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ISO 760:1978 PDF

ISO 760:1978 PDF

Name:
ISO 760:1978 PDF

Published Date:
12/01/1978

Status:
Active

Description:

Determination of water -- Karl Fischer method (General method)

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$24.3
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Two methods of titration depending on whether the end point is detected visually or electrometrically are specified. The visual method is only applicable to colourless solutions but can be used when no electrometric apparatus is available. The electrometric method, whether by direct titration or back-titration, is the more accurate one and for this reason recommended. The principle of the test consists in reaction of any water present in a test portion with a solution of iodine and sulphur dioxide in a pyridine/methanol mixture (Karl Fischer reagent), previously standardized by titration with an exactly known mass of water.


File Size : 1 file , 900 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 12
Published : 12/01/1978

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