6results about How to "Avoid turbidity" patented technology

The present application relates to the field of analytical chemistry, and provide a kind of method for detecting complex matrix of agricultural products in guanidine morpholino salt hydrochloride.The extraction solvent of the present application uses acetonitrile+acid+aqueous solution, different acid is selected according to the water content of sample, trifluoroacetic acid is used for high water content sample, and formic acid is used for low water content sample;In purification, pH value is adjusted according to the oil content of sample, ammonia is used to adjust pH to 8.5 for high oil content sample, and pH value can not be adjusted for low oil content sample.In the method, NaCl is not added to make organic phase and aqueous phase in extraction liquid stratified, through the way of extracting three times repeatedly, the recovery rate of the method is guaranteed;And using ultra-high phase liquid chromatography triple quadrupole mass spectrometry technology, guanidine morpholino salt hydrochloride in complex matrix of agricultural products is successfully detected, the extraction method is fast and simple, the quantitative limit of guanidine morpholino salt hydrochloride in tea is 0.1mg / kg, and the quantitative limit in other matrix is 0.05mg / kg, which is suitable for routine analysis, and can meet the quantitative detection requirements of guanidine morpholino salt hydrochloride in complex matrix of agricultural products.

This utility model relates to the field of mixing device technology and discloses a mixing device for ginseng beverages. It includes a stirring tank, a mixing component located between the top and bottom of the top cover, a filter component inside the feed pipe, a limiting component for fixing the filter component on the outer side of the feed pipe, and a flow-retarding component at the top of the filter component. This utility model allows ginseng extract to flow slowly into the feed pipe, preventing it from accumulating on the filter component and affecting filtration efficiency. Filtration can be performed before the ginseng extract enters the stirring tank, filtering particulate impurities onto the top of the filter plate. This prevents the ginseng extract containing particulate impurities from mixing with other ingredients, thus avoiding a rough taste, cloudiness, and dark color caused by particulate impurities, thereby improving the visual appeal of the ginseng beverage and increasing consumer acceptance.

The utility model is applicable to the technical field of food processing technology and equipment, and provides a cold water soaking device for preparing an extracting solution, which comprises a device main body, the device main body comprises a soaking tank and a sealing cover, and a chute is arranged in the soaking tank; the soaking device comprises a charging barrel, a fixing rod and a leakage-proof cover, the fixing rod is fixedly connected to the leakage-proof cover, the charging barrel is provided with a water leakage groove and a rotating groove, and the leakage-proof cover is provided with a fixing column and an abutting plate; according to the plant raw material adding device, when plant raw materials need to be added, a worker rotates the fixing rod, then the fixing column is driven to rotate in the rotating groove till the abutting plate coincides with the rotating groove, and then the fixing rod is lifted upwards; in the soaking process, the plant raw materials are placed in the charging barrel; the clamping plate is attached to the upper end of the charging barrel, and the bottom wall of the charging barrel makes contact with the bottom wall of the sliding groove, so that the charging barrel and the leakage-proof cover are fixed, it is prevented that plant raw materials are scattered out of the charging barrel to cause turbidity of a solution in the charging barrel, and subsequent solid-liquid separation is facilitated.

The utility model relates to the technical field of vinasse storage, and aims to solve the problems that relatively high moisture is still remained in a dehydrated solid and fine particles are easy to discharge along with a liquid in the conventional vinasse solid-liquid separation device, so that filtrate is turbid. The utility model provides a solid-liquid separation device for vinasse storage. The solid-liquid separation device comprises a tank body, a filter cylinder body, a transverse partition plate and a plurality of vertical partition plates, the transverse partition plate is arranged at the bottom of the tank body; the tank body is divided into a material storage cavity and a liquid collection cavity through the transverse partition plate; the filtering cylinder body is vertically arranged in the middle of the material storage cavity and is communicated with the liquid collection cavity; the material storage cavity is divided into a plurality of material storage chambers through the vertical partition plates. The storage chamber is communicated with the side wall of the filter cylinder; according to the utility model, fine particles discharged along with liquid can be reduced, filtrate turbidity is avoided, and the dehydration effect and efficiency can be improved.

The application belongs to the technical field of diesel anti-wear agents, and specifically provides a composite diesel anti-wear agent and a preparation method thereof, and a preparation method of the composite diesel anti-wear agent, which is obtained by mixing and treating fatty acid ester, base oil, Fischer-Tropsch wax, squalene and tocopherol acetate; the preparation steps comprise the following: S01. mixing the base oil and the Fischer-Tropsch wax, heating to complete dissolution of the Fischer-Tropsch wax under a nitrogen atmosphere to obtain a first mixture; S02. adding the fatty acid ester, the squalene and the tocopherol acetate to the first mixture, stirring and uniformly mixing to obtain a second mixture; S03. supplementing the base oil to the second mixture, continuing to stir and then cooling to room temperature to obtain the composite diesel anti-wear agent. The composite diesel anti-wear agent prepared in the application has good emulsion resistance and wear resistance.

The present application belongs to the technical field of electroplating nickel-phosphorus alloy, and particularly relates to a positive and reverse pulse electrolytic nickel-phosphorus alloy solution, a preparation method, an electroplating method and a nickel-phosphorus alloy coating. The nickel-phosphorus alloy solution comprises 20-500 g / L of nickel salt, 30-300 g / L of phosphorous acid compound, 5-30 g / L of boric acid, 0.5-50 g / L of organic acid and 0.2-35 g / L of pyridinium compound. The present application adopts a positive and reverse pulse cyclic electroplating method, can obtain a nickel-phosphorus alloy electroplating product with uniform coating distribution, saves the amount of nickel-phosphorus alloy used for each plating piece, reduces the production cost, improves the product quality, and can meet the trend of high-end development of electroplating manufacturing nickel-phosphorus alloy coating in the field of electronic product manufacturing.