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    About

    Yancheng Huida Glass Instrument Co., Ltd. is the experienced manufacturer, mainly produces high quality laboratory glassware and other general labwares. The band of “YCHD” boiling glass series and volumetric measuring instruments are well-known all over the world.

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  • What is the Difference Between Volumetric...

    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 vo...
  • Fermentation method with mechanical stirr...

    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...
  • Preparation Experiment of Ferrous Ammoniu...

    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...
  • 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; ...
  • Application of Erlenmeyer Flask in Aspiri...

    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, ...

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