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Guidance on the preparation of Benedict’s qualitative solution. This is used to qualitatively test for reducing sugars e.g. glucose, via a colour change
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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
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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.
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This provides an opportunity to develop and practice colorimetric techniques, and to plot a calibration curve. 
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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
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Risk assessment guidance for carbohydrates including various sugars, cellulose and dextrin.
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Guidance for the preparation and use of DNSA (or DNS) reagent for reducing sugars. The reagent may be used qualitatively or quantitatively (colorimetric method).
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Guidance on the preparation of Benedict's quantitative solution. This is used for the quantitative analysis of reducing sugars. 
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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.)
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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.
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Showing results 1 to 10 of 41
1 2345