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GB/T 23524-2019: Method for chemical analysis of petrochemical spent platinum catalyst - Determination of platinum - Inductively coupled plasma atomic emission spectrometry
Status: Valid GB/T 23524: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23524-2019 | English | 199 |
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Method for chemical analysis of petrochemical spent platinum catalyst - Determination of platinum - Inductively coupled plasma atomic emission spectrometry
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GB/T 23524-2019
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| GB/T 23524-2009 | English | 319 |
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Test method of spent petrochemical catalyst -- Determination of platinum -- Inductively coupled plasma atomic emission spectrometry
| Obsolete |
GB/T 23524-2009
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PDF similar to GB/T 23524-2019
Basic data | Standard ID | GB/T 23524-2019 (GB/T23524-2019) | | Description (Translated English) | Method for chemical analysis of petrochemical spent platinum catalyst - Determination of platinum - Inductively coupled plasma atomic emission spectrometry | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H15 | | Classification of International Standard | 77.120.99 | | Word Count Estimation | 10,156 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2020-05-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 23524-2019: Method for chemical analysis of petrochemical spent platinum catalyst - Determination of platinum - Inductively coupled plasma atomic emission spectrometry
---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.
Method for chemical analysis of petrochemical spent platinum catalyst--Determination of platinum--Inductively coupled plasma atomic emission spectrometry
ICS 77.120.99
H15
National Standards of People's Republic of China
Replace GB/T 23524-2009
Petrochemical waste platinum catalyst chemical analysis method
Determination of platinum content
Inductively coupled plasma atomic emission spectrometry
Published on.2019-06-04
2020-05-01 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 replaces GB/T 23524-2009 "Petrochemical waste catalysts in the determination of platinum content inductively coupled plasma atomic
Shot spectroscopy. Compared with GB/T 23524-2009, this standard is subject to the following technical changes as follows.
--- In the standard, the method of oxidizing complex platinum with hydrochloric acid and sodium chlorate is used to replace the chlorine gas oxidative complexing method in the original standard, and the standard is deleted.
The content of chlorine gas oxidative complexation method in the full text;
--- Remove the contents of Appendix A, Appendix B is adjusted to Appendix A.
This standard was proposed by the China Nonferrous Metals Industry Association.
This standard is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243).
This standard was drafted. Xuzhou Haotong New Material Technology Co., Ltd., Guangdong Industrial Analysis and Testing Center, Nonferrous Metals Technology
Research Institute, North Mine Inspection Technology Co., Ltd., Xi'an Kaili New Materials Co., Ltd., National Standard (Beijing) Inspection and Certification Co., Ltd., Guohe
General Test Evaluation Certification Stock Company.
The main drafters of this standard. Yan Hongjie, Gong Weilong, Suo Yongxi, Xiang Lei, Chen Xiaolan, Tang Shufang, Li Na, Xu Siting, Sun Haifeng, Chen Xiaodong,
Wang Yunjie, Zeng Yongkang, Song Yiyun.
The previous versions of the standards replaced by this standard are.
---GB/T 23524-2009.
Petrochemical waste platinum catalyst chemical analysis method
Determination of platinum content
Inductively coupled plasma atomic emission spectrometry
1 Scope
This standard specifies the determination method of platinum content in petrochemical aluminum-silicon carrier waste platinum catalyst.
This standard applies to the determination of platinum content in petrochemical aluminum-silicon carrier waste platinum catalyst. Measuring range. 0.100%~0.800%.
2 Method summary
Dissolve the sample with sulfuric acid, oxidize the complexed platinum with hydrochloric acid and sodium chlorate, and select the best inductively coupled plasma atomic emission spectrometer.
The platinum content was determined under working conditions.
3 reagents and materials
3.1 Unless otherwise stated, analytically pure reagents or higher purity reagents and distilled water or equivalent purity water were used in the analysis.
3.2 Sodium chlorate.
3.3 Sodium hydroxide.
3.4 Hydrochloric acid (ρ = 1.19 g/mL).
3.5 Nitric acid (ρ = 1.42 g/mL).
3.6 sodium chlorate solution (80g/L). Weigh 40g sodium chlorate (3.2), dissolved in 100mL water, transferred to a 500mL volumetric flask to determine the volume,
Shake well.
3.7 Hydrochloric acid (1 1).
3.8 Sulfuric acid (1 1).
3.9 Platinum standard storage solution (1mg/mL). Weigh 1.0000g of platinum powder (wPt≥99.99%) in a 250mL beaker, add 30mL
Hydrochloric acid (3.4) and 10mL nitric acid (3.5), covered with a watch glass, heated at low temperature until dissolved completely, and steamed to near dryness, taken off slightly cold, added 10mL
Hydrochloric acid (3.4), evaporated to near dryness, repeat this operation 3 times, drive off the nitrogen oxides, add 40mL hydrochloric acid (3.7) to dissolve the salt at low temperature, remove the burning
Cup, cool to room temperature, transfer to a 1000mL volumetric flask, dilute to the mark with water, shake.
3.10 Nickel. 50mL.
3.11 Argon (mass fraction ≥ 99.99%).
4 instruments
Inductively coupled plasma atomic emission spectrometer. Under the best working conditions of the instrument, anyone who can achieve the following indicators can be used.
--- Light source. Argon plasma source, the maximum output power of the generator is not less than 1.30kW.
--- Resolution. The optical resolution is not more than 0.010 nm at.200 nm; the optical resolution is not more than 0.020 nm at 400 nm.
---Instrument stability. Under the best working conditions of the instrument, the light intensity phase is measured 11 times with 1μg/mL copper standard solution.
The standard deviation is not more than 2.5%.
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