YS/T 710.1-2009 English PDF

US$139.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
YS/T 710.1-2009: Method for chemical analysis of cobalt oxide. Part 1: Determination of cobalt content. Potentiometric method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 710.1-2009	139	Add to Cart	3 days	Method for chemical analysis of cobalt oxide. Part 1: Determination of cobalt content. Potentiometric method	Valid

Similar standards

GB/T 3884.2   GB/T 3884.1   YS/T 710.6   YS/T 710.3   YS/T 710.4   YS/T 710.2   

Basic data

Standard ID: YS/T 710.1-2009 (YS/T710.1-2009)
Description (Translated English): Method for chemical analysis of cobalt oxide. Part 1: Determination of cobalt content. Potentiometric method
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.70
Word Count Estimation: 5,537
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 256-2000
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies: Determination of cobalt content Cobalt Oxide. This standard applies to the amount of cobalt oxide, cobalt measured. Measuring range: 65. 00 % 75. 00%.

YS/T 710.1-2009: Method for chemical analysis of cobalt oxide. Part 1: Determination of cobalt content. Potentiometric 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.
Method for chemical analysis of cobalt oxide.Part 1. Determination of cobalt content.Potentiometric method ICS 77.120.70 H13 People's Republic of China Nonferrous Metals Industry Standard Methods for chemical analysis of cobalt oxide Part 1. Determination of cobalt content Potentiometric titration 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 710 "cobalt oxide chemical analysis method" is divided into six sections. --- Part 1. Determination of cobalt content potentiometric titration; --- Part 2. Determination of sodium content by flame atomic absorption spectrometry; --- Part 3. Determination of the amount of sulfur by high frequency combustion infrared absorption method; --- Part 4. Determination of arsenic content by atomic fluorescence spectrometry; --- Part 5. Determination of silicon content - Molybdenum blue spectrophotometric method; --- Part 6. calcium, cadmium, copper, iron, magnesium, manganese, nickel, lead and zinc content - Inductively coupled plasma atomic emission spectrometry. This section YS/T Part 1 710. The partial replacement of YS/T 256-2000 "cobalt oxide" in Appendix A. Compared with YS/T 256-2000 "cobalt oxide" in Appendix A, this section The main changes are as follows. --- Potentiometric titration of cobalt potassium nitrite alternative gravimetric method; --- 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 responsible for drafting unit. Zhuzhou Smelter Group Co., Ltd. This section is drafted. Ganzhou cobalt tungsten limited liability company. Participated in the drafting of this section. Zhejiang Galico Cobalt Nickel Materials Co., Ltd. Zhejiang Huayou Cobalt. The main drafters of this section. Wan Jianhong, Li Neng Hua, Xiang Xiu, Chen Bin, Lai Cheng Long, Lee Man Fong, Xie Bohua, Zhou Liang, Huang Xiaoting. Methods for chemical analysis of cobalt oxide Part 1. Determination of cobalt content Potentiometric titration

1 Scope

YS/T of the provisions of section 710 of the method for the determination of the amount of cobalt oxide cobalt. This section applies to the determination of cobalt content of cobalt oxide. Measurement range. 65.00% - 75.00%.

2 Method summary

Ammonia solution, the standard solution of potassium cyanide with iron cobalt (Ⅱ) is oxidized to cobalt (Ⅲ), impurity manganese (Ⅱ) is quantitatively the presence of potassium ferricyanide Oxidation of manganese (Ⅲ), excess potassium ferricyanide and then back titration cobalt standard solution, the potential jump to reach the end. The results for the amount of cobalt, cobalt and manganese together After the calculated amount of manganese minus factor correction. Manganese Determination result is less than 0.10%, the amount of cobalt results without considering the impact of manganese content factors.

3 Reagents

3.1 commercially available reagents 3.1.1 hydrochloric acid (ρ1.19g/mL). 3.1.2 nitrate (ρ1.42g/mL). 3.1.3 perchloric acid (ρ1.62g/mL). 3.1.4 ammonium chloride. 3.2 solution Ammonia - ammonium citrate mixture. Weigh 50g of ammonium citrate is dissolved in water, aqueous ammonia added 350mL (ρ0.90g/mL), water volume To 1000mL, shake well and set aside. 3.3 standard solution 3.3.1 Cobalt standard solution. Weigh accurately pure cobalt metal (cobalt content ≥99.99%) 3.0000g placed in 400mL beaker was slowly Added 30mL (1 + 1) nitric acid, low dissolved by heating, blowing a small amount of boiling water, after cooling transferred to 1000mL volumetric flask with water to volume, shake uniform. This standard solution 1mL containing 3.0mg of cobalt. 3.3.2 ferricyanide standard solution (Ba [K3Fe (CN) 6] ≈0.05mol/L). Weigh 17g of potassium ferricyanide dissolved in water, filtered water Dilute to 1000mL, shake, stored in a brown bottle and set aside. 3.3.3 Calibration standard solution of potassium ferricyanide. 5g of ammonium chloride (3.1.4) in a 250mL beaker, acid burette accurate pipetting 20.00mL ferricyanide standard solution (3.3.2), was added 80mL ammonia - a mixture of ammonium citrate (3.2), in the automatic potentiometric titrator Titrated with cobalt standard solution (3.3.1), the potential jump to reach the end. Parallel determination three times within an allowable tolerance range averaged. Volume according to equation (1) calculate the standard solution of potassium ferricyanide of cobalt ratio (K). K = Vp V0 (1) Where. Volume consumed Vp --- cobalt standard solution titration, in milliliters (mL); V0 --- adding iron potassium cyanide standard solution volume, in milliliters (mL). 3 Titration consumes cobalt standard solution is not greater than the volume of the poor 0.10mL. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of YS/T 710.1-2009_English be delivered?

Answer: Upon your order, we will start to translate YS/T 710.1-2009_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 710.1-2009_English with my colleagues?

Answer: Yes. The purchased PDF of YS/T 710.1-2009_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.