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Guidance on how to prepare sodium carbonate.
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Using sodium and calcium (and potassium and magnesium) carbonates safely in practical work. Includes bicarbonates (also known as hydrogencarbonates). 
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Guidance on how to prepare (and use) a number of standard solutions required for some titration activities. Solutions described include: sodium carbonate (for standardising strong acid solutions), pot.. more
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Small-scale method for determining mass change when sodium hydrogen carbonate decomposes. The method uses a mini spirit burner and an alternative 'crucible' and generates reliable results for quantita.. more
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Risk assessment guidance for Sodium and potassium salts (1)
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Risk assessment guidance for barium metal, barium carbonate and barium chloride.
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Guidance on how to prepare potassium metabisulfite and sodium metabisulfite solutions.
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Risk assessment information for sodium and potassium metabisulfites, bisulfites and sulphites.
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Guidance on how to prepare sodium hydrogencarbonate.
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The Landolt method (potassium iodate(V) and sodium metabisulfite) was the first iodine clock reaction described, and can be used for a simple two-reagent investigation.
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