colophony.pptx
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This document discusses the properties and uses of two substances: Colophony, which is the dried residue from distilling pine trees and contains abietic acid and volatile oil. It is insoluble in water but soluble in chloroform and ethanol. Colophony is used as a stimulant, diuretic, and in products like ointments, plasters, varnishes, paints, printing inks, and floor coverings. Myrrh is an oleo gum resin obtained from the stems and branches of the Commiphora myrrha tree. It contains volatile oil, resins, gum, and bitter principles. Myrrh forms a yellowish brown emulsion and gives purpl
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colophony.pptx
- 1. RESIN – COLOPHONY – THE DRIED RESIDUE LEFT AFTER DISTILLATION THE VOLATILE OIL FROM THE OLEO – RESIN OBTAINED FROM VARIOUS SPECIES OF PINUS, FAMILY – PINACEAE SOLUBILITY – INSOLUBLE IN WATER SOLUBLE IN CHLOROFORM / ETHANOL
- 2. C.C 84% Abetic Acid & Volatile Oil Test Observation 1) Test solution 10ml Acidic Bright pink colour changes to An hydride + drop H2SO4 violet 2) 0.05 g of powder + Benzene Benzene layer shows bluish Shake green
- 3. USES – • Stimulant • Diuretic • Used in ointment • Plasters, varnishes, paint ayers, printing • Inks floor covering Oleo. Gum resins ( Volatile Oil + gum + resins ) Myrrh – It is oleo gum resins obtained steam and branches of commiphora molmol family - Burseraceae
- 4. C.C Volatile oil, resins, gum, bitter principles Chemical test Test Observation • triturate powder of Myrrh with yellowish brown emulsion Powder • 0.04 g of Myrrh triturate with 1g of sand shake with 10 ml Ether filter it divided into two Parts
- 5. 1 ) Evaporate / drop of NNO3 purplish violet colour 2 ) Evaporate / expose to bromine violet colour vapour