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ISO 10702:1993 PDF

ISO 10702:1993 PDF

Name:
ISO 10702:1993 PDF

Published Date:
07/01/1993

Status:
Active

Description:

Steel and iron - Determination of nitrogen content - Titrimetric method after distillation

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Choose Document Language:
$24.3
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The principle of the method specified is dissolving a test portion in hydrochloric acid followed by oxidation with hydrogen peroxide, fuming of the acid-insoluble residue in sulfuric acid with potassium sulfate and copper(II) sulfate, distilling the solution made alkaline with sodium hydroxide, collecting ammonia in a receiver containing orthoboric acid solution, titration of the ammonium ion with amidosulfuric acid. Is applicable to nitrogen contents from 0,002 % (m/m) to 0,5 % (m/m); does not apply to samples containing silicon nitride.


File Size : 1 file , 650 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 9
Published : 07/01/1993

History

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