ガスバーナー
Bunsen burner with pilot light
Copper chemistry experiment
Flame test on potassium
アルコールランプの炎
Sterilising a wire loop
Strontium flame test
Flame test on sodium
Lithium flame test
Potassium flame test
Sodium flame test
Calcium flame test
Heating sulphur
Barium flame test
Gas burner, close-up
Copper sulphate being heated
炎色反応
Lit bunsen burner
Evaporating water from a brine solution
Copper powder being heated
Burning aluminium
Burning iron
Iron filings in a bunsen flame
ガスバーナーで炭に着火する
ガスコンロ
ガスの炎
炎と青い煙
炎
Germany, Munich, Art foundry, Bunsen burner
Burning magnesium
Iron filings being heated
Copper flame test
焚き火
Flames against black background
Heating zinc oxide
炭火
Gas hob
Heating an iron nail
Energy
Burning match
Gas flame
Gas flame (close-up)
炎と貝
炎 イメージ
Flames
篝火
立ち昇る炎
爆発
flames of fire on black background
flames of fire making circle
キャンドル
炎と白い煙
囲炉裏の炎
イメージ 薪ストーブの炎
コンロの火