gases

A list of these gases articles makes it easy for you to quickly access relevant information. We have prepared the following professional gases, hoping to help solve your questions and better understand the product information you care about.
  • Which fresh-keeping gases are needed for modified atmosphere packaging
    Which fresh-keeping gases are needed for modified atmosphere packaging
    2022-11-21
    气调包装中氧气对产品保质期的影响 为了食品的货架期得到保证,气调包装内的氧气含量是一个敏感指标,所以我们的包装工艺会通过真空、充氮、充混合气三种方式去控制。 因此凡是涉及到充气包装,生产企业一般会采用顶空分析设备进行包装成品的检测,从而得知包装内气体浓度的控制水平,以保证产品上市后的包装所注明的货架期。 常规抽样气测氧的局限性 常规的充氮、气调包装产品大多会采用工作原理为抽取包装内样气进行分析氧气或二氧化碳浓度的设备。当然,这种工作原理的顶空分析仪也会出现局限性,具体表现在: 包装内顶空气体容量过小,一般 <5ml 的样气容量就不足以让传感器反应,表现为测试数据不准确 带有液体且小顶空的包装,
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