CLEAPSS Supporting practical science and technology
CLEAPSS Resources
Latest Resources
Search For:
Showing results 1 to 10 of 195
1 234

Members only resource Click to download Document.
Guidance on how to prepare and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
words matched: benedict, reagent

Members only resource Click to download Document.
This protocol explores the effects of different carbohydrase enzymes on a range of carbohydrates of varying molecular size by measuring the resulting concentrations of reducing sugars using a colorime.. more
words matched: benedict, reagent

Members only resource Click to download Document.
A simple method for identifying reducing sugars using chromatography. The reducing sugars need to be stained with Benedict’s reagent to reveal the spots after the run.
words matched: benedict, reagent

Members only resource Click to download Document.
Guidance on how to prepare Sandell's solution. This reagent may be used to test for aldehydes and is a safer alternative to Fehling's for testing for reducing sugars.
words matched: benedict, reagent

Members only resource Click to download Document.
Guidance on how to prepare Benedict’s qualitative solution. This is used to qualitatively test for reducing sugars e.g. glucose, via a colour change.
words matched: benedict, reagent

Members only resource Click to download Document.
Guidance on how to prepare Benedict's quantitative solution. This is used for the quantitative analysis of reducing sugars. 
words matched: benedict, reagent

Members only resource Click to download Document.
This document explains how to carry out a circus of qualitative food tests for:carbohydratesstarch – iodine testreducing sugars - Benedict’s testnon-reducing sugars – hydrolysis then Benedict’s test p.. more
words matched: benedict, reagent

Members only resource Click to download Document.
Index to currently published guidance on the preparation of specific solutions and other reagents. Includes a summary Contents List giving the dates of the most recent versions of recipes. Note: this .. more
words matched: benedict, reagent

Members only resource Click to download Document.
Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes give a positive test (formation of an orange to brick-red precipitate of copper(I) oxide) with Fehling’.. more
words matched: benedict, reagent

Members only resource Click to download Document.
Although both aldehydes and ketones contain the carbonyl functional group (-C=O), only aldehydes (or reducing sugars) give a positive ‘silver mirror’ test result with Tollen’s reagent. This small-scal.. more
words matched: benedict, reagent

Showing results 1 to 10 of 195
1 234