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Erlenmeyer flask containing a solution of potassium permanganate (KMnO4), various flasks with transition metal salts, dry chemicals and solutions in background
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A conical scientific glassware flask partly filled with blue liquid.
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A rounded glass scientific chemical flask with a long funnel neck, holding green liquid.
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Chemistry research. Erlenmeyer flask containing colored liquid, a ball-and-stick molecular model and laptop computer
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A young girl holding a conical flask of blue liquid in front of an evaporation cycle illustration drawn on a clear surface.
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Chemical lab glassware: burette over beaker, Erlenmeyer flask with stirring rod, graduated cylinder, pipette over test tube
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A young girl holding a conical flask of blue liquid in front of an evaporation cycle illustration on a clear surface.
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Chercheur détenant la fiole conique contenant un liquide rouge, focus sur le premier plan
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Laboratory glassware in lab, Measuring flasks and cylinders containing chemicals during experiment
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Chemical lab glassware: graduated cylinder, Erlenmeyer flask with stirring rod, pipette
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Conical glass scientific flasks holding blue liquids. Lined up in size order, with one set apart.
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Verser le liquide de cylindre gradué dans une fiole conique de scientifique
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Young scientist working in a pharmacy laboratory, Freiburg im Breisgau, Baden-Württemberg, Germany
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Laboratory glassware on lab bench with a graduated measuring cylinder in foreground
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Female scientist examining bacterial growth in flask containing LB (Lysogeny broth) medium
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Gros plan des tubes à essai dans un support de tube à essai avec les fioles coniques
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Lap top with periodic table and ball and stick molecular model
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Boy wearing Safety Glasses Pouring Liquid from Test Tube into Beaker, Mannheim, Baden-Wurttemberg, Germany
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Teacher and schoolgirls conducting scientific experiments, Fürstenfeldbruck, Bavaria, Germany
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Laboratory scientist adding a small amount of solid reagent to a container on a scale
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Boy and Girl wearing Safety Glasses Pouring substance into Beaker, Mannheim, Baden-Wurttemberg, Germany
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Scientists working in a pharmacy laboratory, Freiburg im Breisgau, Baden-Württemberg, Germany
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Engineer with sample bottles of indigo solution and ozonated water and vial in hand for analysis in water treatment plant
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Gros plan des béchers sur une table dans un laboratoire avec le liquide de couleur
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Garçon transfert liquide du tube à essai en utilisant de l'entonnoir
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Chemistry research. Erlenmeyer flask containing colored liquid and a digital tablet with a ball-and-stick molecular model on its screen
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Pipette adding sodium carbonate to nickel sulfate. Both solutions 0.5 M concentration. Nickel carbonate precipitate is formed result: NiSO4 + Na2CO3 -> Na2SO4 + NiCO3 Double displacement reaction
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Laboratory glassware in lab, Measuring flasks and cylinders containing chemicals during experiment
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Laboratory scientist adding a solid reagent to a container on a scale
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Laboratory scientist hand mixing reagents in water sample flask
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Boy and Girl wearing Safety Glasses Pouring Liquid into Beaker, Mannheim, Baden-Wurttemberg, Germany
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Safety glasses on laboratory bench with a chemical experiment in background
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Laboratory safety glasses on lab bench with a chemical experiment in background
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Laboratory scientist doing calculations for chemical analysis
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Chemistry research. Ball-and-stick molecular model with laptop computer displaying periodic table
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