bottles of solutions stored on shelf in laboratory. bottles with chemical solutions of naoh, h2so4 and hno3. sulfuric

agent bag biochemistry bottle buffer buffersolution building calibratedvessel care chemicalagent chemicals chemistry chloride clinic closeup copy corridor drip drop equipment glass graduate graduatedbottle graduatedvessel h2so4 hno3 inorganicchemistry lab laboratory labware liquid liquor medical medication medicine naoh reagent research saltsolution science solution tincture tube volumetricglass white