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drawn from the box regularly Moderators: Moderators Jump to page : 1 Now viewing page 1 [25 messages per page]	View previous thread :: View next thread
Yoga -> General Yoga	Message format

fengqingxue

Posted 2017-10-20 8:56 AM (#234903)
Subject: drawn from the box regularly

Expert Yogi

Posts: 7714
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according to 6.2.2.6.4. 6.4.1 Principle The samples with 1 meter surface area were placed in temperature, relative humidity, air flow rate and air replacement rate at a certain value Weather box. Formaldehyde is released from the sample, mixed with the air inside the box,
the air is drawn from the box regularly, the extracted air passes through the absorption bottle containing distilled water, and the formaldehyde in the air is completely dissolved in the water; the amount of formaldehyde in the absorption liquid The amount of formaldehyde.
per cubic meter of air is calculated in milligrams per cubic meter (mg /). The evacuation is periodic until the concentration of formaldehyde in the air in the climate chamber reaches a steady state. 6.4.2 Equipment 6.4.2.1 The volume of the climate chamber shall be 1,
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