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ICP-AES detection method for trace element content in lead concentrate

An ICP-AES, medium and trace element technology, which is applied in the field of physical and chemical inspection of mineral trace elements, can solve the problems of inaccurate results and few types of elements, and achieve accurate measurement results, large detection range and accurate measurement.

Inactive Publication Date: 2019-05-31
滕亚君
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to propose a kind of ICP-AES assay method of trace element content in the lead concentrate, mainly comprise copper, zinc, cadmium, tin, bismuth, iron, aluminum, manganese, titanium, nickel, chromium, cobalt element, It aims to solve the existing technical problems such as few elements to be determined and inaccurate results.

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  • ICP-AES detection method for trace element content in lead concentrate
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Embodiment

[0036] The present invention provides an ICP-AES method for determining the content of trace elements in lead concentrate. The specific implementation is as follows:

[0037] 1. Reagents and instruments:

[0038] (1) Reagent

[0039] The reagents and water used in this standard refer to analytical reagents and the tertiary water specified in GB / T 6682 unless other requirements are indicated.

[0040] 1.1 Hydrofluoric acid (ρ=1.14g / mL), excellent grade pure.

[0041] 1.2 Hydrochloric acid (ρ=1.19g / mL), excellent grade pure.

[0042] 1.3 Nitric acid (ρ=1.42g / mL), pure superior grade.

[0043] 1.4 Perchloric acid (ρ=1.67g / mL), excellent grade pure.

[0044] 1.5 Hydrochloric acid (1+1), pure superior grade (the hydrochloric acid (1+1) solution refers to the same volume of 36% hydrochloric acid solution mixed with pure water).

[0045] 1.6 Nitric acid (1+20) (Nitric acid (1+20) solution refers to a mixture of 1 volume of nitric acid solution and 20 volumes of pure water.)

[0046] 1.9 Sodium hydr...

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Abstract

The invention relates to an ICP-AES detection method for trace element content in a lead concentrate. The trace elements comprise copper, zinc, cadmium, tin, antimony, iron, aluminum, manganese, titanium, nickel, chromium and cobalt elements. The objective of the invention is to solve the problems that the detection of multiple metal elements in the lead concentrate is not accurate, specially themeasurement for the content of the trace metal elements is not accurate. The method comprises the steps of: preparing a sample solution; preparing a working curve standard solution of copper, zinc, cadmium, tin, antimony, iron, aluminum, manganese, titanium, nickel, chromium and cobalt, measuring the mass concentrations of the sample solution and a blank test solution; and calculating the contentof the copper, zinc, cadmium, tin, antimony, iron, aluminum, manganese, titanium, nickel, chromium and cobalt elements according to formulas. The measurement result is accurate, the detection range islarge, the content of multiple trace elements is accurately measured, and the ICP-AES detection method can be widely applied to official testing institutions or third-party detection.

Description

Technical field [0001] The invention belongs to the technical field of physical and chemical inspection of mineral trace elements, and mainly relates to the content of trace elements in lead concentrates, including copper, zinc, cadmium, tin, bismuth, iron, aluminum, manganese, titanium, nickel, chromium, and cobalt. ICP-AES measurement method. Background technique [0002] In recent years, with the continuous development of non-ferrous metal production technology, the detection requirements for copper, zinc, cadmium, tin, bismuth, iron, aluminum, manganese, titanium, nickel, chromium, and cobalt in non-ferrous metals have become higher and higher. In the process of determining the content of multiple metal elements in concentrates, it is often necessary to specifically choose the lead concentrate method to determine the sample according to the nature and content of the sample. When the nature and element content of the sample are not clear, it will be given. We bring troubles i...

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Application Information

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IPC IPC(8): G01N21/73
Inventor 滕亚君刘汗青李晨杨蕾龙云凤杨婷婷刘彬张国昌范云李秀林祁正友郭少飞王齐光
Owner 滕亚君
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