1. ASTM E300-22《Standard Practice for Chemical Analysis of Industrial Chemicals》 2. ISO 760-1978《Determination of water-Karl Fischer method》 3. GB/T 601-2016《Chemical reagent-Preparations of standard volumetric solutions》 4. GB/T 6283-2008《Chemical products-Determination of water content-Karl Fischer method》 5. ASTM E682-92(2021)《Standard Practice for Gas Chromatography Terms and Relationships》