid and 10-20mL for liquid; 3. Test for heavy metal organic pollutants: provide about 20-30g samples; 4. Test for other organic pollutants: provide about 30g sample; 5. Only test the sample of the coating (coating) part, and indicate the approximate weight of the material part of the coating (coating); if the weight of the coating (coating) part does not meet the requirements of the sample delivery amount, a coating ( Coating) raw materials.