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"JISZ2801: 2012 antibacterial processing -antibacterial testing method / antibacterial effect" is a test method mainly used mainly for flat test pieces. Comparing the degree of bacteria proliferation with antibacterial processing tests and unprocessed testing. ISO22196 is a similar test method. ■ Examination method A test fungal solution (prepared using a 1/500 neutrient medium) is used to a polyethylene film on a sample (an antibacterial processing test piece or a non -processing test). 35 ° C, relative humidity of 90%or more for 24 hours. Unprocessed test pieces are washed immediately after vaccination, 24 hours after culture, and antibacterial processing test pieces are washed away the specimen 24 hours after culture. The number of raw bacteria of the washed liquid is measured and the number of bacteria of the specimen is calculated. * 1 Test for three test pieces per sample. * The sterilization of the test piece before the test is not performed unless there is instructions. If you wish, please let me know. * A piece of unprocessed testing refers to "the same substrate as an antibacterial processing test piece that does not perform antibacterial processing". * It is also possible to use a test piece that has been processed using a liquid or wet wipe as an antibacterial processing test piece. If you have a synthetic resin (polypropylene) test, a glass test, or a stainless steel test, we are ready. ■ Test bacterial species ・ STAPHYLOCCUSAUREUS ・ Escherichiacoli (Escherichia coli) NBRC3972 * The specified bacteria specified in JISZ2801 are the above two bacteria. Depending on the purpose of the test, it is possible to change the test bacterium from the specification. * Although it is a method specified by bacteria, we also accept requests for performing with yeast. Change the conditions of the culture at the time of the previous culture and the number of bacteria in the number of raw bacteria to the condition suitable for yeast. ■ The required amount of the sample size ・ 50 ± 2mm square (within 10mm thick) Minimum number of sheets required ・ Antibacterial processing test piece: 6 pieces (3 pieces per bacterium) ・ No processing test piece: 12 pieces (6 pieces per bacterium) * If possible, we would appreciate it if you could provide more than 1.5 to 2 times the required number, including the spare. * If there is a specification on the surface to be tested (aspect of antibacterial processing, aspect for antibacterial effects), please tell me when applying for the test or when transmitting a sample. If there is no specific specification because of the antibacterial processing on both sides, the testing solution will be given to any surface and the test will be performed (even if there is no specification, please let us know). ■ Information necessary for the test implementation It is smooth if you can get the following information when quoting. ・ Number of specimens ・ Presentation of specimens corresponding to non -processed test pieces ・ Requested effects * (except for the Japanese Report) ・ Test bacterium species (if you want to do it with bacterial species different from the rules) ・ How to make a test piece (when you want to test using a test piece processed with liquid or wet wipe) * If there is no request, only the Japanese sentence (test method and test result (judgment result of the testing conditions, the number of raw bacteria after culture, antibacterial activity), no image). ■ Delivery date 3 weeks ~ ※Please contact us for more information. cost Please contact us.
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Antibacterial test (JIS Z 2801)Handling Company
Sanitation Microbial Research Center| Image | Price (excluding tax) | Investigate content | Main sample properties |
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Available upon quote | Prolification / growth suppression effect of bacteria by sample (quantified) | Plate -shaped test piece |
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