BS-ISO-22962-2008.pdf
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1、BRITISH STANDARD BS ISO 22962:2008 Titanium and titanium alloys Determination of iron Inductively coupled plasma atomic emission spectrometry ICS 77.120.50 ? Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resal
2、e, 08/14/2008 22:29:48 MDTNo reproduction or networking permitted without license from IHS -,-,- BS ISO 22962:2008 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008 ISBN 978 0 580 57635 5 National foreword This British Stan
3、dard is the UK implementation of ISO 22962:2008. The UK participation in its preparation was entrusted to Technical Committee NFE/35, Light metals and their alloys. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to
4、 include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments/corrigenda issued since publication DateComments Copyright British Standards Institution Provided by IH
5、S under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:29:48 MDTNo reproduction or networking permitted without license from IHS -,-,- Reference number ISO 22962:2008(E) INTERNATIONAL STANDARD ISO 22962 First edition 2008-01-15 Titanium and titanium
6、alloys Determination of iron Inductively coupled plasma atomic emission spectrometry Titane et alliages de titane Dosage du fer Spectromtrie dmission atomique par plasma couplage inductif BS ISO 22962:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled
7、Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:29:48 MDTNo reproduction or networking permitted without license from IHS -,-,- ii Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2
8、008 22:29:48 MDTNo reproduction or networking permitted without license from IHS -,-,- iii Contents Page Foreword iv 1 Scope . 1 2 Normative references. 1 3 Principle. 1 4 Reagents 1 5 Apparatus 3 6 Sample . 3 7 Procedure 3 8 Expression of result . 7 9 Precision 8 Bibliography. 9 BS ISO 22962:2008 C
9、opyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:29:48 MDTNo reproduction or networking permitted without license from IHS -,-,- iv Foreword ISO (the International Organization for Standardiz
10、ation) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be
11、 represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standar
12、ds are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Intern
13、ational Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 22962 wa
14、s prepared by Technical Committee ISO/TC 79, Light metals and their alloys, Subcommittee SC 11, Titanium. BS ISO 22962:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:29:48 MDTNo repro
15、duction or networking permitted without license from IHS -,-,- 1 Titanium and titanium alloys Determination of iron Inductively coupled plasma atomic emission spectrometry 1 Scope This International Standard specifies an inductively coupled plasma atomic emission spectrometric method for the determi
16、nation of the mass fraction of iron in titanium and titanium alloys. The method is applicable to titanium and titanium alloys with a mass fraction of iron in the range from 0,01 % to 3,0 %. 2 Normative references The following referenced documents are indispensable for the application of this docume
17、nt. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 384:1978, Laboratory glassware Principles of design and construction of volumetric glassware ISO 648:1), Laboratory glassware Single
18、 volume pipettes ISO 1042:1998, Laboratory glassware One-mark volumetric flasks ISO 3696:1987, Water for analytical laboratory use Specifications and test methods ISO 4787:1984, Laboratory glassware Volumetric glassware Methods for use and testing of capacity 3 Principle Dissolve the test portion in
19、 nitric acid and hydrofluoric acid, or sulfuric acid and hydrofluoric acid. Determine the iron concentration in the test portion using an inductively coupled plasma (ICP)-atomic emission spectrometer. 4 Reagents 4.1 General During the analysis, use only reagents of recognized analytical grade and wa
20、ter that complies with grade 2 of ISO 3696. 1) To be published. (Revision of ISO 648:1977) BS ISO 22962:2008 Copyright British Standards Institution Provided by IHS under license with BSI - Uncontrolled Copy Licensee=Boeing Co/5910770001 Not for Resale, 08/14/2008 22:29:48 MDTNo reproduction or netw
21、orking permitted without license from IHS -,-,- 2 4.2 Hydrochloric acid (1+ +1) Add slowly 500 ml of hydrochloric acid (20 1,16 g/ml to 1,19 g/ml) to 500 ml of water (4.1). 4.3 Nitric acid (20 1,42 g/ml) 4.4 Nitric acid (1+ +1) Add slowly 500 ml of nitric acid (20 1,42 g/ml) to 500 ml of water. 4.5
22、Hydrofluoric acid (1+ +1) Add, carefully and slowly, 100 ml of hydrofluoric acid (20 1,14 g/ml) to 100 ml of water. 4.6 Sulfuric acid (1+ +1) Add slowly 500 ml of sulfuric acid (20 1,84 g/ml) to 500 ml of water, while stirring and cooling. 4.7 Sulfuric acid (1+ +3) Add slowly 100 ml of sulfuric acid
23、 (20 1,84 g/ml) to 300 ml of water, while stirring and cooling. 4.8 Titanium Minimum purity 99 % (mass fraction), the mass fraction of iron is as low as possible and already known. If the mass fraction of iron is unknown, it should be determined by the mass fraction of iron in ISO 22960. 4.9 Cobalt
24、solution (1 mg Co/ml) Weigh 1,00 g of cobalt metal minimum purity 99,5 % (mass fraction) into a 300 ml beaker, heat and decompose with 40 ml of nitric acid (4.4). After cooling, transfer to a 1 000 ml volumetric flask, make up to the mark with water and mix. 4.10 Yttrium solution (1 mg Y/ml) Weigh 1
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