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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 pr...Read more »
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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 »
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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 sampl...Read more »
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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 »
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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 »
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Working principle of double head friction resistance testing machine: 1. Changes in surface energy, adsorption and adhesion, and surface properties during friction and wear; 2. Application of wear-resistant and friction-reducing materials and surface engineering technology in friction and wear; ...Read more »
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Fiber tester is a semi-automatic fiber tester with novel design, simple operation and flexible application. It can be used for detecting crude fiber by traditional Wende method and washing fiber by Fan’s method. It is suitable for the determination of crude fiber in plants, feed, food and o...Read more »
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DRK101 tensile testing machine for mechatronics products, the use of modern mechanical design concept and ergonomics design criteria, the use of advanced double CPU microcomputer processing technology for careful and reasonable design made, is a novel design, easy to use, excellent performance, b...Read more »
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Operation steps of automatic digestion instrument: The first step: Put the sample, catalyst, and digestion solution (sulfuric acid) into the digestion tube and place it on the digestion tube rack. Step 2: Install the digestion tube rack on the digestion apparatus, place the waste hood and...Read more »
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DRK – K646 automatic digestion apparatus is a chemical analysis of pretreatment equipment, has advantages of rapid, efficient, convenient, mainly used in food, medicine, agriculture, forestry, environmental protection, chemical industry, biochemical industry, etc, as well as institutions o...Read more »
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Dear friends. Shandong Drick wish you all a happy New Year!! Read more »
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Test method: The fat analyzer mainly has the following fat extraction methods: Soxhlet standard extraction, Soxhlet hot extraction, hot extraction, continuous flow, and different extraction methods can be selected according to the different requirements of users. 1. Soxhlet standard: work in...Read more »
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The fat analyzer grinds the solid matter before extraction to increase the solid-liquid contact area. Then, put the solid matter in the filter paper bag and put it in the extractor. The lower end of the extractor is connected to the round bottom flask containing the leaching solvent (anhydrous e...Read more »
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Franz Von Soxhlet published one of his most important results in the field of lipid technology in 1879, after his papers on the physiological properties of milk in 1873 and on the mechanism of butter production in 1876: He invented a new device for extracting fat from milk, which was later used w...Read more »
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Automatic Kjeldahl nitrogen determination instrument function operation: The functional operations performed in the instrument test sample are as follows: dilution, reagent addition, distillation, titration, effluent discharge, result calculation, printing. Dilution: dilute the digested sample in...Read more »
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According to the principle of Kjeldahl nitrogen determination, three steps are required for determination, namely digestion, distillation and titration. Digestion: Heat nitrogen-containing organic compounds (proteins) together with concentrated sulfuric acid and catalysts (copper sulfate or Kjeld...Read more »
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Attention please! For the determination of the tensile strength of GBT453-2002 paper and paperboard (constant speed loading method), today the editor draws the key points for everyone! Key One: Principle The tensile strength tester stretches the sample of the specified size to break under the con...Read more »
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Electronic fabric tearing tester is suitable for testing the tear resistance of woven fabric, blanket, felt, weft fabric, and nonwoven fabric. Electronic fabric tearing device features: 1, the instrument with special aluminum profile table, shell metal paint processing, all the hammer made of ...Read more »
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Far infrared temperature rise tester for textile products, including fiber, yarn, fabric, nonwovens and their products, using temperature rise test to determine the far infrared properties of textiles. Textile far infrared temperature rise tester features: 1, heat insulation baffle, heat insu...Read more »