Linhas de tubos de ensaio vazios fixados em conjunto no fundo azul claro - Banco de fotos e imagens

Test tubes with reagents on light blue background, closeup. Laboratory analysis

Test tubes on blue background

Empty test-tubes on blue background closeup

Laboratory equipment - test tubes in blue scientific looking light - close-up

Laboratory equipment - test tubes in blue scientific looking light - close-up

Close-up of test lab glass tubes equipment

Glass test tubes together on the blue green background

Big laboratory flask with blue liquid

Drop of color in glass flask with liquid in laboratory

One green plant in test tube filled with water and fixed in a row

Green plant grows in test tube filled with water among other test tubes

Big lab flask close-up with blue liquid and grades up to 250 ml