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ISO 5549:1978 PDF

ISO 5549:1978 PDF

Name:
ISO 5549:1978 PDF

Published Date:
06/01/1978

Status:
[ Withdrawn ]

Description:

Caseins and caseinates -- Determination of protein content (Reference 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:
$17.4
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Does not apply to caseins and caseinates containing ammonium caseinate or other ammonium compounds, or other nitrogenous nonprotein compounds. The principle of determination consists in digesting a test portion with a mixture of potassium sulphate and sulphuric acid, in the presence of copper(II) sulphate as catalyst, to convert organic nitrogen into ammoniacal nitrogen, distilling and absorbing the ammonia in boric acid solution, titrating with standard volumetric hydrochloric acid solution and multiplying the resualt by the factor 6.38.


File Size : 1 file , 730 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 3
Published : 06/01/1978
Same As : ISO 5549:1978

History

ISO 8968-1:2014
ISO 8968-1:2014
Published Date: 02/01/2014
Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation
$37.2
ISO 8968-2:2001
ISO 8968-2:2001
Published Date: 12/15/2001
Milk - Determination of nitrogen content - Part 2: Block-digestion method (Macro method)
$26.4
ISO 8968-1:2001
ISO 8968-1:2001
Published Date: 12/15/2001
Milk - Determination of nitrogen content - Part 1: Kjeldahl method
$29.7
ISO 5549:1978
ISO 5549:1978
Published Date: 06/01/1978
Caseins and caseinates -- Determination of protein content (Reference method)
$17.4

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