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Illustrated guidance on preparing bacterial slides and then gram staining them to discern gram positive and gram negative examples.
words matched: gram-positive

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Guidance on preparing the stains needed for gram staining - to distinguish between Gram-positive and Gram-negative bacteria.
words matched: gram-positive

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The positive ions aluminium (Al3+), potassium (K+), lead(II) (Pb2+) and ammonia (NH4+) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions wit.. more
words matched: gram-positive

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The metal ions cobalt(II), copper(II), iron(II) and iron(III) can be tested for with simple test tube reactions. These tests are more specific than precipitation reactions with sodium hydroxide soluti.. more
words matched: gram-positive

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Guidance on the preparation of reagents used to test for the presence of cations. This Recipe only includes those reagents that are not covered by other Recipe Sheets.
words matched: gram-positive

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Testing for positive ions: reactions with hydroxides and ammonia. This microscale practical is carried out on a worksheet that is laminated or placed in a plastic wallet. The method minimises the use .. more
words matched: gram-positive

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- A positive editorial- New arrangement for re-newing membership- Sterilising with pressure cookers- A 'world' without technicians- Updated method for the howling Jelly Baby- Making and disposing of n.. more
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Outlines the most common cultures of bacteria and fungi used in microbiology, and how to store cultures.
words matched: gram-positive

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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: gram-positive

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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: gram-positive

Showing results 1 to 10 of 136
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