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GB/T 37883-2019: Determination of chromium, cadmium, lead and arsenic in water treatment chemicals - Inductively coupled plasma atomic emission spectrometry
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Determination of chromium, cadmium, lead and arsenic in water treatment chemicals - Inductively coupled plasma atomic emission spectrometry
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GB/T 37883-2019
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Basic data | Standard ID | GB/T 37883-2019 (GB/T37883-2019) | | Description (Translated English) | Determination of chromium, cadmium, lead and arsenic in water treatment chemicals - Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G76 | | Classification of International Standard | 71.040.40 | | Word Count Estimation | 10,126 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37883-2019: Determination of chromium, cadmium, lead and arsenic in water treatment chemicals - Inductively coupled plasma atomic emission spectrometry
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Determination of chromium, cadmium, lead and arsenic in water treatment chemicals - Inductively coupled plasma atomic emission spectrometry
ICS 71.040.40
G76
National Standards of People's Republic of China
Determination of chromium, cadmium, lead and arsenic in water treatment agents
Inductively coupled plasma optical emission spectroscopy (ICP-OES)
Published on.2019-08-30
2020-07-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Chemical Standardization Technical Committee (SAC/TC63).
This standard was drafted. Jiashan Luye Environmental Protection Material Factory, Henan Qingshuiyuan Technology Co., Ltd., CNOOC Tianjin Chemical Research and Design
Institute Co., Ltd., Shandong Taihe Water Treatment Technology Co., Ltd., Shenzhen Junnuo Testing Co., Ltd., Srire Environmental Technology Co., Ltd.
Division, Chongqing Lanjie Guangshun Water Purification Materials Co., Ltd., Shenzhen Aikelt Testing Co., Ltd., Chongqing University, Tianjin Zhengda Technology Co., Ltd.
the company.
The main drafters of this standard. Yu Minghua, Wang Zhiqing, Zhuang Aijuan, Yin Guangying, Li Zhicheng, Yang Liuyin, Wei Xiaobing, Liu Tao, Zheng Huaili,
Zhang Ningbo, Shao Hongqian, Wang Wei.
Determination of chromium, cadmium, lead and arsenic in water treatment agents
Inductively coupled plasma optical emission spectroscopy (ICP-OES)
1 Scope
This standard specifies the method for determining the content of chromium, cadmium, lead and arsenic in water treatment agents--inductively coupled plasma atomic emission spectrometry.
This standard applies to water treatment agent chromium content 0.00025% ~ 0.01%, cadmium content 0.00025% ~ 0.01%, lead content
0.00025%~0.01%, arsenic content 0.00025%~0.01% range determination.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Preparation of standard solution for GB/T 602 chemical reagent impurity determination
GB/T 6682 Analytical laboratory water specifications and test methods
3 method summary
The sample is atomized into a plasma emission spectrometer and then introduced into the plasma torch by argon gas. Each measured element is in the plasma
The torch is gasified, ionized, excited and emits characteristic lines, and the intensity of the characteristic line is detected by the detector. Within a certain concentration range,
The concentration of the measured element is proportional to the intensity of its characteristic line, thereby determining the content of the element to be tested in the sample. Use external standard according to the characteristics of the sample
The method or standard addition method is used for quantification to determine the content of chromium, cadmium, lead and arsenic in the sample.
4 reagents or materials
Caution - The strong acid used in this standard is corrosive and should be avoided when inhaled or in contact with the skin. Splash on the body should be used immediately
Rinse with water and seek medical attention if it is severe.
4.1 Reagents and water used in this standard, unless otherwise specified, should be used with superior grade reagents and secondary water in accordance with GB/T 6682.
4.2 Standard solution of impurities required in the test Prepare or select the commercially available standard solution according to the provisions of GB/T 602.
4.3 Sulfuric acid.
4.4 Nitric acid.
4.5 Nitric acid solution. 1 99.
4.6 Chromium standard stock solution. 1000mg/L.
4.7 Chromium standard solution. 100mg/L. Pipette 10 mL of chromium standard stock solution, place in a 100 mL volumetric flask, dissolve with nitric acid
Dilute the solution to the mark and shake well. Or according to GB/T 602.
4.8 Cadmium standard stock solution. 1000mg/L.
4.9 Cadmium standard solution. 100mg/L. Pipette 10 mL of cadmium standard stock solution into a 100 mL volumetric flask and dissolve with nitric acid.
Dilute the solution to the mark and shake well. Or according to GB/T 602.
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