ComplianceOnline

Fruits, vegetables and derived products -- Determination of benzoic acid content -- Spectrophotometric method


Document Number: ISO 5518:1978
File Size: 868 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $35.00
Product Details

The method consists in homogenizing the product, followed by dilution and acidification of a test portion, extraction of the acid by diethyl ether, then alkaline re-extraction of this acid and purifying by oxidation using acidified potassium dichromate, determination of the acid with a suitable spectrophotometer. The method cannot be applied in the presence of p-chlorobenzoic acid and cinnamic acid, respectively.

Product Reviews

This product hasn't received any reviews yet. Be the first to review this product! Write review

Best Sellers
You Recently Viewed
    Loading
Loading...