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GB/T 4324.13-2008 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4324.13-2008: Methods for chemical analysis of tungsten -- Determination of calcium content -- The inductively coupled plasma atomic emission spectrometry
Status: Valid

GB/T 4324.13: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4324.13-2008	169	Add to Cart	3 days	Methods for chemical analysis of tungsten -- Determination of calcium content -- The inductively coupled plasma atomic emission spectrometry	Valid
GB/T 4324.13-1984	199	Add to Cart	2 days	Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil)photometric method for the determination of calcium content	Obsolete

Similar standards

GB/T 4325.7 GB/T 4325.8 GB/T 4325.6 GB/T 4324.12 GB/T 4324.14 GB/T 4324.11

Basic data

Standard ID: GB/T 4324.13-2008 (GB/T4324.13-2008)
Description (Translated English): Methods for chemical analysis of tungsten -- Determination of calcium content -- The inductively coupled plasma atomic emission spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.120.99
Word Count Estimation: 7,720
Date of Issue: 2008-06-09
Date of Implementation: 2008-12-01
Older Standard (superseded by this standard): GB/T 4324.13-1984; GB/T 4324.14-1984
Regulation (derived from): National Standard Approval Announcement 2008 No.9 (Total No.122)
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 tungsten powder, tungsten, tungsten trioxide, blue tungsten, purple tungsten, carbide, tungstate, paratungstate, determination metatungstate in calcium content. This section applies to tungsten powder, tungsten, tungsten trioxide, blue tungsten, purple tungsten, carbide, tungstate, paratungstate, partial determination of tungsten ammonium calcium content. Measurement range: 0. 0003% to 0. 050%.

GB/T 4324.13-2008: Methods for chemical analysis of tungsten -- Determination of calcium content -- The 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.
Methods for chemical analysis of tungsten. Determination of calcium content. The inductively coupled plasma atomic emission spectrometry ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4324.13 ~ 4324.14-1984 Chemical analysis of tungsten Determination of calcium Inductively coupled plasma atomic emission spectrometry Posted 2008-06-09 2008-12-01 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 27 parts. GB/T 4324.1 tungsten chemical analysis of lead and cadmium content was measured square wave polarography; GB/T 4324.2 chemical analysis of tungsten bismuth content was measured by potassium iodide - brucine spectrophotometry; GB/T 4324.3 Determination of chemical analysis of tungsten tin weight polyethylene glycol octyl phenyl ether - benzene spectrophotometric; GB /4324.4 chemical analysis of tungsten Determination of antimony content T malachite green spectrophotometry; GB/T 4324.5 tungsten chemical analysis of arsenic content - Molybdenum blue spectrophotometric method; Determination of GB/T 4324.6 tungsten chemical analysis of iron content phenanthroline spectrophotometry; Determination of GB/T 4324.7 chemical analysis of tungsten cobalt content of cobalt reagent spectrophotometry; GB /Inductively coupled plasma atomic T 4324.8 chemical analysis of tungsten nickel content of emission spectrometry flame atomic absorption Income spectroscopy and dimethylglyoxime gravimetric method; Determination of GB/T 4324.10 chemical analysis of tungsten copper content of the new copper reagent spectrophotometry; Determination of chromium GB/T 4324.11 tungsten chemical analysis of aluminum content Azure S Spectrophotometry; GB/T 4324.12 chemical analysis of tungsten - Determination of the amount of silicon chloride - Silicon molybdenum blue spectrophotometric method; Inductively GB/T 4324.13 chemical analysis of tungsten calcium coupled plasma atomic emission spectrometry; GB/T 4324.15 Flame atomic chemical analysis of tungsten amount of magnesium absorption spectrometry and inductively coupled plasma atomic Emission spectrometry; Atomic GB/T 4324.17 chemical analysis of tungsten amount of sodium absorption spectrometry; Atomic GB/T 4324.18 chemical analysis of tungsten amount of potassium absorption spectrometry; GB/T 4324.19 chemical analysis of tungsten titanium content measured two methane antipyrine spectrophotometry; Determination of GB/T 4324.20 chemical analysis of tungsten vanadium tantalum reagent spectrophotometry; GB /4324.21 chemical analysis of tungsten chromium content measured T-diphenyl-carbon acid dihydrazide spectrophotometry; GB/T 4324.22 Determination of chemical analysis of tungsten manganese content of formaldehyde oxime spectrophotometry; Determination of GB/T 4324.23 chemical analysis of tungsten combustion of sulfur content - conductance method; GB/T 4324.24 chemical analysis of tungsten determination of phosphorus content of beryllium is carrying precipitating agent - molybdenum blue spectrophotometric method; GB/T 4324.25 chemical analysis of tungsten - Determination of oxygen inert gas fusion coulometric titration; GB/T 4324.26 Determination of chemical analysis of tungsten nitrogen Chennai formula reagent spectrophotometry; Determination of GB/T 4324.27 chemical analysis of tungsten carbon combustion - coulometric titration method; GB/T 4324.28 chemical analysis of tungsten and molybdenum contents - Thiocyanate spectrophotometric; GB/T 4324.29 chemical analysis of tungsten post-chlorinated volatile residue amount Gravimetric method; GB/T 4324.30 chemical analysis of tungsten determination of loss on ignition - Gravimetric method. This section GB/T Part of 134,324. This Part replaces GB/T 4324.13-1984 "chemical analysis of tungsten glyoxal bis (2-hydroxy-aniline) spectrophotometric determination of calcium" and GB/T 4324.14-1984 "chemical analysis of tungsten atomic absorption spectrophotometric determination of calcium content." This portion of the GB/T 4324.13-1984 and GB/T 4324.14-1984 main changes are as follows. --- Measuring method to inductively coupled plasma atomic emission spectrometry, the abolition of glyoxal bis (2-hydroxy-aniline) spectrophotometry And atomic absorption spectrophotometry; --- Increasing the foreword, precision and quality assurance and control content. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section Zhuzhou Cemented Carbide Group Co., Ltd. is responsible for drafting. This in part by the Institute of Powder Metallurgy, Central South University, participated in the drafting. The main drafters of this section. Xiong Jing, Guo Peng, Zhangjiang Feng. This part certifier. Dong Feng Wen. This part of the standard replaces the previous editions are. --- GB/T 4324.13-1984, GB/T 4324.14-1984. Chemical analysis of tungsten Determination of calcium Inductively coupled plasma atomic emission spectrometry

1 Scope

This section provides tungsten powder, tungsten, tungsten trioxide determination, tungsten blue, purple tungsten, tungsten carbide, tungsten acid, ammonium paratungstate, metatungstate calcium content method. This Part applies to tungsten powder, tungsten measure, tungsten trioxide, tungsten blue, purple tungsten, tungsten carbide, tungsten acid, ammonium paratungstate, metatungstate calcium content set. Measurement range. 0.0003% to 0.050%.

2 Method summary

Tungsten powder, tungsten bar, fine (in) tungsten carbide particles with hydrogen peroxide decomposition; blue tungsten with hydrogen peroxide and ammonia decomposition; tungsten oxide, tungstate, paratungstate Ammonium metatungstate aqueous ammonia decomposition; purple tungsten, tungsten carbide coarse particles after the oxidation of the tungsten trioxide with ammonia decomposition. Hydrogen peroxide, citric acid complex Together tungsten, in the determination of calcium inductively coupled plasma atomic emission spectrometer.

3 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical reagents and double distilled water. 3.1 Hydrogen peroxide (ρ1.10g/mL). Ammonia 3.2 (1 + 1), the preparation of a MOS ammonia level. 3.3 citric acid solution (500g/L). 3.4 Calcium standard stock solution. Weigh 0.1399g pre-burning calcium oxide 1h through 900 ℃ (calcium oxide content of not less than 99.99%), placed in a beaker of 250mL, was added 20mL of hydrochloric acid (1 + 1), covered with a watch glass and heated until completely dissolved and cooled to room temperature. The solution is transferred to 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 100μg calcium. 3.5 Calcium standard solution. Pipette 10.00mL calcium standard stock solution (3.4) in 100mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 10μg calcium. 3.6 tungsten substrate. calcium mass fraction of less than 0.0001%.

4 Instrument

Inductively coupled plasma atomic emission spectrometer.

5 Sample

5.1 tungsten and shall crush through 125μm sieve. 5.2 average particle size of the tungsten carbide fine particles 1μm ~ 3μm, the average particle size of the tungsten carbide particles is greater than 3μm ~ 9μm, coarse WC particles The average particle size greater than 9μm. Step 6 Analysis 6.1 Sample Weigh 0.5g ~ 1g sample (5), accurate to 0.0001g. 6.2 Determination of the number of Independently measured twice and averaged. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4324.13-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4324.13-2008_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 4324.13-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4324.13-2008_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 4324.13-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4324.13-2008 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.