欧美国产在线一区精品自拍_精品综合久久久久国产日韩_国产 在线 一区二区三区_中文字幕乱码人妻无码久久久1_日韩中文字幕东京热_色欲欧美一级做性受_亚洲精品国产不卡在线观看_成人精品一区二区在线观看_老司机深夜免费福利_小13箩莉黄瓜自慰喷白浆

  • Inspection suppliesInspection supplies

    Our company produces various inspection s...

  • 試管試管

    A test tube is a container used to hold a...

  • Gold Label Card CaseGold Label Card Case

    Our gold label card cases come in a wide ...

  • Gold Label Pen CardGold Label Pen Card

    There are various specifications of gold ...

    • Phone：+86-317-4052076
    FAX：+86-317-4052076
    Email：czycgs@163.com
    Web：2meiwang.cn
    Address：Du Sheng Xiang Xiao Liu Village, Cang County, Cangzhou City, Hebei Province

    Current Location：HOME > NEWS > Industry information >

    NEWS

    Usage of drip bottles with different colors

    Time：2016-08-30Publisher：Xingyuan

    Drip bottles

    Drip bottles are a common type of container in the laboratory. They are widely used due to their simple control of reagent usage. There are also many types of drip bottles, including transparent ones and dark brown ones. So what are their differences?

    Transparent drip bottles are easy to observe the use of the liquid in the drip bottle, and it is important to understand the use of reagents. Dark brown drip bottles are used to store reagents that need to be placed away from light to prevent evaporation or generation.

    Intense chemical reaction.