"1" only heavy metal detection: about 5-10g for solids and 5-10mL for liquids;

"2" only tests for brominated flame retardants: about 10-20g for solids and 10-20mL for liquids;

"3" for heavy metal organic pollutant detection: provide about 20-30g samples;

"4" for other organic pollutants: provide about 30g samples;

"5" only detects the samples of the coating (coating) part, it is necessary to indicate the approximate weight of the material part of the coating (coating);

If the weight of the coating (coating) part does not meet the requirement of sample delivery, the coating (coating) raw materials shall be provided.