写真素材の検索結果

Heating magnesium in a flame

Heating water

Iron filings in a bunsen flame

Lit bunsen burner

Heating zinc oxide

Chemistry experiment

Chemistry experiment

Burning aluminium

Burning iron

Burning magnesium

Heating zinc in a flame

Strontium flame test

Flame test on potassium

Flame test on sodium

Lithium flame test

Lithium flame test

Barium flame test

Strontium flame test

Potassium flame test

Sodium flame test

Calcium flame test

Lithium flame test

Heating sulphur

Copper flame test

Copper oxidation experiment

Heating an iron nail

Heating sugar

Burning lithium

ガスバーナー

ガスバーナー

ガスバーナー

Bunsen burner with pilot light

Chemistry apparatus

Chemistry apparatus

Water being heated

Organic synthesis

Reduction of copper

Copper powder being heated

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

ガスバーナー

Copper flame test

Potassium flame test

Sodium flame test

Burnt copper

ガスコンロ

Heating copper sulphate solution

Copper chemistry experiment

Iron filings being heated

Producing gas

ガスバーナーで切断した鉄骨

Bunsen burner

Water being heated

Heating water

Germany, Bavaria, Bunsen burner with protection goggles

Heating water and copper sulphate

Germany, Munich, Art foundry, Bunsen burner

Germany, Munich, Art foundry, Bunsen burner

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

ガスバーナーで炭に着火する

Sterilising a wire loop

Gas burner, close-up

道路の消火栓の補修工事

Aluminium chloride preparation

Distillation apparatus

Evaporating water from a brine solution

Copper sulphate being heated

ガスバーナー

The flame

The flame

The flame

Orange juice being boiled on a Bunsen

Test tube of sulphur and iron mix

Gas burner, close-up

道路工事現場のアスファルト

道路工事現場のアスファルト

Bunsen burner

Conical flask on a tripod containing water being heated

Evaporating water using a sand tray

鋳造職人

Convection experiment with paper dots

Boiling water with a Bunsen burner.

Woman Experimenting in Lab

Scientist working in lab

Burning copper

Boiling proteins

Nitrobenzene preparation

Thermolysis of mercury oxide

Conduction of heat

Copper carbonate being heated

炎色反応

Complete combustion experiment

道路工事のガスバーナー

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

熱気球

道路工事用のガスバーナーの噴射口

Holding microscope slide over flame

Holding microscope slide over flame

Holding microscope slide over flame

Holding microscope slide over flame

Stove in restaurant kitchen

Silver oxide decomposition

Flame test for calcium.

Fehling's reaction

Close up of blow torch flame on metal

炎色反応

炎色反応

実験室

焼きプリン作り

Welding

エバポレーター

Iodine sublimation

Burning zinc

Burning zinc

ガスバーナーを使う男性の手元

実験室

Manganese (II) solution

Manganese (III) solution

Manganese (VI) solution

Manganese (VII) solution

Distillation apparatus

Flame test for strontium.

炎色反応

Haloalkane test

Blow torches with flames crossing

A plumbers hot gas soldering burner heating a copper elbow fitting to join two copper water pipes

Gas burner

キャンプ用品

エバポレーター

Copper oxidation experiment

Copper oxidation experiment

Hand-held gas torch

Blow torch

Magnesium oxide

Spacious, floor-level shower with niche shelf and rust-effect tiles

Vanadium (V) solution

Vanadium (IV) solution

Vanadium (III) solution

Vanadium (II) solution

実験室

Rake hanging on grey house wall

Welder

実験室

モーニングコーヒー

モーニングコーヒー

モーニングコーヒー

モーニングコーヒー

Potassium chromate solution

Interiors of a workshop, Old Trail Town, Cody, Wyoming, USA

Boiling water with a Bunsen burner

Silversmith using blow torch

A saucepan, a blowtorch, a spiraliser, cookie cutters, and a melon baller

錆びた配電盤

錆びた配電盤

古いコンロ

Iron test

Iron (II) and (III) precipitates

Oxidations of alcohols

Cyclohexene

Flasks

Rochelle salt and hydrogen peroxide

Rochelle salt and hydrogen peroxide

Fehling's solution reduction

Potassium dichromate on a watch glass

Nickel II nitrate with hazard pictograms

Potassium dichromate and hazard pictograms

Nickel II nitrate 6 water on watch glass

Copper II carbonate hydroxide on glass

Copper II carbonate hydroxide & pictogram

Reduction of potassium dichromate

Oxidation of ethanal

Oxidation of ethanal

Silversmith holding blow torch

Heating mantle and light microscope

A knife on a rusty baking tray, seen from above

Pale blue hydrangea florets in old enamel bowl with rusty spots

Tea towels, pan holders and other kitchen utensils hanging from a rusty bar with hooks

Ankle shackles at Con Son Island prison, Vietnam

Measuring tubes, half filled

Measuring tubes, half filled