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After each extraction step, resulting extract was analysed by GCMS for remaining plasticizers. This was considered to be important for a reliable quantitative analysis. The analysis was performed by a Shimadzu GCMS-QP2025 with direct inlet and a DB5 column (30 m x 0.25 mm x 25 μm).

solvent extraction or Soxhlet conditions described above. AN70640_E 07/13S Application Note 336 Method Validation When developing extraction methods, one way to validate extraction efficiency is to re-extract the same sample and check for remaining analytes. The Dionex ASE system allows the analyst to automate re-extraction for easy method

Most supply chain practitioners would agree: between the pandemic, container shortages, winter weather, factory fires, the blocking of the Suez Canal by a container ship, and other logistics woes

In the study by Wang et al., the simple room temperature extraction using chloroform was found to be the most efficient method for extracting alternative plasticizers like DEHA [42]. Polymer dissolution is also a solid–liquid extraction procedure that may be used to extract alternative plasticizers from medical device samples. The whole

The apparatus described in FIG. 2 is utilized to extract plasticizer from composite separator electrodes containing plasticizer. As with the extraction described in Example 1, the decreased chamber pressure facilitates evaporation at a lower temperature than would be possible at normal atmospheric pressure.