This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and content of the order form or contract for industrial silicon. This standard applies to industrial silicon produced by smelting carbonaceous reducing agents and silica in submerged arc furnaces, and is mainly used for the preparation of alloys, the preparation of polysilicon and the production of organic silicon.
GB/T 2881-2008 Referenced Document
GB/T 14849.1 Methods for chemical analysis of silicon metal—Part 1:Determination of iron content*, 2020-03-06 Update
GB/T 14849.10 Methods for chemical analysis of industrial silicon - Part 10: Determination of mercury content by atomic fluorescence spectrometry*, 2017-07-01 Update
GB/T 14849.11 Methods for chemical analysis of industrial silicon - Part 11: Determination of chromium content - Diphenylcarbazide spectrophotometric method*, 2017-07-01 Update
GB/T 14849.2 Methods for chemical analysis of silicon metal Part 2:Determination of aluminum content Chrome azurol S spectrophotometric method
GB/T 14849.3 Methods for chemical analysis of silicon metal—Part 3:Determination of calcium content*, 2020-03-06 Update
GB/T 14849.4 Methods for chemical analysis of silicon metal.Part 4:Determination of impurity contents.Inductively coupled plasma atomic emission spectrometric method*, 2014-12-05 Update
GB/T 14849.5 Methods for chemical analysis of silicon metal.Part 5:Determination of impurity contents.X-ray fluorescence method*, 2014-12-05 Update
GB/T 14849.6 Methods for chemical analysis of silicon metal.Part 6:Determination of carbon.Infrared absorption method*, 2014-12-05 Update
GB/T 14849.7 Methods for chemical analysis of silicon metal.Part 7:Detemination of phosphorus content.Phosphorus molybdenum blue spectrophotometry*, 2015-09-11 Update
GB/T 14849.8 Methods for chemical analysis of silicon metal.Part 8:Determination of copper content.Atomic absorption spectrometric method*, 2015-09-11 Update
GB/T 14849.9 Methods for chemical analysis of silicon metal.Part 9:Determination of titanium content.Diantipyryl methane spectrophotometry*, 2015-09-11 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values*, 2008-07-16 Update