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1.What is a sampling cylinder?
A sampling cylinder is a container used to collect and store gas samples. They are usually made of stainless steel and have characteristics such as pressure resistance, corrosion resistance, and good sealing.
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2.What are the dimensions of the sampling cylinder?
The size of the sampling cylinder varies depending on the demand, with commonly used sizes including 1 liter, 2 liters, 3 liters, 5 liters, etc. Select the appropriate specification of sampling cylinder based on the amount of gas required to be collected and the concentration of the sample.
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3.How to ensure the cleanliness of the sampling cylinder?
Sampling cylinders should undergo strict cleaning treatment before being used for sample collection. Usually, steam or acid washing methods are used to remove impurities and pollutants from the interior of steel cylinders. At the same time, the cleanliness of steel cylinders is closely related to the handling and operation before use.
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4.How to use sampling cylinders correctly?
When using sampling cylinders, the following steps should be followed:
a. Prepare the required sampling cylinders, relevant sampling equipment, and gas samples;
b. Confirm that the sealing of the cylinder is good, and then connect the sampling equipment to the cylinder as required;
c. Select an appropriate sampling method based on the amount of gas to be collected, such as direct sampling or sampling;
d. After the collection is completed, the steel cylinder should be sealed and labeled in a timely manner, indicating the sampling time, location, gas type, and other information;
e. Conduct subsequent processing and analysis of the collected gas samples.
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