Method for analyzing content of gold element by employing fire assaying
A technology of gold element and fire test gold, which is applied in the direction of weighing by removing certain components, can solve the problems of inaccurate analysis of ingredients, uneven lead buttons, poor reproducibility, etc., and achieve good reproducibility of results, The effect of high efficiency and low standard deviation
Inactive Publication Date: 2019-06-21
嵩县金牛有限责任公司
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Problems solved by technology
The content analysis method of gold element in other gold-containing materials is also very inaccurate
In this way, the lead buckle of the original method is not smooth, it is easy to cause the loss of gold, and the reproducibility is poor.
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[0073] Table 1: Analysis example of gold concentrate powder
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[0075] Table 2: Examples of Activated Carbon Analysis
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[0077] Table 3: Examples of analysis of other gold-bearing materials
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[0081] Through the comparison of the above three examples, it can be concluded that the relative standard deviation of this method is lower than that of the original method, and the result is relatively stable, which is completely suitable for the application of the gold industry and has high use value.
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Abstract
A method for analyzing a content of a gold element by employing fire assaying relates to the field of chemical analysis. Through the following steps of determining a sample size, mixing materials, melting a sample and cupelling, separating gold and obtaining results by calculation, and the like, analysis results of gold elements in materials with different properties are more accurate, a relativestandard deviation is lower, the results are good in reproducibility and are more accurate, and the method can be carried out in batches during analysis, is high in efficiency, and is suitable for a wide range of popularization and applications.
Description
technical field [0001] The invention relates to the field of chemical analysis, in particular to a method for analyzing gold element content by means of a fire assay. Background technique [0002] It is known that in the original fire assay method for gold element analysis, there are many problems in the batching method and the weighing quality of the sample. One is that when batching, too much silicon dioxide is added, and the fluidity of the slag is poor. It makes it difficult to completely separate the lead button and the slag. Second, for some high-sulfur samples, the volume of the entire slag is too small. Even if the silicic acidity is well controlled, the slag will appear sticky. For example, when analyzing the gold content in gold-loaded carbon, the batching method has certain defects, and the sample weight is 2.0000 grams, and the result has not been very stable. The content analysis method of gold element in other gold-containing materials is also very imprecise. ...
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IPC IPC(8): G01N5/04
Inventor 贾永祥乔小虎陈长力程雪敏焦举常波涛赵凯
Owner 嵩县金牛有限责任公司