Knowledge Center Catalog

Co-determination of sodium metabisulfite and starch in corn syrup by flow injection coulometry (Record no. 61970)

MARC details
000 -LEADER
fixed length control field 02448nab a22003737a 4500
001 - CONTROL NUMBER
control field 61970
003 - CONTROL NUMBER IDENTIFIER
control field MX-TxCIM
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20200601164855.0
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 180103s1994 ne |||p|op||| 00| 0 eng d
022 ## - INTERNATIONAL STANDARD SERIAL NUMBER
International Standard Serial Number 0039-9140
024 8# - OTHER STANDARD IDENTIFIER
Standard number or code https://doi.org/10.1016/0039-9140(94)80165-7
040 ## - CATALOGING SOURCE
Original cataloging agency MX-TxCIM
041 ## - LANGUAGE CODE
Language code of text/sound track or separate title eng
100 1# - MAIN ENTRY--PERSONAL NAME
9 (RLIN) 13563
Personal name Taylor, R.H.
245 10 - TITLE STATEMENT
Title Co-determination of sodium metabisulfite and starch in corn syrup by flow injection coulometry
260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)
Place of publication, distribution, etc. Amsterdam (Netherlands) :
Name of publisher, distributor, etc. Elsevier,
Date of publication, distribution, etc. 1994.
500 ## - GENERAL NOTE
General note Peer review
520 ## - SUMMARY, ETC.
Summary, etc. During the processing of corn syrup for commercial use, starch, in the form of α -amylose, must be completely broken down to its D -glucopyranose units. Sodium metabisulfite is added to the corn syrup as a preservative. Flow Injection Coulometry was used to perform an automated assay of these analytes, both individually and jointly. The sodium metabisulfite concentration, over a range of 3.5 × 10−4−2.9 × 10−2M, is determined by coulometric flow injection titration with generated iodine, using spectrophotometric endpoint detection at 530 nm. Analysis over this range produced a relative standard deviation of < 1.5% and was found to correlate very well with manual titrations. The determination was performed in the presence of varying amounts of starch, and was found to be independent of the starch concentration. Starch was determined, when no sodium metabisulfite was present, from the absorbance level after the reaction of the sample with a specific amount of iodine. In the presence of sodium metabisulfite, the rate of the accumulation of the starch/iodine interaction product after the metabisulfite titration endpoint, at a constant reagent generation rate, was used. A relative standard deviation of < 1.4% was obtained for all starch analyses, with a very good correlation (correlation coefficients ⪖0.997) with the known relative concentration. The use of the FIC technique to perform analyses by specific amount and excess reagent generation is demonstrated, along with dual analyte determination.
546 ## - LANGUAGE NOTE
Language note Text in English
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 13564
Topical term or geographic name as entry element High fructose corn syrup
Source of heading or term AGROVOC
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 5810
Topical term or geographic name as entry element Starch
Source of heading or term AGROVOC
650 #7 - SUBJECT ADDED ENTRY--TOPICAL TERM
9 (RLIN) 13565
Topical term or geographic name as entry element Preservatives
Source of heading or term AGROVOC
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 13566
Personal name Rotermund, J.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 13567
Personal name Christian, G.D.
700 1# - ADDED ENTRY--PERSONAL NAME
9 (RLIN) 13568
Personal name Ruzicka, J.
773 0# - HOST ITEM ENTRY
Related parts v. 41, no. 1, p. 31-38
Title Talanta
International Standard Serial Number 0039-9140
Place, publisher, and date of publication Amsterdam (Netherlands) : Elsevier, 1994.
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme Dewey Decimal Classification
Koha item type Article
Suppress in OPAC No
Holdings
Date last seen Total Checkouts Price effective from Koha item type Lost status Source of classification or shelving scheme Damaged status Not for loan Collection code Withdrawn status Home library Current library Date acquired
05/28/2020   05/28/2020 Article Not Lost Dewey Decimal Classification     Reprints Collection   CIMMYT Knowledge Center: John Woolston Library CIMMYT Knowledge Center: John Woolston Library 05/28/2020

International Maize and Wheat Improvement Center (CIMMYT) © Copyright 2021.
Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
If you have any question, please contact us at
CIMMYT-Knowledge-Center@cgiar.org