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Functional groups in organic chemistry illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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Acetaldehyde molecule illustration
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Acetaldehyde molecule illustration
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Acetaldehyde molecule illustration
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Acetaldehyde molecule illustration
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Fruit of Shyamlata tree Cryptolepis buchananii Satara Maharashtra India Chemical Components - methoxy salicylic aldehyde
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Leaf of Shyamlata tree Cryptolepis buchananii Chemical Components - methoxy salicylic aldehyde Satara Maharashtra India
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mulled wine
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Hangover Man suffering from a hangover contemplates powder dissolving in a glass of water (lower left) This is probably a pain- relieving drug He
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Human brain aldehyde dehydrogenase molecular model
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Human brain aldehyde dehydrogenase 1 family molecular model The image shows the member A1 of the human brain aldehyde dehydrogenase 1 family Aldehy
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Human kidney aldehyde dehydrogenase 1A1 molecular model
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Silver mirror test The silver mirror test is used to distinguish aldehydes from ketones Tollens reagent (ammoniacal silver nitrate) and ethanol are
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Human kidney aldehyde dehydrogenase 1A1 molecular model
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cinnamon stick
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Strecker synthesis illustration
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Citronellal also rhodinal chemical formula and skeletal structure
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Anterior lobe of pituitary gland light micrograph
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Fehlings reaction Fehlings reagent is used to test for aldehydes The reagent has a blue colour as it contains copper ions The test tube in the mi
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Anterior lobe of pituitary gland light micrograph
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Posterior pituitary gland light micrograph
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Anterior lobe of pituitary gland light micrograph
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Fehlings test for sugars Student heating a test tube containing glucose (a simple sugar) and Fehlings reagent The brown colour is a positive resul
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Chemistry experiment Student performing a silver mirror test in a test tube In the test Tollens reagent reacts with an aldehyde to produce a thin
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Skin layers light micrograph Longitudinal section through layers of human skin stained to show types of connective tissueThe stain used is a combi
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Vanillin Molecular model of the organic compound vanillin (C8H8O3) a phenolic aldehyde that is the primary component of the vanilla bean Atoms ar
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Furfural molecular model
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Furfural molecule three-dimensional wood model Furfural is an organic compound derived from a variety of agricultural by-products including corncob
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Fehlings reaction Fehlings reagent (blue left) is used to test for aldehydes such as simple sugars The reagent has a blue colour as it contains
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The triiodomethane reaction
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Pomelo (Citrus maxima) Like that of other citrus fruits the peel of the pomelo contains skin irritants mainly limonene and terpene also citral al
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Silver mirror test
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Silver mirror test
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Silver mirror test with Tollens reagent
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Silver mirror test with Tollens reagent 1 of 3 When a few drops of an aldehyde solution are added to a clear solution of Tollens reagent a precipit
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Ethanal and Bradys reagent
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Ethanal and Bradys reagent
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The start of the reaction of ethanal with Bradys reagent (dinitrophenylhydrazine 2 4-DNPH) Bradys reagent is a yellow solution that is used as a
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Fehlings reaction Fehlings reagent (blue left) reacts with aldehydes (such as ethanal CH3CHO right) to form an orange precipitate
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Vanillin Molecular model of the organic compound vanillin (C8H8O3) a phenolic aldehyde that is the primary component of the vanilla bean Atoms ar
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Retinal Molecular model of the aldehyde retinal (C20H28O) one of the forms of vitamin A and also known as retinaldehyde This chemical is produced
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Formaldehyde molecule
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Cinnamaldehyde Molecular model of the aromatic aldehyde cinnamaldehyde (C9H8O) This organic compound is responsible for the flavour and odour of c
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Benzaldehyde Molecular model of the aromatic aldehyde known as benzaldehyde (C7H6O) It has an almond-like aroma and is widely used as a precursor
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Rabbit eye lens protein Molecular model of lambda-crystallin a structural protein found in the eye lenses of rabbits (family Leporidae)
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Rabbit eye lens protein Molecular model of lambda-crystallin a structural protein found in the eye lenses of rabbits (family Leporidae)
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Shrew eye lens protein Molecular model of eta-crystallin a structural protein only found in the eye lenses of elephant shrews (family Macroscelidida
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Shrew eye lens protein Molecular model of eta-crystallin a structural protein only found in the eye lenses of elephant shrews (family Macroscelidida
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Silver mirror test Tollens reagent reacted with an aldehyde produces a silver mirror (right) This is a diagnostic test used to distinguish between
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Carbon functional groups Five carbon functional groups containing oxygen (red) and one with nitrogen (green) Functional groups are groups of atoms w
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Fehlings solution reduction Fehlings solution before (left) and after (right) reduction by ethanal This reaction occurs when an aldehyde such as
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Bacterial alcohol dehydrogenase Molecular model of an NADP-dependent alcohol dehydrogenase enzyme from the bacterium Thermoanaerobacter brockii This
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Bacterial alcohol dehydrogenase Molecular model of an NADP-dependent alcohol dehydrogenase enzyme from the bacterium Thermoanaerobacter brockii This
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Silver mirror test This test is used to distinguish aldehydes from ketones Tollens reagent (ammoniacal silver nitrate) and ethanol are added to a s
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Silver mirror test This test is used to distinguish aldehydes from ketones Tollens reagent (ammoniacal silver nitrate) and ethanol are added to a s
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Chlorophyll molecule Computer model of the photoreceptor molecule chlorophyll a (C55H72MgN4O5) found in green plants The atoms are colour-coded
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Bradys reagent (24-dinitrophenylhydrazine) in a test tube Bradys reagent is used to indicate the presence of aldehydes or ketones in solutions
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Ethanal Computer illustration of a molecule of ethanal or acetaldehyde (formula CH3CHO) Atoms are depicted as cylinders and are colour-coded carbo
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Silver mirror test for the presence of aldehydes A sample which is suspected of containing aldehydes is placed in a test tube and ammoniacal silver
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Ethanal Computer illustration of a molecule of ethanal or acetaldehyde (formula CH3CHO) Atoms are depicted as spheres linked by rods and are colour
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Methanal Computer illustration of a molecule of methanal or formaldehyde (formula HCHO) Atoms are depicted as cylinders and are colour-coded carbo
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Methanal Computer illustration of a molecule of methanal or formaldehyde (formula HCHO) Atoms are depicted as spheres linked by rods and are colour
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Vitamin A Molecular model of the retinal form of vitamin A Retinal is one of three forms of vitamin A; the other two are retinol and retinoic acid
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Vitamin A Molecular model of the retinal form of vitamin A Retinal is one of three forms of vitamin A; the other two are retinol and retinoic acid
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Polarised light micrograph of crystalline Retinal vitamin A aldehyde Magnification x63 at 35mm size
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Enzyme from a sulphur-reducing bacterium Molecular model of the enzyme aldehyde oxidoreductase from the Desulfovibrio gigas sulphur-reducing bacteriu
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Glucose models
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Glyceraldehyde isomer models Molecular models of the two isomeric forms of glyceraldehyde D- glyceraldehyde (left) has a hydroxyl group (OH) on the
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Pencil portrait of Stanislao Cannizzaro (1826- 1910) Italian chemist Cannizzaro was one of the chemists who in the 1860s finally came to understand
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Oxidation of ethanal Image 1 of 2 This is the initial stage in the oxidation of ethanal using potassium dichromate (VII) This is the beaker before
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Bradys reagent (24-dinitrophenylhydrazine) reacting with ethanal in a test tube Bradys reagent is used to indicate the presence of aldehydes or ke
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Bradys reagent (24-dinitrophenylhydrazine) reacting with propanone in a test tube Bradys reagent is used to indicate the presence of aldehydes or
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Silver mirror test Test tube being taken from a beaker of warm water after the silver mirror test has been completed The silver mirror test is used
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Silver mirror test before and after The silver mirror test is used to distinguish aldehydes from ketones Tollens reagent (ammoniacal silver nitrat
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Fehlings test for sugars Five test tubes showing the colour changes observed when using Fehlings reagent (blue) to test for the presence of simple
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Bradys reaction Precipitate from a positive test for a carbonyl compound with Bradys reagent (24-dinitrophenylhydrazine sulphate in methanol) in c
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Fehlings reaction Fehlings reagent which is ordinarily blue reacts with aldehydes to form an orange precipitate An aldehyde is an organic compou
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Ethanal reaction
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Melting point apparatus Magnified view through a lens of a sample being analysed for its melting point in a melting point apparatus The crystals o
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Vanillin Molecular model of the organic compound vanillin (C8H8O3) a phenolic aldehyde that is the primary component of the vanilla bean Atoms ar
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Retinal Molecular model of the aldehyde retinal (C20H28O) one of the forms of vitamin A and also known as retinaldehyde This chemical is produced
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Formaldehyde Molecular model of the organic compound formaldehyde (CH2O) also known as methanal This is the simplest aldehyde It is a colourless
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Cinnamaldehyde Molecular model of the aromatic aldehyde cinnamaldehyde (C9H8O) This organic compound is responsible for the flavour and odour of c
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Benzaldehyde Molecular model of the aromatic aldehyde known as benzaldehyde (C7H6O) It has an almond-like aroma and is widely used as a precursor
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Vanillin Molecular model of the organic compound vanillin (C8H8O3) a phenolic aldehyde that is the primary component of the vanilla bean Atoms ar
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Formaldehyde Molecular model of the organic compound formaldehyde (CH2O) also known as methanal This is the simplest aldehyde It is a colourless
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Cinnamaldehyde Molecular model of the aromatic aldehyde cinnamaldehyde (C9H8O) This organic compound is responsible for the flavour and odour of c
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Benzaldehyde Molecular model of the aromatic aldehyde known as benzaldehyde (C7H6O) It has an almond-like aroma and is widely used as a precursor
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Functional groups in organic chemistry illustration by ALI DAMOUHSCIENCE PHOTO LIBRARY
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