GB/T 223.77-1994 English Version, GB/T 223.77-1994 Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of calcium content (English Version)

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GB/T 223.77-1994 Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of calcium content (English Version)
Standard No.:	GB/T 223.77-1994	Status:	valid remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	1000 words	Price(USD):	90.0 remind me the price change Email:
Implemented on:	1994-10-1	Delivery:	via email in 1 business day

Standard No.:	GB/T 223.77-1994
English Name:	Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of calcium content
Chinese Name:	钢铁及合金化学分析方法火焰原子吸收光谱法测定钙量
Chinese Classification:	H11 Steel and iron alloy analysis method
Professional Classification:	GB National Standard
Issued by:	SAC
Issued on:	1994-1-17
Implemented on:	1994-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	1000 words
Price(USD):	90.0
Delivery:	via email in 1 business day

GB/T 223.77-1994 is referred in:

* JB/T 4385.1-1999 General specifications for open die forgings on hammer
* GB/T 28417-2012 Carbon bearing steel
* NB/T 47018.5-2011 Technical permission of welding materials for pressure equipment - Part 5: Stainless steel strip electrodes and fluxes for overlay welding
* GB 713-2014 Steel plates for boilers and pressure vessels
* GB/T 8731-2008 Free-cutting structural steel
* TB/T 3010-2001 Ordering Technical Specifications for High-carbon Chromium Bearing Steel of Rolling Bearings for Railway Vehicle
*GB/T 18254-2016 High-carbon chromium bearing steel
*GB/T 18579-2019 High-carbon chromium bearing steel wires

Standard

GB/T 223.77-1994 Methods for chemical analysis of iron, steel and alloy The flame atomic absorption spectrometric method for the determination of calcium content (English Version)
Standard No.	GB/T 223.77-1994
Status	valid
Language	English
File Format	PDF
Word Count	1000 words
Price(USD)	90.0
Implemented on	1994-10-1
Delivery	via email in 1 business day

Detail of GB/T 223.77-1994

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Introduction of GB/T 223.77-1994

1 Subject Content and Application Scope This Standard specifies a flame atomic absorption spectrometric method for the determination of the calcium content. This Standard is applicable to the determination of calcium content in cast iron, carbon steel, alloy steel and high temperature alloy. Determination range: 0.0005%~0.010%. 2 Principle The sample is dissolved with hydrochloric acid and nitric acid, add strontium dichloride as interference rejection agent, spray the sample solution into nitrous oxide - acetylene flame, apply calcium hollow cathode lamp as the light source and measure the absorbance at the wavelength 422.7 nm of atomic absorption spectrometer.

Contents of GB/T 223.77-1994

1 Subject Content and Application Scope 2 Principle 3 Reagent 4 Apparatus 5 Analytical Procedures 6 Calculation of Analysis Results 7 Precision Additional Explanations:

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