Atractivo joven estudiante científico observando el cambio de color indicador azul en el tubo de vidrio . - Foto e imágenes de stock

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Attractive young student scientist observing the blue indicator color shift in the glass tube.

Scientist working in the lab, in protective mask examines a test tube with liquid

Attractive young student scientist observing the blue indicator color shift in the glass tube.