Potassium thiocyanate, KSCN(aq), 0.2 mol dm –3 – see CLEAPSS Hazcard HC095A and CLEAPSS Recipe Book RB122.Potassium manganate(VII), 0.01 mol dm –3 – see CLEAPSS Hazcard HC081 and CLEAPSS Recipe Book RB073.Iron(III) nitrate, Fe(NO 3) 3.9H 2O(aq), 0.2 mol dm –3 – see CLEAPSS Hazcard HC055C and CLEAPSS Recipe Book RB052.Iron(II) sulfate, FeSO 4.7H 2O(aq), 0.2 mol dm –3 – see CLEAPSS Hazcard HC055B and CLEAPSS Recipe Book RB051.Hydrochloric acid, HCl(aq), 1 mol dm –3 – see CLEAPSS Hazcard HC047a and CLEAPSS Recipe Book RB043.Sodium sulfate, Na 2SO 3(aq), 0.5 mol dm –3 – see CLEAPSS Hazcard HC098B and CLEAPSS Recipe Book RB107.Barium nitrate, Ba(NO 3) 2(aq), 0.2 mol dm –3 – see CLEAPSS Hazcard HC011 and CLEAPSS Recipe Book RB010.The following chemicals are all of low hazard:.See CLEAPSS Hazcard HC027c and CLEAPSS Recipe Book RB031. Copper(II) sulfate solution, CuSO 4(aq), 0.2 mol dm –3 causes eye damage and is HAZARDOUS to the aquatic environment.See CLEAPSS Hazcard HC091a and CLEAPSS Recipe Book RB085. Sodium hydroxide solution, NaOH(aq), 1 mol dm –3 is corrosive.Ammonium vanadate(V), NH 4VO 3, 0.2 mol dm –3 (acidified with sulfuric acid) is a mutagen and extremely toxic if inhaled – but not by any other route.See CLEAPSS Hazcard HC006 and CLEAPSS Recipe Book RB006. Ammonia solution, NH 3(aq), 3 mol dm –3 is CORROSIVE.See CLEAPSS Hazcard HC057a and CLEAPSS Recipe Book RB053. Lead nitrate, Pb(NO 3) 2(aq), 0.5 mol dm –3 is a reproductive toxin, causes eye damage, causes damage to organs (especially the CNS) and is harmful to the aquatic environment.See CLEAPSS Hazcard HC087 and CLEAPSS Recipe Book RB077. Keep separate from organic waste containers. Silver nitrate, AgNO 3(aq), 0.1 mol dm –3 is an eye irritant.Wear eye protection throughout (splash-resistant goggles to BS EN166 3).Read our standard health and safety guidance.Potassium manganate(VII), 0.01 mol dm –3.Ammonium vanadate(V), 0.2 mol dm –3 (acidified with sulfuric acid).See the accompanying guidance on apparatus and techniques for microscale chemistry, which includes instructions for preparing a variety of solutions. Solutions should be contained in plastic pipettes. RSC Yusuf Hamied Inspirational Science Programme.Introductory maths for higher education.The physics of restoration and conservation.
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