Le labo. Le technicien de laboratoire en manteau blanc et gants de caoutchouc vérifie la composition chimique des échantillons testés . - Photo & image de stock

Lab. The lab technician in a white coat and rubber gloves checks the chemical composition of the tested samples.

Lab. The lab technician in a white coat and rubber gloves checks the chemical composition of the tested samples.

This is the last one. Closeup of an unrecognizable scientist pouring a substance into test tubes to do experiments on inside of a laboratory during the day

Lab assistant carrying out tests in laboratory, examining liquid substances

Lab. A lab technician in a white coat and rubber gloves using tweezers adds a sample to the liquid to dissolve it.

Chemist,scientist hand pick up and dropping chemical liquid into test tube, science research and development concept

Laboratory assistant dripping urine sample for analysis from pipette into test tube, closeup

Lab. A lab technician in a white coat and rubber gloves and protective glasses is investigating the effect of the substance on the reagent.

Lab. The lab technician in a white coat and rubber gloves performs analysis of the tested samples.

Examination of samples in the laboratory.

Lab. A lab technician in rubber gloves using tweezers prepares a sample for solubility testing

Examination of samples in the laboratory.

Examination of samples in the laboratory.

Examination of samples in the laboratory.

Examination of samples in the laboratory. Describing the tube.