GB/T 4324.27-2012 English PDF

US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4324.27-2012: Methods for chemical analysis of tungsten -- Part 27: Determination of carbon content -- High frequency combustion-infrared absorption method
Status: Valid

GB/T 4324.27: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4324.27-2012	169	Add to Cart	3 days	Methods for chemical analysis of tungsten -- Part 27: Determination of carbon content -- High frequency combustion-infrared absorption method	Valid
GB/T 4324.27-1984	199	Add to Cart	2 days	Methods for chemical analysis of tungsten--The combustion-coulometric titration method for the determination of carbon content	Obsolete

Similar standards

GB/T 4325.7   GB/T 4325.8   GB/T 4325.6   GB/T 4324.20   GB/T 4324.21   GB/T 4324.19   

Basic data

Standard ID: GB/T 4324.27-2012 (GB/T4324.27-2012)
Description (Translated English): Methods for chemical analysis of tungsten -- Part 27: Determination of carbon content -- High frequency combustion-infrared absorption method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.120.99
Word Count Estimation: 7,782
Older Standard (superseded by this standard): GB/T 4324.27-1984
Regulation (derived from): National Standards Bulletin No. 41 of 2012
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the use infrared absorption method tungsten powder, tungsten oxide, tungsten carbon content. This section applies to tungsten powder, tungsten oxide, tungsten carbon content. Determination range of 0. 0005% to 0. 50%.

GB/T 4324.27-2012: Methods for chemical analysis of tungsten -- Part 27: Determination of carbon content -- High frequency combustion-infrared absorption method

---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.
Methods for chemical analysis of tungsten Part 27. Determination of carbon content High frequency combustion-infrared absorption method ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4324.27-1984 Chemical analysis of tungsten Part 27. Determination of carbon contents Frequency combustion infrared absorption method Part 27. Determinationofcarboncontent- Issued on. 2012-12-31 2013-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 4324 "chemical analysis of tungsten" is divided into 28 parts. --- Part 1. Determination of lead content - flame atomic absorption spectrometry; --- Part 2. Determination of bismuth content hydride generation atomic absorption spectrometry; --- Part 3. Determination of tin content hydride generation atomic absorption spectrometry; --- Part 4. Determination of antimony content hydride generation atomic absorption spectrometry; --- Part 5. Determination of arsenic content by hydride generation atomic absorption spectrometry; --- Part 6. Determination of iron content of phenanthroline spectrophotometry; --- Part 7. Determination of cobalt content by inductively coupled plasma atomic emission spectrometry; --- Part 8. Determination of the amount of nickel by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry Diacetyldioxime Gravimetric method; --- Part 9. Determination of cadmium content by inductively coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry; --- Part 10. Determination of copper content - Flame atomic absorption spectrometry; --- Part 11. Determination of aluminum content by inductively coupled plasma atomic emission spectrometry; --- Part 12. Determination of the amount of silicon tetrachloride - molybdenum blue spectrophotometric method; --- Part 13. Inductively coupled plasma calcium atomic emission spectrometry; --- Part 14. Chlorinated Volatile residue amount after Gravimetric method; --- Part 15. Determination of magnesium content - Flame atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry; --- Part 16. Determination of loss on ignition - Gravimetric method; --- Part 17. Determination of sodium content by flame atomic absorption spectrometry; --- Part 18. Determination of potassium content by flame atomic absorption spectrometry; --- Part 19. Determination of titanium content of two methane antipyrine spectrophotometry; --- Part 20. vanadium content - Inductively coupled plasma atomic emission spectrometry; --- Part 21. Determination of chromium content by inductively coupled plasma atomic emission spectrometry; --- Part 22. manganese content - Inductively coupled plasma atomic emission spectrometry; --- Part 23. Determination of sulfur content of combustion conductance method and frequency combustion infrared absorption method; --- Part 24. Determination of phosphorus content - Molybdenum blue spectrophotometric method; --- Part 25. Determination of oxygen pulse heating inert gas fusion - infrared absorption method; --- Part 26. Determination of nitrogen pulse heating inert gas fusion - thermal conductivity method and Nessler reagent spectrophotometric method; --- Part 27. Determination of carbon content in the high-frequency combustion infrared absorption method; --- Part 28. Determination of molybdenum content - Thiocyanate spectrophotometric method. This section GB/T 4324 of Chapter 27. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 4324.27-1984 "chemical analysis of tungsten - The combustion - coulometric titration method for the determination of carbon content." This portion GB/T 4324.27-1984 compared to the main changes are as follows. --- The "combustion - coulometric titration method" to "infrared absorption method"; --- Increased repeatability terms; --- Increasing the test report. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This section drafted by. China Molybdenum Group Co., Ltd., Guangzhou Nonferrous Metal Research Institute, Beijing General Research Institute of Mining and Metallurgy, Northwest Nonferrous Metal Research Institute. The main drafters of this section. Chen Feng Group, Tian Yonghong, Xuqiong Jie, Xiao new, Zhuang Yichun, Xiong Xiaoyan, Xu Xiaoyan, seeking Tao Jiang, Wang Hui, Li Bo. This part of the standard replaces the previous editions are. --- GB/T 4324.27-1984. Chemical analysis of tungsten Part 27. Determination of carbon contents Frequency combustion infrared absorption method

1 Scope

GB/T 4324 This section provides for the determination of tungsten powder, tungsten, tungsten oxide carbon content by infrared absorption method. This Part applies to tungsten powder, tungsten, determination of carbon content of the tungsten oxide. Determination range of 0.0005% to 0.50%.

2 Method summary

Sample high frequency induction furnace in an oxygen stream of heated combustion, carbon dioxide generated by the oxygen contained in the infrared analyzer to the measuring chamber, Carbon dioxide absorbing specific wavelengths of infrared energy, which is proportional to the absorbed energy and the carbon concentration, the detector according to the measured receiving energy change Carbon content.

3 Reagents and materials

3.1 iron flux. wFe≥99.8%, wC≤0.0005%, particle size ≤1.25mm. 3.2 tungsten tin flux. wC≤0.0010%, granularity ≤1.4mm. 3.3 Standard substance (or standard sample). substance similar to the amount of carbon material to be tested. 3.4 Oxygen. purity of more than 99.95%. 3.5 magnesium perchlorate. dry, granular or flaky. 3.6 caustic soda asbestos. granular. 3.7 quartz wool. 3.8 sulfur trioxide absorber. 3.9 platinized silica gel. a granular form. 3.10 ceramic crucible. constant high temperature burning to a blank value, after cooling stored in a desiccator.

4 instruments and equipment

High frequency induction - infrared absorption analyzer Dingtan. includes a high frequency induction furnace, the intake pipe purifying reagent to detect gas heater catalyst, sulfur trioxide absorption Close control, infrared detectors, computers and software control systems.

5 Sample

Tungsten remove the skin after pulverized by standard 0.125mm sieve. Step 6 Analysis 6.1 Warm up Sufficient warm-up before the instrumental analysis, instrument by instrument manual debugging check the instrument in the normal steady state. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4324.27-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4324.27-2012_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 4324.27-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4324.27-2012_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 4324.27-2012?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4324.27-2012 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.