Potassium dichromate crystallization, macrophotograph
Potassium chromate crystallization
Sodium sulphate crystallization
Sodium chloride crystallization
Diffusion in agar
Salt crystals formed by evaporation
Liesegang patterns
Alcohol oxidation
Evaporation experiment
Copper sulphate crystallizing
Metal displacement reaction
Potassium dichromate solution
Reduction of potassium dichromate
Oxidations of alcohols
Measuring acidity
Potassium dichromate and hazard pictograms
Potassium dichromate on a watch glass
Moles of solids compared
Chromate solutions
Potassium chromate solutions
Residue from evaporated water
Silver chromate precipitation, macrophotograph
Lead iodide precipitation, macrophotograph
Potassium dichromate
Silver chromate precipitation
Organic synthesis
Laboratory apparatus
Water evaporation residues
Quartz crystals, SEM
Potassium nitrate crystals
Titration experiment
化学物質の結晶
Ammonium chloride sublimation
Small clear glass filled with water up to a green line
Triiodomethane crystals
Brady's reaction
Silver crystals, metal displacement reaction
Zinc sulphate crystals.
Copper (II) sulphate crystals
Potash mine evaporation ponds
Iodine subliming
Potassium dichromate test for alcohols
Fractional distillation of oil
Sodium reacting with water
Phosphorus chloride reacting with water
Phosphorus pentachloride production
Brass analysis
Cyclohexene
Oxidation of ethanal
Copper sulphate crystals growing
Chalcocite crystals
Ammonium chloride crystallization, light micrograph
Potassium hydroxide pellets
Picromerite mineral
Concrete, ESEM
Salt crystals
Silver nitrate, polarised light micrograph
Beryl crystals
Hydrated copper sulphate crystals, SEM
Quartz crystal, SEM
Pink beryl crystal, SEM
Chemical mixture, polarised light micrograph
Evaporating water from a brine solution
Gypsum crystals
Sodium dichromate
Hydrated copper sulphate
Preparing copper sulphate solution
Messolonghi salt harvesting machine
Cobalt precipitation
Iron precipitation
Chromium precipitation
pH in sodium bicarbonate solution
Nitrate test using acid
Iron-chlorine reaction
Titration
Silver thiosulphate precipitate
Silver chloride precipitate
Copper sulphate precipitate
Nickel hydroxide precipitate
Aluminium reacting with iodine
Nickel displacing copper
Glowing limestone chip
Graphite
Evaporation ponds at potash mine, Utah, USA
Track patterns in evaporation pond at potash mine, Utah, USA
Sphalerite crystals
Sylvite
Chemistry equipment, early 19th century
Potassium hexacyanoferrate, polarised light micrograph
Evaporation deposit from salt water
Halogenoalkane reactions
Malachite crystals, SEM
Salt crystallization, Dead Sea, Israel
Anhydrous copper sulphate
Hydrating copper sulphate
Law of conservation of mass
Laboratory flasks
Iron (II) chloride crystals
Zinc nitrate crystals
Iron (II) chloride on a watch glass
Iron (II) chloride with hazard pictograms
Grinding natural rock salt
Copper carbonate being heated
Alcohol test
Potassium chromate and silver nitrate
Cocaine drug crystals, light micrograph
Ferrous sulphate crystals
Vitamin C crystals, light micrograph
Sugar crystals, polarised light micrograph
Water quality examination agent, light micrograph
Berthollet's Gunpowder Experiment
Copper II oxide photographed at 1:
Lead crystals, metal displacement reaction
Iron (III) chloride solution