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Risk assessment information for barium compounds including barium oxide, hydrated barium hydroxide, barium sulfate(VI) and barium diphenylamine sulfonate.
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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
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Brief risk assessment guidance and experimental notes for a range of activities involving ammonium salts (Hazcards 9A and 9B).
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An index to all the chemicals included in the 2016 Edition Hazcards and later updates. Includes Hazcard numbers and Recipe references.
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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
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The common negative ions, carbonate (CO32-), sulfate(VI) (SO42-) and the halides (Cl–, Br– and I–) can be simply tested for in test tube reactions. The method described here uses a more dilute ammo.. more
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Complete index for the Student Safety Sheets
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With careful supervision, students can carry a simple distillation to separate a pure substance (water) from a solution (copper(II) sulfate). This can be achieved by using a side-arm boiling tube inst.. more
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Please note: This is a temporary resource containing the model risk assessment information and experimental points as they appeared on the reverse sides of the final edition of the CHIP Hazcards. This.. more
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Qualitative analysis is included in most science and chemistry courses across the 11-19 age range. This guide gives a summary/overview of the currently available CLEAPSS resources that provide detaile.. more
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