T/SATA 030-2022 The determination of sulfur ethers and pyrazine compounds in water using headspace solid-phase microextraction/gas chromatography-mass spectrometry

Scope

Main technical content: This document specifies the headspace solid-phase microextraction-gas chromatography-mass spectrometry method for simultaneously determining dimethyl disulfide, dimethyl trisulfide, pyrazine, 2,6-dimethylpyrazine, 2-ethyl-5-methylpyrazine, and tetramethylpyrazine in water. This document is applicable to the determination of dimethyl disulfide, dimethyl trisulfide, pyrazine, 2,6-dimethylpyrazine, 2-ethyl-5-methylpyrazine, and tetramethylpyrazine in surface water and drinking water. After enriching the water samples with an automatic solid-phase microextraction device, the detection limits of each compound are 4.32 ng/L to 485 ng/L when the sample volume is 10.0 mL, and the determination limits are 17.3 ng/L to 1.94×103 ng/L.

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