Sterile needle filters are important equipment widely used in laboratories, biotechnology, pharmaceuticals, and medical fields. It can effectively remove particles, bacteria, viruses, and other harmful substances from liquids, providing high-quality and pure liquids. The following will introduce how to choose and correctly use sterile needle filters.

1、 Choose the appropriate sterile needle filter

Determine filtration requirements: Before selecting a sterile needle filter, it is necessary to clarify your filtration requirements, including the type of liquid to be filtered, the accuracy of filtration, and the volume of filtration.

Choose the appropriate filter membrane: Select the appropriate filter membrane according to the filtration needs. The material, pore size, and structure of the filter membrane need to be selected based on the properties of the liquid and filtration requirements.

Determine the connection method: The connection method of the sterile needle filter includes screw mouth and quick connector, etc. Choose the appropriate connection method based on usage requirements.

Consider brand and quality: Choosing well-known brands and high-quality sterile needle filters can ensure the stability and reliability of the equipment.

2、 Proper use of sterile needle filters

Preparation work: Before installing and using sterile needle filters, necessary tools and materials need to be prepared, including filter membranes, installation tools, cleaning agents, and protective measures.

Check the equipment: Before use, check the appearance of the sterile needle filter to ensure that the equipment is not damaged or deformed.

Installation of filter membrane: Install the filter membrane correctly according to its size and shape. Ensure that the filter membrane is tightly connected to the equipment to prevent liquid leakage.

Prepare liquid: Pour the liquid to be filtered into a sterile needle filter, taking care not to exceed the maximum capacity of the equipment.

Filter: Turn on the switch of the sterile needle filter, adjust the flow rate, and start filtering. Pay attention to the pressure changes of the equipment and ensure that the pressure is within the normal range.

Collect filtrate: After filtration is completed, turn off the switch of the sterile needle filter and collect the filtrate into the designated container.

Cleaning and disinfection: Clean the sterile needle filter thoroughly and disinfect it with disinfectant.