GJB 5404.11-2005 Analysis methods for trace elements in super alloys Part 11: Determination of tin content byeryllium hydroxide coprecipitation phenyl fluorone spectrophotometric method (English Version)
Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence
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GJB 5404.11-2005
Scope
WARNING—Personnel using this section should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and comply with the conditions stipulated by the relevant national laws and regulations. This part specifies the principle, reagents, instruments, analysis steps, result calculation and allowable difference for the determination of tin content in superalloys by beryllium hydroxide carrier precipitation-phenylfluorone spectrophotometry. This section applies to the determination of tin content in superalloys. Measuring range: 0.0001% to 0.020%.
GJB 5404.11-2005 Referenced Document
GB/T 222 Permissible tolerances for chemical composition of steel products*， 2006-02-05 Update
GJB 5404.11-2005 history
2005GJB 5404.11-2005 Analysis methods for trace elements in super alloys Part 11: Determination of tin content byeryllium hydroxide coprecipitation phenyl fluorone spectrophotometric method