Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations. This part of YS/T 807 specifies the method for determination of bismuth content in aluminum master alloys. This section applies to the determination of bismuth content in aluminum master alloys. The measurement range is 1.00%~11.00%.
YS/T 807.9-2012 history
2012YS/T 807.9-2012 Chemical analysis methods of aluminum hardeners.Part 9:Determination of bismuth content.Potassium iodide spectrophotometric method