ISO 6557-2:1984

Fruits, vegetables and derived products -- Determination of ascorbic acid content -- Part 2: Routine methods

standard by International Organization for Standardization , 11/01/1984

Most Recent

This part of ISO 6557 specifies two routine methods for the determination of the ascorbic acid content¹⁾ of fruits, vegetables and derived products :

method A: 2,6-dichlorophenolindophenol titrimetric method;

method B : 2,6-dichlorophenolindophenol spectrometric method after extraction with xylene.

Method A can only be used in the absence of certain interferences (see 2.6).

Method B is applicable to derived fruit and vegetable products in strongly coloured solutions.

1) The ascorbic acid is determined as dehydroascorbic acid.

Device/OS:	Other
Browser:	Generic Browser 0.0
User Agent:	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Store Name:	css
Page:	/standards/iso-6557-2-1984?product_id=1034568
Referrer:	/redirect_global?sdo=ISO&doc_number=6557-2
IP:	3.22.70.9, 108.162.245.116
Language:	en
Customer #:	Not Logged In
Member?:	YES
Cart #:	1140541048
Order #:	None
Cookies:	NO
×