Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM E396-17
Năm ban hành 2017
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Test Methods for Chemical Analysis of Cadmium
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 13
Giá:
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Phạm vi áp dụng
Scope of standard 1.1 These test methods cover the chemical analysis of cadmium having chemical compositions with the following limits: Element Composition, max, % Antimony 0.001 Arsenic 0.003 Copper 0.015 Lead 0.025 Silver 0.010 Thallium 0.003 Tin 0.010 Zinc 0.035 1.2 The test methods appear in the following order: Sections Antimony by the Rhodamine B Spectrophotometric Method [0.0002 % to 0.0010 %] 62 - 72 Arsenic by the Molybdenum Blue Spectrophotometric Method [0.001 % to 0.005 %] 40 - 50 Copper by the Neocuproine Spectrophotometric Method [0.002 % to 0.030 %] 10 - 19 Copper, Lead, Silver, and Zinc by the Atomic Absorption Spectrometry Method [0.004 % to 0.02 % Cu, 0.01 % to 0.05 % Pb, 0.004 % to 0.02 % Ag, and 0.01 % to 0.05 % Zn] 51 - 61 Lead by the Dithizone Spectrophotometric Method [0.001 % to 0.05 %] 20 - 29 Thallium by the Rhodamine B Spectrophotometric Method [0.0003 % to 0.005 %] 30 - 39 Tin by the 8-Quinolinol Spectrophotometric Method [0.0025 % to 0.0150 %] 73 - 82 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary information is given in Section 6, , , and . 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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