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Principle of automatic nucleic acid extraction and purification instrument
Automatic nucleic acid extraction and purification equipment is to extract and purify nucleic acid by magnetic bead method, according to the selection of the corresponding kit for multi-source samples (such as blood, animal and plant tissues, cells, etc.) nucleic acid separation and purification....Read more -
Introduction of mask synthetic blood penetration tester
Medical mask synthetic blood penetration tester main features: 1. The protruding sample fixing device can simulate the actual use state of the mask, leave the test target area, and do not damage the sample, and make the synthetic blood distributed in the sample target area. 2. Special constant ...Read more -
Discussion on plastic fog measurement with fog meter
The haze of plastic refers to the ratio of the scattered light flux and transmitted light flux that deviates from the incident light through the sample, expressed in percentage. Fog is due to material surface defects, density changes or light scattering impurities caused by the material interior ...Read more -
The function and principle of dry flocculation tester
Dry flocculation tester is used to test non-textile fabric, non-woven fabric, medical non-woven fabric in the dry state of the amount of fiber chips, can be raw non-woven fabric and other textile materials dry flocculation experiment. Dry state flocculation tester working principle: 1. The samp...Read more -
A brief discussion on textile moisture permeator
Designed and manufactured in accordance with GB/T12704-2009 “Fabric moisture permeability Determination Method moisture permeability cup method/Method A hygroscopic method”, it is suitable for testing the moisture permeability (steam) of all kinds of fabrics (including moisture permea...Read more -
Bacterial filtration efficiency tester for epidemic masks
The bacterial filtration efficiency tester is suitable for surgical masks: it is used to cover the user’s mouth, nose and jaw, and to provide physical barrier to prevent the direct transmission of pathogens, microorganisms, body fluids, particles, etc. The bacterial filtration efficiency te...Read more
