写真素材の検索結果

Test tube of sulphur and iron mix

Burning iron

Iron filings in a bunsen flame

Iron filings being heated

Heating water and copper sulphate

Producing gas

Heating an iron nail

Copper powder being heated

Copper carbonate being heated

Burning aluminium

Orange juice being boiled on a Bunsen

Copper chemistry experiment

Heating zinc in a flame

Burnt copper

Copper flame test

Chemistry apparatus

Chemistry apparatus

Chemistry experiment

Chemistry experiment

Thermolysis of mercury oxide

Heating sugar

ガスバーナーで切断した鉄骨

Burning lithium

Flame test for calcium.

Conduction of heat

Fehling's reaction

Heating sulphur

Copper flame test

Reduction of copper

Bunsen burner

Burning magnesium

Aluminium chloride preparation

Distillation apparatus

Organic synthesis

Flame test on sodium

Lithium flame test

Calcium flame test

Iron reacting with sulphur

Silver oxide decomposition

Copper sulphate being heated

Heating copper sulphate solution

Iron filings and sand

Convection experiment with paper dots

Sterilising a wire loop

Potassium flame test

Sodium flame test

Strontium flame test

Flame test on potassium

Lithium flame test

Barium flame test

Strontium flame test

Potassium flame test

Sodium flame test

Lithium flame test

Heating water

Flame test for strontium.

Copper oxidation experiment

Water being heated

Iodine sublimation

Haloalkane test

Lit bunsen burner

Evaporating water using a sand tray

Heating water

Bunsen burner

Evaporating water from a brine solution

Molten crystals in a test tube

Boiling water with a Bunsen burner.

Boiling proteins

Nitrobenzene preparation

Water being heated

Electromagnet attracting iron filings

Test tubes in a tube rack

Illustration Technique, Measuring Beaker, Test Tube,

Dilute hydrochloric acid reactions

Iron filings with a magnet

Two magnets with iron filing

Healthcare And Medicine,Glassware,Utensil,Test Tube,Beaker,Measuring Beaker

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube,Pipette

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test Tube

Healthcare And Medicine,Glassware,Laboratory Glassware,Utensil,,Test TubeHealthcare And Medicine,Test Tube

Conical flask on a tripod containing water being heated

Bioreactors in lab

Bioreactors in lab

Bioreactors in lab

Pipetting liquid into test tubes

Pipetting liquid into test tubes

Pipetting

Flame test for lithium.

Coffee beans in test tube

Coffee beans in test tube

Coffee beans in test tube

Coffee beans in test tube

Burning copper

Close up of test tubes

試験管とスポイト

実験イメージ

試験管

Copper reacting with nitric acid

Test tubes with dye liquid

実験器具

実験器具

実験室

試験管

Metal displacement reaction

Zinc/acid reaction

Dropper measuring liquid into test tube mouths

Precipitation reaction

Precipitation reaction

Iron (II) and (III) precipitates

試験管とスポイト

試験管とスポイト

試験管とスポイト

実験イメージ

Heating zinc oxide

Liquid in test tube

Liquid in test tube

Bunsen burner with pilot light

Iron reacting with chlorine

Magnetic repulsion

Hand holding magnet, picking up metal

Bar magnet attracting metal filings

Metal filings attached to magnets

Metal filings attached to magnets

Metal filings attached to magnets

Horseshoe magnet attracting metal filings

Horseshoe magnet attracting metal filings

Two bar magnets positioned opposite

試験管

試験管

試験管

試験管

試験管

実験イメージ

実験イメージ

試験管のメモリ

実験イメージ

Test tube with red liquid

鋳造職人

Tin in sulphuric acid

Person holding a test tube with dye liquid

Iron filings in pure oxygen

Iron reacting with hydrochloric acid

実験イメージ

Phase separation

Flame test for barium.

実験イメージ

Lab samples in test tubes

Three tubes in a tube rack

Iron in sulphuric acid

Zinc reacting with sulphuric acid

Titration experiment

試験管とビーカー

試験管

ガラス器具

試験管とスポイト

試験管

Holding microscope slide over flame

Sodium hydroxide added to iron II sulfate

Test tubes in lab

Sulphur being heated

Metal tray with explosive thermite

Magnet attracting metal files

Healthcare And Medicine

Healthcare And Medicine

Burning zinc

Burning zinc

Iron test

Iron and sulphur

Iron and sulphur

産業･化学

産業･化学

Testing iron for magnetic properties

Laboratory equipment

Chemical research

Chemical research

Chemical research

Biochemical research

Biochemical research

Eppendorf tubes

Pipetting samples

Pipetting samples

Biological research

Biological research

Titration

Burning potassium to produce a purple flame

Rack of test tubes with solution on blue counter

Rack of test tubes with solution on blue counter

Rack of test tubes with solution on blue counter

Rack of test tubes with solution on counter in lab

Dropper placing liquid into test tubes

Biological research, conceptual image

Biological research, conceptual image

Pipette and test tubes

Biochemistry research

Biochemistry research

Chemical research

Chemical research

Chemical research