SN/T 1504.5-2017 Plastic raw materials for food containers and packaging Part 5: Determination of impurity element content in polyolefins by X-ray fluorescence spectrometry (English Version)
2017SN/T 1504.5-2017 Plastic raw materials for food containers and packaging Part 5: Determination of impurity element content in polyolefins by X-ray fluorescence spectrometry
2005SN/T 1504.5-2005 Plastics used for food container and package - Part 5: Determination of elemental content in polyolefins - X ray fluorescence spectrometry