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How To Save Sample In Liquid Nitrogen Tank

Edit: Henan Tianchi Instrument Equipment Co., Ltd    Date:2018-06-04
How to save sample in liquid nitrogen tank? The lid of a liquid nitrogen tank cannot be sealed because the principle behind liquid nitrogen storage is to use liquid nitrogen to volatilize into gaseous nitrogen to absorb heat.
When putting in or taking out samples, try to make the tank opening time as short as possible to reduce the consumption of liquid nitrogen.
How To Save Sample In Liquid Nitrogen Tank