ISO 1388-8:1981 PDF

ISO 1388-8:1981 PDF

Name:
ISO 1388-8:1981 PDF

Published Date:
11/01/1981

Status:
Active

Description:

Ethanol for industrial use -- Methods of test -- Part 8 : Determination of methanol content (methanol contents between 0,10 and 1,50 % (V/V)) -- Visual colorimetric 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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The principle is based on the conversion of the methanol present in a test portion to formaldehyde by oxidation with a solution of potassium permanganate in phosphoric acid. Reaction of the formaldehyde formed with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of formaldehyde. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.


File Size : 1 file , 250 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 3
Published : 11/01/1981

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