Method for measuring contents of carbon and sulfur in chromium ores

Abstract

The invention relates to the technical field of ore detection, in particular to a method for measuring the contents of carbon and sulfur in chromium ores. The method comprises the following steps: S1,smashing a sample to be measured till the sample can pass through sieve pores of 100 meshes, and drying the sample; S2, weighing 0.05 to 0.5 weight part of the sample to be measured, putting the sample to be measured into a crucible which is burnt, and is laid with 0.38 to 0.42 weight part of a pure iron fluxing agent at the bottom, covering the surface of the sample to be measured with 1.1 to 1.3 weight parts of tungsten particles and 0.24 to 0.26 weight part of tin particles, and detecting the sample through a high-frequency infrared carbon-sulfur instrument, thereby obtaining the contentsof the carbon and the sulfur. The method for measuring the contents of the carbon and the sulfur in the chromium ores is easy to operate, high in detection speed and low in cost; the detection range is 0.1 to 15 percent; the accuracy and the precision can meet requirements for measurement of the contents of carbon and sulfur in imported and exported chromium ores; the method has the advantages ofshort detection period, accurate result and saving of reagent and personnel investment, can completely meet a requirement of the foreign trade for inspection, quarantine and quick detection, is relatively high in practicability, and can be widely popularized and applied.

Description

technical field [0001] The invention relates to the technical field of ore detection, in particular to a method for measuring the content of carbon and sulfur in chrome ore. Background technique [0002] Chromium ore, also known as chromite, is mainly used in the fields of metallurgical industry, chemical industry and refractory materials. Chromium ore is a resource that is in short supply in China, and the chrome ore used in my country mainly relies on imports. The content of sulfur in chrome ore is an important indicator of the quality of chrome ore. High sulfur content will directly lead to high sulfur content in downstream products, which will adversely affect product performance. At the same time, it will cause processing costs in downstream processing. Increased air and soil sulfur pollution will have long-term impacts on the environment, crops and human health. In September 2013, the General Office of the State Council issued the "Action Plan for Prevention and Contr...

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the deficiencies in the prior art, provide a kind of assay method of carbon, sulfur content in chrome ore, method is simple, preferably overcome only the sulfur content in chrome ore is measured in existing method, and the limitation of sulfur content The detection range is relatively narrow, and the technical problem that the accuracy of the detection cannot be guaranteed for samples higher than 0.5%, to achieve not only the determination and analysis of single elements, but also solve the technical problems of the determination of different levels of carbon and sulfur elements

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