Litmus indicator dropping from pipette into beaker for pH test
Beakers of acidic and basic solutions after litmus indicator has been added. Litmus changes its colour depending on the pH of the solution
Universal indicator
Close up of pipette dropping solution into test tube in rack in lab
Devices for measuring liquids
Measuring jug and bulb pipette
Transferring a reactant into a flask
Close up of pipette dropping sample onto microscope slide in lab
Glass chemical equipment in a chemistry lab
Limestone and acid
Beaker and pipette
Pipette dropping liquid in test tubes
Beakers with solutions of transition metal salts
Pouring water into beaker
Testing pH
Titrating a reactant from a burette
Osmosis experiment
Close up of pipette in test tube
Microscope, beaker, scalpel, tweezers
実験器具
Making a reactant solution
Glass flasks with liquids in a laboratory
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Petri Dish
Salol cooling rapidly to form crystals
Potassium chromate and silver nitrate
Pipette dropping liquid into test tube
Pipette dropping a solution into a vial, used for storing liquid during chemical or biological research
Pipette and beaker with liquids
Pipette dropping liquid into test tubes
Pipette
Rates of reaction experiment
PH test with universal indicator paper
Pipette and test tubes
Phenolphthalein a single indicator
Graduated pipette
Using a 'makeshift' calorimeter
Colour spreading on litmus paper
Close up of dropper in beaker
Graduated pipette dropping liquid into Erlenmeyer flask
Methyl orange indicator
pH in sodium bicarbonate solution
pH meter in orange juice
Motor effect experiment
Simple motor
Pipetting sample into multi well tray
Illustration Technique, Measuring Beaker, Test Tube,
Close up of empty beakers on counter in lab
Pipette and volumetric flask
Alkane or alkene test
Hand pouring milk from glass jug
実験
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test TubeHealthcare And Medicine,Test Tube
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube
ビーカーとインク
Recrystallised rock salt
Dipping magnet in iron filings
Iron (III) chloride solution
Loudspeaker and microphone
Pipette adding sample to a test tube in a laboratory
Litmus indicator
Germany, Bavaria, Munich, Multichannel pipette dispensing red reagent into test tray for medical research
Pipette and test tubes in a microbiological laboratory
Healthcare And Medicine,Glassware,Utensil,Test Tube,Beaker,Measuring Beaker
Litmus pH indicator in acid and basic
Biological research, conceptual image
Formation of Lead (II) iodide
Immiscible liquids
Copper sulphate dissolving in water
Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette
Laboratory apparatus
Eppendorf tubes and pipette
試験管を持っている笑顔の小学生の男の子
試験管を持っている小学生の女の子
Boy looking at dry ice
Pipette and beaker
Pouring fluid into a beaker
ビーカーとスポイト
Pipetting liquid into test tubes
Plastic pipette
Pipette and eppendorf tubes
Healthcare And Medicine,Glassware,Utensil,
Stem cell cultures in sample tray
Pipetting of sample into Petri dish
Pouring coloured fluid into a beaker
Pipette dripping liquid
Petri dish and a pipette
Micro pipette and test tube
Chemical laboratory and tubing
Indicator solution in acid
Pipetting a sample into a petri dish during a scientific experiment in a laboratory
実験をする小学生
Close up of beakers with solutions on shelf in lab
Beakers with solution on shelf in lab
Close up of beakers with solution on shelf in lab
Glass beakers and test tube, X-ray
Pipette being used to add sample to a petri dish during an experiment in the laboratory
DNA research
Dropper placing liquid on pills
Person pipetting chemicals into a flask
Chemical reaction-Pipette 0.5M solution of copper sulfate (CuSO4) into 0.5M solution of sodium carbonate (Na2CO3). Blue copper carbonate precipitate (CuCO3) formed result: CuSO4+Na2CO3->CuCO3+Na2SO4
Soil settling out of water
Separating salt from rock salt
試験管とスポイト
Pipetting: A pipette is used to transfer a small amount of liquid to a Petri dish
Chemical lab glassware: burette over beaker, Erlenmeyer flask with stirring rod, graduated cylinder, pipette over test tube
Chemical laboratory with microscope test tube flask pipette
Chemical scientific laboratory multi channel pipette and test tubes
Chemical scientific laboratory stuff microscope test tube flask pipette
Chemical scientific laboratory stuff test tube flask pipette
Analytical chemistry - sample being pipetted into test tube for analysis in laboratory
Sample being pipetted into petri dish for analysis in laboratory