the scientist wear blue nitrile gloves holding erlenmeyer conical flask with purple violet solvent forming reaction boric acid |
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| navigate by keyword : acid ammonia analysis analyzing background bench blue blur bonding boric chemical chemist chemistry clear color complex compound concentration conical container determination development doctor equipment erlenmeyer experiment flask focus forming glass glassware gloves holding lab laboratory liquid liquor medical medicine nitrile pharmaceutical purple reaction research sample science scientific scientist selective solution solvent table technical technique technology violet volume wastewater water wear white yellow |
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| The scientist wear blue nitrile gloves holding Erlenmeyer Conical flask, with purple violet solvent forming reaction boric acid and ammonia solution analysis in wastewater sample. Selective focus. |
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