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  • What is the Difference Between Volumetric and Serological Pipettes

    What is the Difference Between Volumetric and Serological Pipettes

    What is the Difference Between Volumetric and Serological Pipettes The key difference between volumetric and serological pipettes is that volumetric pipettes are calibrated to deliver a certain volume of a solution through free drainage, whereas serological pipettes are calibrated all the way to ...
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  • Fermentation method with mechanical stirring fermenter

    Fermentation method with mechanical stirring fermenter

    Fermentation method with mechanical stirring fermenter Principle Start with test-tube strains, increase the culture by scale-up, and finally ferment Bacillus subtilis using a mechanically stirred tank. Shaking flask culture is a commonly used ventilation culture method in the laboratory. The tria...
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  • Preparation Experiment of Ferrous Ammonium Sulfate

    Preparation Experiment of Ferrous Ammonium Sulfate

    Preparation Experiment of Ferrous Ammonium Sulfate Principle Iron filings are easily soluble in dilute sulfuric acid to form ferrous sulfate: Fe + H2SO4 = FeSO4 + H2 ↑ Ferrous sulfate interacts with the same amount of ammonium sulfate in an aqueous solution, that is, a light blue ferrous ammonium...
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  • Ethyl bromide experiment

    Ethyl bromide experiment

    Ethyl bromide experiment Materials and Instruments Round Bottom Flask, Erlenmeyer Flask, Hollow Stopper Step Instrument: Organic synthesis preparation instrument 2 100 mL round-bottom flasks; 2 150 mL conical flasks; 1 hollow plug; 1 500 mL beaker; 1 vacuum pipe; 75°C elbow; distillation head; 1;...
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  • Application of Erlenmeyer Flask in Aspirin Preparation Experiment

    Application of Erlenmeyer Flask in Aspirin Preparation Experiment

    Application of Erlenmeyer Flask in Aspirin Preparation Experiment Principle Aspirin is an antipyretic and analgesic drug that can be used to treat colds, colds, headaches, neuralgia, arthralgia, rheumatism and rheumatoid diseases, and can also be used to prevent and treat thrombus formation. Aspi...
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  • What’s the difference between a triangular bottle and a conical bottle?

    What’s the difference between a triangular bottle and a conical bottle?

    What’s the difference between a triangular bottle and a conical bottle? The difference between triangular bottle and conical bottle: 1. Different shapes. Conical bottles generally have a cap and frosted neck, while triangular bottles have no cap and frosted neck. 2. Different application fi...
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  • The difference between a conical flask and an iodine flask (determined iodine triangular beaker)

    The difference between a conical flask and an iodine flask (determined iodine triangular beaker)

    The difference between a conical flask and an iodine flask (determined iodine triangular beaker) 1. Different uses The purpose of the iodine flask: it is generally a conical flask dedicated to the determination of iodine. It can also be used as a reaction vessel for other volatile substances. Erl...
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  • Different types of glassware and their uses (2)

    Different types of glassware and their uses (2)

    Different types of glassware and their uses (2) Glassware for Measurement: Graduated Cylinder: It is used when you need to measure liquid volume semi-precisely. More accurate than a beaker or flask graduated cylinders, they measure delivery volume. Volumetric glassware: When you need to make high...
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  • Different types of glassware and their uses (1)

    Different types of glassware and their uses (1)

    Different types of glassware and their uses (1) Here is a brief-up about different types of glassware and their uses. Lab Glassware for Qualitative Use: Beakers – These are simple cylindrical containers, in sizes from 10 ml to 4000 ml. One of the commonest glass equipment found in labs, they are ...
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