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Orthoboric acid

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Potassium dichromate

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Potassium carbonate

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Silica gel

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(±)-1,2-Propanediol

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Sodium thiosulphate pentahydrate

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Iodine 0.05 mol/l (0.1 N) in aqueous solution

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Toluene

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Petroleum spirit, 40…60 °C

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Oxalic acid dihydrate

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Bromothymol blue

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Sodium hydroxide 1 mol/l (1 N) in aqueous solution

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Sodium thiosulphate 0.1 mol/l (0.1 N) in aqueous solution

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tert-Butyl methyl ether

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Ethanol absolute

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TRIS HCl (tris(hydroxymethyl)aminomethane hydrochloride)

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Bis(2-hydroxyethyl)amino tris(hydroxymethyl)methane (BIS-TRIS)

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Polypropylene glycol, M.W. 420

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This quartz wool is ideal for elementary analysis, as a final stopper in chromatography columns or as a filter aid.

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Hydrochloric acid 30%

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Sulphur

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Potassium iodide

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Saponin

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tri-Calcium phosphate

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Silica gel

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Crystal violet

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Neutral red

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Ammonium acetate

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Polyethylene glycol 2,000

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For the detection of aldehydes in the range of ppm.
Fuchsine sulphurous acid