写真素材の検索結果

Potassium dichromate on a watch glass

Potassium dichromate and hazard pictograms

Reduction of potassium dichromate

Oxidation of ethanal

Nickel II nitrate 6 water on watch glass

Copper (II) oxide (CuO) on a watch glass

Potassium permanganate on a watch glass

Oxidations of alcohols

Potassium permanganate hazard pictograms

Oxidations of alcohols

Oxidation of ethanal

Chromate solutions

Alcohol oxidation

Copper oxide

Nickel II nitrate with hazard pictograms

Potassium dichromate

Cyclohexene

Copper II carbonate hydroxide on glass

Copper II carbonate hydroxide & pictogram

Potassium dichromate solution

Sodium hydroxide pellets on watch glass

Iron (II) chloride on a watch glass

Potassium chromate solutions

Brass analysis

Iron II sulphate 7 water on watch glass

Manganese (IV) oxide

Sodium hydroxide with hazard pictogram

Iron (II) chloride with hazard pictograms

Iron III chloride 6 water on watch glass

Zinc Sulphate 7 water on watch glass

The triiodomethane reaction.

Potassium dichromate test for alcohols

Copper II sulphate on watch glass

Copper (II) chloride on watch glass

Liesegang patterns

Sink unblocker chemical crystals

Copper (II) oxide and sulphuric acid

Copper (I) oxide on a watch glass

Sodium hydroxide

Zinc chloride and zinc sulphate

Potassium dichromate crystallization, macrophotograph

Iron II sulphate 7 water on watch glass

Copper

Iron III chloride with hazard pictograms

Zinc Sulphate with hazard pictograms

Chemistry experiment

Ammonium chloride

Ethanal reaction

Zinc reacting with copper sulphate

Finding moles of iron in a sample

Silver mirror test

Silver mirror test with Tollens' reagent

Silver mirror test

Silver mirror test

Copper (II) chloride with hazard pictograms

Alcohol test

Copper II sulphate with hazard pictograms

Sodium dichromate

Rochelle salt and hydrogen peroxide

Rochelle salt and hydrogen peroxide

Copper II oxide on a watch glass.

Nitric acid

Hydrochloric acid

Diffusion in agar

Diffusion in agar

Copper (I) oxide with hazard pictograms

Copper oxide and sulphuric acid

Copper II sulphate with hazard pictograms

Copper II sulphate with hazard pictograms

Copper II sulphate with hazard pictograms

Oxidation of toluene

Fehling's reaction

Brady's reagent

Fehling's reaction

Alcohol oxidation

Limestone reacting with acid

Magnesium sulphate water 7 on watch glass

Acidic and alkaline chromate solutions

Copper metal turnings on a watch glass

Phenol reactions

Measuring acidity

2,4-D herbicide crystals, LM

Copper sulphate reaction

Potassium hydroxide pellets

Scratch and rust markings on old metal wall

Corroded surface

Lost Corner

Desolate Corner

Desolate Corner

Texture

Texture

Texture

Texture

Texture

Texture

Malondialdehyde molecule

Iron test

Trifluoroacetic acid molecule

Formamide solvent molecule

Chromium in dilute acid

Phenol crystals

Phenol crystals

Nitric acid molecule, illustration

Potassium nitrate with hazard pictograms

Descaling product

Mercury oxide

Sodium borohydride powder

Damp magnesium chloride

Salt crystals formed by evaporation

Copper oxide powder

Iron (II) chloride crystals

Zinc nitrate crystals

Copper (II) sulphate

Copper II oxide with hazard pictograms

Titration experiment

Vanadium oxidation states

Vanadium (V) solution

Vanadium (IV) solution

Vanadium (III) solution

Vanadium (II) solution

Manganese (II) solution

Manganese (III) solution

Manganese (VI) solution

Manganese (VII) solution

Benedict's test for sugar.

Calcium chloride with hazard pictograms

Manganese dioxide with hazard pictograms

Silver mirror test

Ammonium nitrate crystals, polarised light micrograph

Sodium carbonate with hazard pictograms

Magnesium sulphate with hazard pictograms

Zinc oxide with hazard pictograms

Hydroxide precipitates

Fehling's reaction

Ethanal and Brady's reagent

Ethanal and Brady's reagent

Chromic acid molecule

Metaldehyde pesticide, light micrograph

Metaldehyde pesticide, light micrograph

Metaldehyde pesticide, light micrograph

Benzoic acid precipitate

Reaction of sodium carbonate in acid

Copper ion reaction

Nitric acid mineral acid molecule

Close up of grey metallic paint on metal

Peeling paint and exposed old brick wall

Scratch and rust markings on old metal wall

Inverted image of scratch marks and peeling paint on metal wall

Scratch and rust markings on old metal wall

Scratch and rust markings on old metal wall

Inverted image of scratch marks and peeling blue paint on metal wall

Brown rusting patches on an old wall

Scratch and rust markings on old metal wall, close up

Painted red metal with rust and scratch markings

Scratch and rust markings on old metal wall

Close up of yellow paint and rusty scratch marks

Detail of rusty metal and peeling paint

Detail of rusty metal and peeling paint

Detail of rusty metal and peeling pant

Detail of rusty metal and peeling pant

Lost Corner

Lost Corner

Desolate Corner

Desolate Corner

Texture

Texture

Texture

Texture

Texture

Copper sulphate reaction

Petal colour change in basic solution

Iron (II) and (III) precipitates

Magnesium metal powder in watch glass

Benedict's reagent

Shovel

Leaking pipe

Close-up of rusted sheet metal

Close-up of rusted sheet metal

Desolate Corner

Close up of waterline marks on ship

Sulphuric acid

Reagent bottle of 2M sulfuric acid

Bottle of 1M sulphuric acid

Reagent bottle of sulfuric acid

Transition metals

Zinc sulphate crystals.

Acetaldehyde molecule, chemical structure

Manganese dioxide on a watch glas

Coarse iron filings on a watch glass

Haloalkane test

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Titration of potassium manganate (VII)

Copper formed by oxide reduction

Grey limestone and iron oxide

Phosphoric acid molecule

Phosphoric acid mineral acid molecule

Tannic acid molecule

Cobalt II nitrate with hazard pictograms