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YS/T 539.8-2024 English PDF

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Q: Should I purchase the latest version YS/T 539.8-2024?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 539.8-2024 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$229.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 539.8-2024: (Chemical analysis method for nickel-based alloy powder - Part 8: Determination of oxygen content - Energy dispersive X-ray fluorescence spectrometry (semi-quantitative method))
Status: Valid

YS/T 539.8: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 539.8-2024	229	Add to Cart	3 days	(Chemical analysis method for nickel-based alloy powder - Part 8: Determination of oxygen content - Energy dispersive X-ray fluorescence spectrometry (semi-quantitative method))	Valid
YS/T 539.8-2009	239	Add to Cart	3 days	Methods for chemical analysis of nickel base alloy powder. Part 8: Determination of copper content. Neocuproine-chloroform extraction spectrophotometry	Obsolete
YS/T 539.8-2006	199	Add to Cart	2 days	Nickel base alloy powder. Determination of copper content. Neocuproine-chloroform extraction spectrophotometric method	Obsolete

Basic data

Standard ID: YS/T 539.8-2024 (YS/T539.8-2024)
Description (Translated English): (Chemical analysis method for nickel-based alloy powder - Part 8: Determination of oxygen content - Energy dispersive X-ray fluorescence spectrometry (semi-quantitative method))
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H16
Classification of International Standard: 77.16
Word Count Estimation: 10,145
Date of Issue: 2024-10-24
Date of Implementation: 2025-05-01
Older Standard (superseded by this standard): YS/T 539.13-2009
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the method for determining the oxygen content in nickel-based alloy powder by pulse heating inert gas melting-infrared absorption method. This standard is applicable to the determination of oxygen content in nickel-based alloy powder, and the determination range is 0.0020% to 0.30%.

YS/T 539.8-2009: Methods for chemical analysis of nickel base alloy powder. Part 8: Determination of copper content. Neocuproine-chloroform extraction 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.
Methods for chemical analysis of nickel base alloy powder.Part 8. Determination of copper content.Neocuproine-chloroform extraction spectrophotometry ICS 77.120.40 H71 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 539.8-2006 Nickel-based alloy powder chemical analysis Part 8. Determination of copper content Neocuproine - chloroform extraction photometric Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

YS/T 539 "nickel-based alloy powder chemical analysis method" is divided into 13 parts. --- Part 1. Determination of the amount of boron acid-base titration; --- Part 2. Determination of the amount of chrome aluminum Azure S Spectrophotometry; --- Part 3. Determination of silicon content of perchloric acid dehydration gravimetric method; --- Part 4. Determination of chromium content of ammonium persulfate oxidation titration; --- Part 5. Determination of manganese content of sodium periodate (K) oxidation spectrophotometry; --- Part 6. Determination of iron content of titanium trichloride - potassium dichromate titration; --- Part 7. Determination of cobalt content nitroso R salt spectrophotometric method; --- Part 8. Determination of copper content Neocuproine - chloroform extraction spectrophotometric method; --- Part 9. Determination of copper content of sodium thiosulfate iodometry; --- Part 10. Determination of molybdenum content - Thiocyanate spectrophotometric method; --- Part 11. Determination of cinchonine gravimetric method tungsten content; --- Part 12. Determination of phosphorus content of n-butyl alcohol - chloroform extraction spectrophotometric method; --- Part 13. Determination of oxygen pulse heating inert gas fusion - infrared absorption method. This section is YS/T 539 Part 8. The partial replacement of YS/T 539.8-2006 "nickel-based alloy powder chemical analysis neocuproine - chloroform extraction photometric Determination of copper content. " This portion of YS/T 539.8-2006 with more significant changes are as follows. --- Increasing the foreword; --- Complements the repeatability limit. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is responsible for drafting unit. Beijing Nonferrous Metal Research Institute, China Nonferrous Metals Industry Institute of Standards and Metrology and Quality. This section is drafted. Beijing Nonferrous Metal Research Institute, Steel Research Institute. The main drafters of this section. Liu Fang, Lee Man Chi, Saline. This part of the standard replaces the previous editions are. --- GB/T 8638.8-1988; --- YS/T 539.8-2006. Nickel-based alloy powder chemical analysis Part 8. Determination of copper content Neocuproine - chloroform extraction photometric

1 Scope

YS/T 539 This part specifies the method for determination of nickel-base alloy powder of copper content. This section applies to the determination of nickel base alloy powder of copper content. Measuring range. 0.01% to 1%.

2 Method summary

The sample is dissolved by acid in the presence of citric acid, hydroxylamine hydrochloride to a reduction of the copper price in the range of pH 5 to 6, and neocuproine Copper forming insoluble complexes, extracted with chloroform, the absorbance was measured in a spectrophotometer at a wavelength of 456nm.

3 Reagents

Unless otherwise indicated in the analysis using only recognized as analytical grade reagents and distilled or deionized water or equivalent purity. 3.1 hydrochloride (ρ1.19g/mL). Nitrate 3.2 (ρ1.42g/mL). 3.3 perchloric acid (ρ1.67g/mL). 3.4 Hydrofluoric acid (ρ1.15g/mL). 3.5 ethanol. 3.6 chloroform. 3.7 HCl (1 + 1). 3.8 sodium citrate solution (300g/L). 3.9 hydroxylamine hydrochloride solution (100g/L). 3.10 neocuproine (2,9-dimethyl-1,10 phenanthroline) ethanol (1g/L). Weigh 1g neocuproine 1000mL dissolved in anhydrous Alcohol, stored in a brown bottle. 3.11 copper standard stock solution. Weigh 0.1000g copper (Cu≥99.99%) placed in 250mL beaker, add 20mL water, 10mL Nitric acid (3.2), cover sheet pan, heat gently to dissolve, add 5mL perchloric acid, and heating was continued to evaporate take perchlorate smoke, coolish, add water, dissolved salts, shift Into 1000mL volumetric flask, dilute with water to volume, and mix. This solution 1mL containing 100μg copper. 3.12 Copper standard solution. Pipette 50.00mL copper standard stock solution (3.11) into 500mL volumetric flask, dilute to the mark, mix uniform. This solution 1mL containing 10μg copper.

4 Instrument

Spectrophotometer. Step 5 Analysis 5.1 Sample Table 1 sample was weighed, accurate to 0.0001g. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 539.8-2024_English be delivered?

Answer: Upon your order, we will start to translate YS/T 539.8-2024_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 YS/T 539.8-2024_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 539.8-2024_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 YS/T 539.8-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 539.8-2024 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.