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YS/T 536.7-2009 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 536.7-2009: Methods for chemical analysis of bismuth. Determination of arsenic content. Atomic fluorescence spectrometric method

YS/T 536.7: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 536.7-2009	209	Add to Cart	3 days	Methods for chemical analysis of bismuth. Determination of arsenic content. Atomic fluorescence spectrometric method
YS/T 536.7-2006	279	Add to Cart	3 days	Methods for chemical analysis of bismuth. Determination of arsenic content. Ion exchange separation-hydride generation-falme atomic absorption spectrophotometric method	Obsolete

Similar standards

GB/T 3884.2 GB/T 3884.1 YS/T 521.2 YS/T 536.14 YS/T 536.11 YS/T 536.10

Basic data

Standard ID: YS/T 536.7-2009 (YS/T536.7-2009)
Description (Translated English): Methods for chemical analysis of bismuth. Determination of arsenic content. Atomic fluorescence spectrometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.70
Word Count Estimation: 6,667
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 536.7-2006
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the determination of the amount of arsenic in bismuth. This standard applies to the determination of the amount of arsenic in bismuth. Measuring range (mass fraction): 0. 00003% to 0. 0012 %

YS/T 536.7-2009: Methods for chemical analysis of bismuth. Determination of arsenic content. Atomic fluorescence spectrometric 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 bismuth.Determination of arsenic content.Atomic fluorescence spectrometric method ICS 77.120.70 H13 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 536.7-2006 Methods for chemical analysis of bismuth Arsenic content - Atomic Fluorescence Spectrometry 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 536-2009 "Method for chemical analysis of bismuth" is divided into 13 parts. --- YS /536.1 Methods for chemical analysis of bismuth - Determination of copper content - Bis - acetaldehyde T oxalyl Spectrophotometric Method; --- YS/T 536.2 Methods for chemical analysis of bismuth - Determination of iron content by electrothermal atomic absorption spectrometry; --- YS/T 536.3 Methods for chemical analysis of bismuth - Determination of antimony content - Malachite green spectrophotometry; --- YS/T 536.4 Methods for chemical analysis of bismuth - Determination of silver content - Flame atomic absorption spectrometry and electrothermal atomic absorption spectrometry; --- YS/T 536.5 Methods for chemical analysis of bismuth - Determination of solid-liquid extraction of zinc content - Flame atomic absorption spectrometry; --- YS/T 536.6 Methods for chemical analysis of bismuth - Determination of lead content by electrothermal atomic absorption spectrometry; --- YS/T 536.7 Methods for chemical analysis of bismuth arsenic content - Atomic fluorescence spectrometry; --- YS/T 536.8 Methods for chemical analysis of bismuth chlorine measured amount of mercury thiocyanate spectrophotometry; --- YS/T 536.9 Methods for chemical analysis of bismuth - Determination of tellurium content of arsenic co-precipitation - oscillopolarographic method; --- YS/T 536.10 Methods for chemical analysis of bismuth - Determination of tin content of beryllium coprecipitation - spectrophotometry; --- YS/T 536.11 Methods for chemical analysis of bismuth mercury content - Atomic fluorescence spectrometry; --- Determination of YS/T 536.12 Methods for chemical analysis of nickel content of bismuth electrothermal atomic absorption spectrometry; --- YS/T 536.13 Methods for chemical analysis of bismuth - Determination of cadmium content by electrothermal atomic absorption spectrometry. This is Part 7. The partial replacement of YS/T 536.7-2006 (formerly GB/T 8220.7-1998) "Methods for chemical analysis of bismuth ion exchange separation - hydride Generation - flame atomic absorption spectrometry determination of arsenic content. " Compared with YS/T 536.7-2006, this section has the following changes. --- Replacement by atomic fluorescence spectrometry hydride generation - flame atomic absorption spectrometry; --- Complements the precision and quality assurance and control provisions. The non-ferrous metal part by the National Standardization Technical Committee and centralized. This section is Zhuzhou Smelter Group Co., Ltd. is responsible for drafting. This section was drafted by Shaanxi Dongling Smelting limited liability company. This section Central Lingnan Shaoguan smelter, Zhuzhou Smelter Group Co., Ltd. participated in the drafting. The main drafters of this section. Li Xue, when Ying Ping, Lan Jinbo. This part certifier. Hu rouge, Zhang Xiaojun, Zhang Dongguang, Lei Su letter. This part of the standard replaces the previous editions are. --- YS/T 536.7-2006. Methods for chemical analysis of bismuth Arsenic content - Atomic Fluorescence Spectrometry

1 Scope

This section provides the determination of bismuth in the amount of arsenic. This section applies to the determination of bismuth in the amount of arsenic. Measurement range (mass fraction). 0.00003% ~ 0.0012%.

2 Method summary

Sample was dissolved in nitric acid. In dilute nitric acid medium by cation exchange column separation of arsenic and the substrate, pre-reduction with ascorbic acid, In hydride generator, arsenic is reduced to potassium borohydride hydride with argon gas into the quartz furnace atomizer, and the atomic fluorescence spectrometer Measuring the fluorescence intensity of arsenic.

3 Reagents

3.1 commercially available reagents 3.1.1 nitrate (ρ1.42g/mL), pure class distinctions. 3.1.2 hydrochloric acid (ρ1.19g/mL), pure class distinctions. 3.2 solution 3.2.1 nitric acid (1 + 1). 3.2.2 nitric acid (1 + 40). 3.2.3 hydrochloric acid (1 + 1). 3.2.4 ascorbic acid solution (50g/L, the time is now equipped with). 3.2.5 Potassium iodide solution (500g/L, the time is now equipped with). 3.2.6 solution of potassium borohydride (15g/L). Weigh 15g of potassium borohydride solid was dissolved in 1000mL of potassium hydroxide (1g/L) solution with When existing service. 3.3 standard solution 3.3.1 arsenic standard stock solution. Weigh 0.1321g trioxide (arsenic trioxide mass fraction ≥99.9%, previously dry sulfuric acid 24h desiccator dried), was dissolved in 2mL solution of sodium hydroxide (50g/L), and with nitric acid (3.2.2) was transferred to 1000mL volumetric flask and dilute Explanation to the mark. Mix well. This solution 1mL containing 0.1mg arsenic. 3.3.2 arsenic standard solution. Pipette 5.00mL arsenic standard stock solution (3.3.1), placed in 1000mL volumetric flask, with nitric acid (3.2.2) Dilute to the mark. Mix well. This solution 1mL containing 0.5μg arsenic.

4 instruments and devices

4.1 cation exchange column. acid in 25mL buret with water previously charged by water immersion 24h, hydrochloric acid (5 + 95) soaking 4h, washed with water PH3 ~ pH4 to strong acid cation exchange resin 732 15mL (equivalent to 6g dry resin). 4.2 atomic fluorescence spectrometer, with a high-intensity arsenic hollow cathode lamp. Under optimum working conditions for those who can reach the following indicators can be used. Detection limit. not more than 1 × 10-9g/mL. Precision. with 0.1μg/mL solution of arsenic standard fluorescence intensity was measured 10 times, and the standard deviation should not exceed the average fluorescence intensity 5.0%. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 536.7-2009_English be delivered?

Answer: Upon your order, we will start to translate YS/T 536.7-2009_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 536.7-2009_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 536.7-2009_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 536.7-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 536.7-2009 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.