GB/T 23273.5-2009 English PDF

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GB/T 23273.5-2009: Methods for chemical analysis of cobalt oxalate -- Part 5: Determination of calcium, magnesium and sodium content -- Flame atomic absorption spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23273.5-2009	139	Add to Cart	3 days	Methods for chemical analysis of cobalt oxalate -- Part 5: Determination of calcium, magnesium and sodium content -- Flame atomic absorption spectrometry	Valid

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Basic data

Standard ID: GB/T 23273.5-2009 (GB/T23273.5-2009)
Description (Translated English): Methods for chemical analysis of cobalt oxalate -- Part 5: Determination of calcium, magnesium and sodium content -- Flame atomic absorption spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H13
Classification of International Standard: 77.120.70
Word Count Estimation: 6,628
Date of Issue: 2009-01-15
Date of Implementation: 2009-11-01
Regulation (derived from): National Standard Approval Announcement 2009 No.2 (Total No.142)
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 cobalt oxalate calcium, determination of sodium content, magnesium. This section applies to calcium oxalate cobalt, determination of sodium content, magnesium. Measuring range: 0. 001% to 0. 01% calcium, 0. 001% to 0. 01% magnesium, 0. 001% to 0. 01% sodium.

GB/T 23273.5-2009: Methods for chemical analysis of cobalt oxalate -- Part 5: Determination of calcium, magnesium and sodium content -- Flame atomic absorption 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 cobalt oxalate Part 5. Determination of calcium, magnesium and sodium content Flame atomic absorption spectrometry ICS 77.120.70 H13 National Standards of People's Republic of China Methods for chemical analysis of cobalt oxalate Part 5. calcium, magnesium, sodium content determination Flame Atomic Absorption Spectrometry Posted 2009-01-15 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 23273 "Methods for chemical analysis of cobalt oxalate" a total of eight sections. --- Part 1. Determination of cobalt content by potentiometric titration --- Part 2. Determination of lead content of electrothermal atomic absorption spectrometry --- Part 3. Determination of arsenic content by hydride generation - atomic fluorescence spectrometry --- Part 4. Determination of silicon content - Molybdenum blue spectrophotometric method --- Part 5. calcium, magnesium, sodium content - Flame Atomic Absorption Spectrometry --- Part 6. Determination of the amount of chloride ion selective electrode method --- Part 7. Determination of sulfate ion content of combustion - iodometric method --- Part 8. nickel, copper, iron, zinc, aluminum, manganese, lead, arsenic, calcium, magnesium, sodium content - Inductively coupled plasma atomic emission spectrometry This is Part 5. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee. This section is responsible for drafting Jinchuan Group Limited. This in part by the Beijing General Research Institute of Mining and Metallurgy, Changsha Research Institute of Mining participated in the drafting. The main drafters of this section. Zhang Zhi hair, dry Yong, Zhao Quanmin, Lv Qingcheng, Lixi Kai, Lin Hsiu-ying, seeking Tao Jiang, Yang Lin, Li Yuru. 3.9 Sodium standard stock solution. Weigh 0.2542g sodium chloride (reference reagent, pre-burning after 550 ℃ to constant weight, and cooled in a dryer To room temperature) was placed in 150mL beaker, add water to dissolve moved 1000mL volumetric flask, transferred to the water volume plastic bottle, this solution 1mL containing 0.1mg sodium. 3.10 Sodium standard solution. Pipette 10.00mL sodium standard stock solution (3.9) in 200mL flask, constant volume of water. This solution 1mL containing 5μg sodium. ......

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