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RB011 - Benedict's qualitative reagent
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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: glucose, solutions
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PP085 - Using colorimetry to quantify reducing sugar concentrations
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This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve. 
words matched: glucose, solutions
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RB012 - Benedict's quantitative solution
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Guidance on how to prepare Benedict's quantitative solution. This is used for the quantitative analysis of reducing sugars. 
words matched: glucose, solutions
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GL106 - Visking tubing models of the gut; a comparison
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Describes the advantages and disadvantages of various Visking tubing practical activities intended to illustrate the workings of the gut. Suggests a range of solutions to problems identified.
words matched: glucose, solutions
Members only resource
GL107 - A Visking tubing model of the gut using invertase
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Provides detailed instructions for a simple practical which illustrates some of the working of the gut. Uses sucrose as the starting substrate and DNS reagent or glucose testing strips to identify the.. more
words matched: glucose, solutions
Members only resource
RB034 - 3,5-dinitrosalicylic acid (DNSA)
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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: glucose, solutions
Members only resource
PP011 - Testing for carbonyl compounds with Fehling's solution
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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: glucose, solutions
Members only resource
RB001 - Agar
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Basic recipe for making agar, with additional details for making a range of agars used in science practicals, but not including those used in microbiology. (See GL229 for those).
words matched: glucose, solutions
Members only resource
GL204 - Studying human saliva and urine
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Updated from section 14 of the CLEAPSS Handbook, this short guide describes how to safely collect, study and dispose of these two common human body fluids.
words matched: glucose, solutions
Members only resource
GL103 - A Visking tubing model of the gut using lactase
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Describes an alternative, yet simple, GCSE practical activity which models enzymes working in the gut, using milk and lactase. Uses commonly-available glucose testing strips to determine the course of.. more
words matched: glucose, solutions
Showing results 1 to 10 of 643
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