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3 results about "Methylene blue" patented technology
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Methylene blue, also known as methylthioninium chloride, is a medication and dye. As a medication, it is mainly used to treat methemoglobinemia. Specifically, it is used to treat methemoglobin levels that are greater than 30% or in which there are symptoms despite oxygen therapy. It has previously been used for cyanide poisoning and urinary tract infections, but this use is no longer recommended. It is typically given by injection into a vein.
Magnetic composite material based on cow dung biochar and application thereof
InactiveCN110508246ALarge specific surface areaImprove the magnetization effectOther chemical processesWater contaminantsCongo redNitrogen atmosphere
The invention discloses a magnetic composite material based on cow dung biochar and application thereof, and the magnetic composite material is prepared by the following methods: S1, drying fresh cowdung and crushing to obtain dried cow dung powder; S2, adding the cow dung powder into a ferric chloride solution, oscillating at constant temperature, reacting at 70-90 DEG C for 1-4 hours, filtering, washing and drying to obtain modified cow dung; S3, pyrolyzing the modified cow dung in a nitrogen atmosphere for 0.2 to 2 hours at a pyrolysis temperature of 200 to 800 DEG C, and cooling to room temperature to obtain the magnetic composite material based on the cow dung biochar. The composite material has large specific surface area, high adsorption efficiency, excellent magnetization performance and convenient separation and recycling, therefore, the composite material can be used for removing acid-base organic matters in water bodies, such as methylene blue, Congo red and the like, and has high removal rate.
Owner:HUAZHONG AGRI UNIV
Polyvinyl alcohol/methylene blue/nano-silver composite sensing film as well as preparation method and application thereof
ActiveCN113668244AReduce volumeEasy to carryChemiluminescene/bioluminescenceFibre typesPolyvinyl alcoholAlcohol ethyl
Owner:SICHUAN UNIVERSITY OF SCIENCE AND ENGINEERING +1
Yellow environment-friendly textile dye mixture
InactiveCN111004523AEnvironmentally friendly, safe and non-irritatingImprove performanceOrganic dyesOXALIC ACID DIHYDRATEMaterials science
The invention discloses a yellow environment-friendly textile dye mixture, and belongs to the technical field of textile dyes. The yellow environment-friendly textile dye mixture is prepared from 20 to 50 parts of a mineral dye, 30 to 40 parts of uranidin, 15 to 25 parts of 1-[(2-hydroxyethyl) amino]-4-(methylamino), 40 to 50 parts of Lffler's methylene blue, 20 to 30 parts of oxalic acid, 1 to 4parts of an auxiliary agent and 1 to 5 parts of butyl acrylate. The yellow environment-friendly textile dye mixture is prepared from the mineral dye, uranidin, 1-[(2-hydroxyethyl) amino]-4-(methylamino), Lffler's methylene blue, oxalic acid, auxiliaries and butyl acrylate according to a certain proportion, and has the advantages of being environmentally friendly, safe, free of stimulation, friendly to the environment, excellent in performance, uniform in dyeing, resistant to washing and the like.
Owner:XIANGYANG XINZHENG TEXTILE
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