Thin-layer chromatography
Chromatography of coloured inks
Chromatography of black ink
Paper chromatography
Paper chromatography test sheet
Chromatogram under UV light
Alkane or alkene test
Alkane alkene in bromine water
Chemistry apparatus
Immiscible liquids
Devices for measuring liquids
Copper sulphate solutions
Glass chemical equipment in a chemistry lab
Soil settling out of water
Chemical laboratory with test tubes and flasks
Beakers of liquid in factory
Titration technique
Apparatus for electrolysis of seawater
Separating salt from rock salt
Copper sulphate dissolving in water
Chromatogram, 3D View
Liquid chromatography machine
Liquid chromatography solution
Universal indicator colour range
Measuring the half-life of protactinium
Testing pH
Pouring water into beaker
Glass pipettes
Dissolving copper sulphate crystals
Litmus indicator dropping from pipette into beaker for pH test
Decomposition of hydrogen peroxide
Rates of reaction experiment
Transition element salts
Transition elements and their salts
Hands holding molecular structure
科学の構造式のバックグラウンド
Types of resistor
Chromatography paper in glass dish
Half life demonstration using dice
試験管
実験イメージ
計量カップ
Chromatography, conceptual image
Boiling water with a Bunsen burner
Electronic thermometer
Tablet computer showing a chromatogram
Bromoethane synthesis
Blood testing
Biological research, conceptual image
Biochemical research
Potentiometer jockey
A second year practical
Osmosis experiment
Testing for carbonate
Zinc granules in sulphuric acid
Iron in sulphuric acid
Tin in sulphuric acid
Zinc granules in weak hydrochloric acid
Burning lithium
Testing for carbon dioxide
Salol cooling rapidly to form crystals
Measuring jug and bulb pipette
実験道具
School Science Lesson
Equipment used to electroplate nickel
実験をする小学生
スポイトを持っている笑顔の小学生の男の子
Motor effect experiment
Simple motor
Conductor in magnetic field
Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution
Formation of Lead (II) iodide
Water samples coloured with beetroot
Using a 'makeshift' calorimeter
Limestone and acid
Graduated pipette
Healthcare And Medicine, Digital Composite, Utensil, Test Tube,
Healthcare And Medicine, Digital Composite, Laboratory Glassware, Utensil,
Measuring change of mass in a reaction
Hydrometer
Charged sphere in an electric field
Laboratory glassware
Pipette and laboratory glassware