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ISO 1388-8:1981, 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 | 
 enlarge | Author: Iso Tc 47
Publisher: Multiple. Distributed through American National Standards Institute (ANSI)
Category: Book
Buy New: $48.00
Media: Paperback
Pages: 24
Shipping Weight (lbs): 0.2
Dimensions (in): 10.5 x 8.3 x 0.1
ASIN: B000XYTHMK
Publication Date: August 23, 2007
Shipping: Eligible for Super Saver Shipping
Availability: Usually ships in 24 hours
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Product Description
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. This title may contain less than 24 pages of technical content.
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