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Chemical test for Tragacanth
Chemical test for Tragacanth Organoleptic test: Appearance: Crystalline tragacanth Colour: White or faint yellow tragacanth Odour: None tragacanth Taste: Mucilaginous tragacanth Solubility: Insoluble in alcohol, partially soluble in water tragacanth Chemical test: SI.No. Test Observation Inference 1. To 4ml of 0.5%w/v solution add 0.5ml of HCl and heat for 30minutes on water bath Divide the hydrolyzed product in 2 parts a) 1 st part=Add 1.5ml of NaOH solution to neutralize and add Fehling’s solution A and B in equal quantities(mixed before) and warm over water bath. b) 2 nd part= Add barium chloride solution Red ppt o
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