Method for detecting various harmful substances in fast food packaging paper bags

• Main Authors: QU FANG, MA JIE, CHI JIAN, WU JIMEI, LIU LINLIN
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2017
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a method for detecting various harmful substances in fast food packaging paper bags. The method specifically includes following steps: step 1, cutting up a paper bag to be detected to obtain paper scraps; step 2, soaking the paper scraps obtained in the step 1 in soaking liqu...