Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 4324.8-2008 English PDF

Q: How long will the true-PDF of English version of GB/T 4324.8-2008 be delivered?

Upon your order, we will start to translate GB/T 4324.8-2008_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.

Q: Can I share the purchased PDF of GB/T 4324.8-2008_English with my colleagues?

Yes. The purchased PDF of GB/T 4324.8-2008_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

Q: Should I purchase the latest version GB/T 4324.8-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4324.8-2008 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.

US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4324.8-2008: Methods for chemical analysis of tungsten -- Determination of nickel content -- The inductively coupled plasma atomic emission spectrometry, flame atomic absorption spectrometry and dimethylglyoxime gravimetry
Status: Valid

GB/T 4324.8: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4324.8-2008	259	Add to Cart	3 days	Methods for chemical analysis of tungsten -- Determination of nickel content -- The inductively coupled plasma atomic emission spectrometry, flame atomic absorption spectrometry and dimethylglyoxime gravimetry	Valid
GB/T 4324.8-1984	199	Add to Cart	2 days	Methods for chemical analysis of tungsten--The dimethylglyoxime photometric method for the determination of nickel content	Obsolete

Similar standards

GB/T 4325.7 GB/T 4325.8 GB/T 4325.6 GB/T 4324.2 GB/T 4324.11 GB/T 4324.1

Basic data

Standard ID: GB/T 4324.8-2008 (GB/T4324.8-2008)
Description (Translated English): Methods for chemical analysis of tungsten -- Determination of nickel content -- The inductively coupled plasma atomic emission spectrometry, flame atomic absorption spectrometry and dimethylglyoxime gravimetry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.120.99
Word Count Estimation: 11,154
Date of Issue: 2008-06-09
Date of Implementation: 2008-12-01
Older Standard (superseded by this standard): GB/T 4324.8-1984; GB/T 4324.9-1984
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 carbide, tungsten trioxide, tungsten acid, blue tungsten, purple tungsten, determination of ammonium paratungstate and metatungstate in nickel content. This method is suitable for tungsten powder, tungsten, tungsten carbide, tungsten trioxide, tungsten acid, blue tungsten, purple tungsten, determination paratungstate and metatungstate in nickel content. Measurement range: 0. 0004% to 0. 050%.

GB/T 4324.8-2008: Methods for chemical analysis of tungsten -- Determination of nickel content -- The inductively coupled plasma atomic emission spectrometry, flame atomic absorption spectrometry and dimethylglyoxime gravimetry

---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 nickel content. The inductively coupled plasma atomic emission spectrometry, flame atomic absorption spectrometry and dimethylglyoxime gravimetry ICS 77.120.99 H63 National Standards of People's Republic of China Replacing GB/T 4324.8 ~ 4324.9-1984 Determination of chemical analysis of tungsten nickel content Inductively coupled plasma atomic emission spectrometry, Flame atomic absorption spectrometry and dimethylglyoxime gravimetric method 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 Section 84324 of. This Part replaces GB/T 4324.8-1984 "spectrophotometric determination of chemical analysis of tungsten nickel dimethylglyoxime" and GB/T 4324.9- 1984 "Determination of nickel chemical analysis of tungsten dimethylglyoxime gravimetric method." This portion of the GB/T 4324.8-1984 and GB/T 4324.9-1984 main changes are as follows. --- Determination method increases the inductively coupled plasma atomic emission spectrometry and atomic absorption spectrometry, the abolition of dimethylglyoxime spectrophotometric Spectrophotometry; --- Scope added tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, ammonium paratungstate and ammonium metatungstate; --- The method of measurement range from 3 "0.20% to 1.50%" to "0.20% to 2.00%"; --- The "measurement frequency" in the "three" to "two"; --- Increasing the tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, paratungstate and sample dissolution methods ammonium metatungstate; --- Of nickel dimethylglyoxime precipitation conditions original "pH8 ~ 9" to "precipitated with ammonia was adjusted to acid dissolution, and then hydrochloric acid (1 + 1) adjusted Solution pH6 about adding a precipitating agent, 30mL ammonia "; --- 5.4.2 will be "placed in a boiling water bath heated 15min, cut off the power, heat 90min ~ 100min" read "by adding boiling water to 250mL volume "of the nickel precipitated in the hot solution to precipitate the" Place 1.5h "; --- Beaker and washed precipitate was washed by "cold ammonium hydroxide solution (1 + 99)" to "solution"; --- Increasing the foreword, precision and quality assurance and control content. Nickel content in the range of 0.045% to 0.050%, Tier 2 arbitration. 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 part of the participation of Zigong Carbide limited liability company, Chongyi Zhangyuan Tungsten Co., Ltd., Central South University Institute of powder metallurgy Drafted. The main drafters of this Part 1. Xiong Jing, Guo Peng, Zhangjiang Feng. The main drafters of this section Method 2. easy Jianbo, Guo Peng, Zhangjiang Feng. The main drafters of this section Method 3. easy Jianbo, Guo Peng, Zhangjiang Feng. The main part of the verification method 1 Person. Dong Feng Wen. The main part of the method validation by. Yun-Xia Zhang, Li Ping, Li Huiling. This section Method 3 main certifier. Jian Yu Mei, Yun-Xia Zhang, Li Ping, Tan Zhaohui. This part of the standard replaces the previous editions are. --- GB/T 4324.8-1984, GB/T 4324.9-1984. Determination of chemical analysis of tungsten nickel content Inductively coupled plasma atomic emission spectrometry, Flame atomic absorption spectrometry and dimethylglyoxime gravimetric method Method 1 inductively coupled plasma atomic emission spectrometry

1 Scope

This method specifies tungsten powder, tungsten determination, tungsten carbide, tungsten trioxide, tungstic acid, tungsten blue, purple tungsten, ammonium paratungstate and ammonium metatungstate in nickel content method. This method is suitable for tungsten powder, tungsten, tungsten carbide, tungsten, tungsten acid, tungsten blue, purple tungsten, paratungstate and tungsten trioxide partial determination of ammonium nickel content. Measurement range. 0.0004% to 0.050%.

2 Method summary

Tungsten powder, tungsten bar, fine (in) tungsten carbide particles with hydrogen peroxide dissolved; tungsten trioxide, tungstic acid, ammonium paratungstate and ammonium metatungstate dissolved with ammonia; Blue tungsten dissolved ammonia and hydrogen peroxide; purple tungsten, tungsten carbide coarse particles burning into three after the tungsten oxide dissolved in ammonia. Hydrochloric acid to dissolve nickel peroxide Hydrogen peroxide, citric acid complex of tungsten, nickel content was measured in the spectrometer inductively coupled plasma atomic emission.

3 Reagents

Unless otherwise indicated, used in the analysis confirmed only for the gifted class pure reagents and double distilled water. 3.1 Hydrogen peroxide (ρ1.10g/mL). Ammonia 3.2 (1 + 1). 3.3 citric acid solution (500g/L). 3.4 HCl (1 + 1). 3.5 Nickel standard stock solution. Weigh 0.1000g of nickel (Ni≥99.99%) in 250mL beaker with a small amount of water wet, add 20mL of nitric acid (1 + 1), covered with a watch glass, low heat until completely dissolved, cooled to room temperature, the solution is transferred 1000mL volumetric flask Dilute with water to volume, and mix. This solution 1mL containing 100μg nickel. 3.6 Nickel standard solution. Pipette 10.00mL Nickel standard stock solution (3.5) placed in 100mL flask, add 2mL nitric acid (1 + 1), diluted with water to volume, and mix. This solution 1mL containing 10μg nickel. 3.7 tungsten base. nickel content is less than 0.0001%.

4 instruments and equipment

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. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4324.8-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4324.8-2008_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 4324.8-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4324.8-2008_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 4324.8-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4324.8-2008 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.