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Nanotechnology -- Determination of copper, manganese and chromium ions in aqueous solution -- Ultraviolet-visible spectrophotometry
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GB/T 36084-2018
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Basic data Standard ID | GB/T 36084-2018 (GB/T36084-2018) | Description (Translated English) | Nanotechnology -- Determination of copper, manganese and chromium ions in aqueous solution -- Ultraviolet-visible spectrophotometry | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | Z16 | Classification of International Standard | 71.040.99 | Word Count Estimation | 14,167 | Date of Issue | 2018-03-15 | Date of Implementation | 2018-10-01 | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 36084-2018: Nanotechnology -- Determination of copper, manganese and chromium ions in aqueous solution -- Ultraviolet-visible spectrophotometry ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Nanotechnology--Determination of copper,ethylene and chromium ions in aqueous solution--Ultraviolet-visible spectrophotometry
ICS 71.040.99
Z16
National Standards of People's Republic of China
Copper, manganese and chromium ions in aqueous solution of nanotechnology
Determination of content UV-visible spectrophotometry
Published by.2018-03-15
2018-10-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Directory
Preface I
Introduction II
1 Scope 1
2 Normative references 1
3 Terms and Definitions, Abbreviations 1
4 Principle 1
5 Instruments and Equipment 2
6 Reagent 2
7 Measurement condition 2
8 sample pretreatment 3
9 Analysis Step 3
10 Quality Assurance and Quality Control 6
11 Uncertainty Analysis 7
12 Test Report 7
Appendix A (Informative) Preparation of Nanoparticles 8
Appendix B (Informative) Test Report 10
Reference 11
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Chinese Academy of Sciences.
This standard is under the jurisdiction of the National Nanotechnology Standardization Technical Committee (SAC/TC279).
This standard was drafted by. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, University of Science and Technology of China.
The main drafters of this standard. Wu Aiguo, Zhang Yujie, Huang Wenhao, Zhu Wulin, Zhu Shanshan, and Gao Yuexia.
Introduction
The colorimetric detection method based on surface plasmon resonance characteristics of precious metal nanoparticles is simple, flexible in design, and does not require large-scale instrumentation equipment.
With high sensitivity and good selectivity, it is widely used for qualitative and quantitative analysis of inorganic anions, cells, proteins, DNA, and small molecules.
analysis. In recent years, researchers have developed a variety of methods for the colorimetric detection of heavy metal ions, which are the scene and fast of heavy metal ions in water.
The detection and monitoring requirements provide effective technical means, but due to the lack of application guidance and data evaluation specifications, such methods have not yet been truly
For the water heavy metal ion detection industry services. Therefore, this standard is specifically formulated.
The issuing authority of this document draws attention to the fact that when the statement is in compliance with this document, it may involve "9 analysis steps" and "a rapid test solution
Method of Copper Ion" (ZL201210097477.7), "Method of Detecting Divalent Manganese Ions" (ZL201210310138.2) and "A Type Six
The method of detection of chrome ions (ZL201110378260.9) is related to the use of patents.
The issuing agency of this document has no position on the authenticity, validity and scope of the patent.
The patent holder has assured the issuing agency of this document that he is willing to work with any applicant on reasonable and non-discriminatory terms and conditions.
Negotiate on licensing of patents. The patent holder’s statement has been filed with the issuing agency of this document. Related information can be passed below
Contact information is obtained.
Name of Patent Holder. Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences
Address. No. 1219, Zhongguan West Road, Zhenhai District, Ningbo City, Zhejiang Province, China
Please note that in addition to the above-mentioned patents, some of the contents of this document may still involve patents. The issuing agency of this document does not bear the responsibility of identifying these patents.
Responsibility.
Copper, manganese and chromium ions in aqueous solution of nanotechnology
Determination of content UV-visible spectrophotometry
1 Scope
This standard specifies the determination of divalent copper ions (Cu2) and divalent manganese ions (Mn2) in aqueous solutions using an ultraviolet-visible spectrophotometer.
Method of hexavalent chromium ion [Cr (VI)] content.
This standard applies to the determination of divalent copper ions, divalent manganese ions and hexavalent chromium ions in aqueous solution samples, soil, food or biological samples.
After appropriate treatment, refer to this standard for determination.
The lower limit of detection of each ion in the water sample to be tested in this standard is. the content of Cu2 is not less than 1.00×10-7 mol·L-1, Mn2
The content of Cr(VI) is not less than 1.00×10-6 mol·L-1, and the content of Cr(VI) is not less than 4.00×10-7 mol·L-1.
The pH range of the water samples to be tested for this standard is. the aqueous solution containing Cu2 has a pH range of 2 to 6 and an aqueous solution containing Mn2.
The pH range is 3 to 7, and the aqueous solution containing Cr(VI) has a pH range of 1 to 6.
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 version (including all amendments) applies to this document.
GB/T 6682 Analysis Laboratory Water Specifications and Test Methods
GB/T 14666 Analytical Chemistry Terms
GB/T 19619 nanomaterials
GB/T 26813 Double beam UV-Vis spectrophotometer
Uncertainty evaluation methods and expressions commonly used in GB/T 27411 testing laboratories
3 Terms and Definitions, Abbreviations
3.1 Terms and Definitions
The terms and definitions defined in GB/T 14666, GB/T 19619 and GB/T 27411 apply to this document.
3.2 Abbreviations
The following abbreviations apply to this document.
NPs. Nanoparticles
AgNPs-T. Tween-20 Modified Silver Nanoparticles
AgNPs-P. tripolyphosphatemodifiedsillownanoparticles
CTAB. cetyltrimethylammonium bromide
Ag@AuNPs. Silver Core Gold Nanoparticles (Ag@Aucore/shelnanoparticles)
SPR. Surface plasmon resonance (surface plasmon resonance)
4 Principle
The principle of measurement is as follows.
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