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Promoted item:50 PCS 10 ML EMPTY PLASTIC SQUEEZABLE DROPPER BOTTLES EYE LIQUID DROPPER

50 PCS 10 ML EMPTY PLASTIC SQUEEZABLE DROPPER BOTTLES EYE LIQUID DROPPER

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  • US $16.99
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500g Best Dark Powder Less than 3µm Over 5000 mesh!
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About Lab Supply

Whether performing research in a classroom or in a biomedical laboratory, the right lab equipment is a must. The accuracy of the measurements and the safety of the scientists revolves around having durable, precise lab supplies. A typical lab supply kit includes a microscope, beakers, condensers, flasks, test tubes and burets.Although most of the above lab supply tools are for measuring liquids, they are not all created equal. Beakers, for example, are most valuable in performing routine measurements and mixing solvents, acids and bases. Because these larger measuring devices are only accurate up to 10 percent, you'll need to use a more precise tool for smaller measurements.When performing experiments, accuracy is of the utmost importance. The slightest increase or decrease of a chemical can jeopardize the entire experiment. For more precision, your lab supply should include a graduated cylinder that can accurately measure small volumes of liquid and is accurate to one percent. Graduated cylinders are resistant to most chemicals and will not cloud when exposed to highly concentrated materials. Even more accurate are the burets, which are used for titrating, doing dilutions and calibrating glassware. Burets dispense tiny amounts of liquid at a time and are extremely accurate. Because of their very thin shape, they allow you to measure even the smallest quantities of liquids very accurately.Heating and boiling are important components of chemical experimentation, so any safe lab supply component has to be able to stand up to the extreme temperature changes that might occur. Boiling flasks are heavier than other lab supplies and can be used for boiling liquids directly over a burner. Heating can also be done in beakers and graduated cylinders, as long as they are made of materials that can handle the temperature changes.