This standard specifies the determination method of germanium in polyester resin for food Encasement and its molded products, using carbon tetrachloride extraction and phenylfluorenone complexation Spectrophotometric method, spectrophotometry. It is suitable for detecting the germanium content in food Encasement materials, with a detection limit of 0.020μg/ml to ensure the safety of the material and meet relevant hygiene requirements.
| Status | Active |
|---|---|
| CCS | C53 | ICS | 67.040 |
| Release Date | 2003-08-11 00:00:00 | Implementation Date | 2004-01-01 00:00:00 |