ISO 7408:1983 PDF

ISO 7408:1983 PDF

Name:
ISO 7408:1983 PDF

Published Date:
12/01/1983

Status:
Active

Description:

Fertilizers - Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method

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:
$16.2
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The method consists in entraining, by means of a strong current of air, of the ammonia from a moderately alkaline test mixture at ambient temperature into standard volumetric sulfuric acid solution, and back-titrating of the excess sulfuric acid solution with standard volumetric sodium hydroxide solution.


File Size : 1 file , 390 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 5
Published : 12/01/1983

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