Heroin powder and syringe on black backgroundDas Bild Heroin powder and syringe on black background von Marco Verch kann unter…

Morphine powder and syringes. Narcotics addictionDas Bild Morphine powder and syringes. Narcotics addiction von Marco Verch kann unter Creative Commons…

Drug syringe and cooked heroin on spoonDas Bild Drug syringe and cooked heroin on spoon von Marco Verch kann unter…

Drug addiction concept - pills, syringe and heroinDas Bild Drug addiction concept - pills, syringe and heroin von Marco Verch…

Hand lying near heroin powder, spoon and drug injection syringeDas Bild Hand lying near heroin powder, spoon and drug injection…

Hard drug overdose and addiction conceptDas Bild Hard drug overdose and addiction concept von Marco Verch kann unter Creative Commons…

Man passed out on couch after drug useDas Bild Man passed out on couch after drug use von Marco Verch…

Addict man dead after inject drug overdose with syringe injection heroin to handDas Bild Addict man dead after inject drug…

Social disaster and epidemic of narcotic addiction conceptDas Bild Social disaster and epidemic of narcotic addiction concept von Marco Verch…

Male junkie hand trying to grab injection syringe of cooked heroineDas Bild Male junkie hand trying to grab injection syringe…

Junkie man making lines of cocaine white powder for snortingDas Bild Junkie man making lines of cocaine white powder for…

A junkie man snorting cocaineDas Bild A junkie man snorting cocaine von Marco Verch kann unter Creative Commons Lizenz genutzt…

Young addicted woman sniffing a line of cocaineDas Bild Young addicted woman sniffing a line of cocaine von Marco Verch…

Snorting cocaine linesDas Bild Snorting cocaine lines von Marco Verch kann unter Creative Commons Lizenz genutzt werden (Namensnennung erforderlich). Es…

Carbon dioxide balloon on a white backgroundDas Bild Carbon dioxide balloon on a white background von Marco Verch kann unter…

Chemical solutions and indicator paper. Analysis conceptDas Bild Chemical solutions and indicator paper. Analysis concept von Marco Verch kann unter…

Close-up of a solution in a dropperDas Bild Close-up of a solution in a dropper von Marco Verch kann unter…

Drops of orange liquid fall into a glass laboratory tubeDas Bild Drops of orange liquid fall into a glass laboratory…

Laboratory tests background. Green solution and a female hand with a pipetteDas Bild Laboratory tests background. Green solution and a…

Laboratory test tubes in a wooden tripodDas Bild Laboratory test tubes in a wooden tripod von Marco Verch kann unter…

Plastic spoon with white powder. Working with reagentsDas Bild Plastic spoon with white powder. Working with reagents von Marco Verch…

Determination of ph in a laboratory glass tubeDas Bild Determination of ph in a laboratory glass tube von Marco Verch…

Litmus paper dipped in solutionDas Bild Litmus paper dipped in solution von Marco Verch kann unter Creative Commons Lizenz genutzt…

Determination of ph using litmus paperDas Bild Determination of ph using litmus paper von Marco Verch kann unter Creative Commons…

Close-up of the reaction between alkaline and acidic reagents in a test tubeDas Bild Close-up of the reaction between alkaline…

A gloved hand holds a test tube. The concept of observing a chemical reactionDas Bild A gloved hand holds a…

Close-up of a test tube with a solution in hand. Top viewDas Bild Close-up of a test tube with a…

Mixing two reagents in a test tubeDas Bild Mixing two reagents in a test tube von Marco Verch kann unter…

Glass tubes with different reagents close-upDas Bild Glass tubes with different reagents close-up von Marco Verch kann unter Creative Commons…

The concept of studying chemistry. Test tubes and reagents on a white backgroundDas Bild The concept of studying chemistry. Test…

Close-up of solution dripping from a pipette into a laboratory test tubeDas Bild Close-up of solution dripping from a pipette…

Analysis in the laboratory backgroundDas Bild Analysis in the laboratory background von Marco Verch kann unter Creative Commons Lizenz genutzt…

Close-up of a drop of orange solution on the tip of the pipetteDas Bild Close-up of a drop of orange…

Laboratory test tube with orange solution in handDas Bild Laboratory test tube with orange solution in hand von Marco Verch…