7results about How to "Guaranteed extraction efficiency" patented technology

The invention discloses a method for determining the content of rubber in a rubber-containing plant based on gel permeation chromatography, and relates to the technical field of analytical chemistry, and the method specifically comprises the following steps: S1, sample pretreatment: drying a rubber-containing plant sample and grinding into powder; s2, rubber extraction: performing ultrasonic extraction on the powder by using a mobile phase of gel permeation chromatography as an extraction solvent, centrifuging, and collecting supernate to obtain an extracting solution; s3, GPC (Gel Permeation Chromatography) detection: filtering the extracting solution, and injecting the filtered extracting solution into a gel permeation chromatographic instrument with a single chromatographic column for detection. The complete plant rubber content determination method is constructed by combining a total rejection GPC principle with an efficient sample pretreatment process, the defects of tedious pretreatment, low detection efficiency or inaccurate detection in the prior art are overcome, the method has the advantages of rapidness, accuracy and the like, extraction and detection parameters can be flexibly adjusted according to different plant samples, and the method is suitable for large-scale popularization and application. The method is suitable for quality analysis and breeding research of various gelatin-containing plants, so that the compatibility is improved.

The utility model discloses a low temperature boiling pot for honeysuckle chlorogenic acid extraction, including the body of pot, the pot cover, heating device, stirring device, filter device and control device. The bottom of body of pot is equipped with the heating cavity of adaptive cone and the heating tube of helical distribution in the heating cavity, is equipped with the openable flap, the observation window and the exhaust hole on the pot cover, and the stirring device adopts the scraper type stirring structure, and the stirring structure is composed of the stirring main shaft, the supporting arm and the elastic scraper, is provided with multiple groups of radial extension supporting arms on the stirring main shaft, and the end of each supporting arm is equipped with the elastic scraper of the adhesion body of pot inner wall surface, the bottom of body of pot is equipped with the discharge gate and double -deck filter device, and control device can accurate control heating temperature, boiling time, stirring speed parameter etc. This boiling pot can even heating, promote the even heating of medicinal liquid, filter impurity and accurate temperature control, effectively avoid honeysuckle pasting and chlorogenic acid high temperature degradation, improve chlorogenic acid extraction efficiency and quality.

The utility model belongs to the automobile adhesive tape processing technical field, concretely speaking is a kind of clamping tool for automobile adhesive tape gluing, including bottom plate, a group of placement blocks are fixedly connected on the bottom plate, the cross section of placement block is U-shaped, and the two ends of placement block are high and low, two groups of first through slot of symmetrical distribution are set up on the bottom plate, a pair of symmetrical distribution L-shaped plate is fixedly connected on the bottom plate bottom end, and first air cylinder is fixedly connected on L-shaped plate end portion, the output of first air cylinder is equipped with fixed plate, the top end of fixed plate is equipped with push rod through shift rail mechanism, and push rod top end is equipped with clamping plate through first through slot, and clamping plate is hook-shaped, and clamping plate is close to the high end of placement block, adhesive tape is placed in the middle part of placement block, the utility model provides a kind of clamping tool for automobile adhesive tape gluing to solve the problem of the influence of the clamping plate straight up and straight down on adhesive tape taking and placing efficiency.

The application relates to the field of laminarin production, in particular to a device for extracting laminarin from seaweed, which comprises a crushing device, a filtrate tank and a three-stage extraction device arranged on the body of the extraction device, a feeding pipe is fixedly connected between the sidewall of the filtrate tank and the crushing device, a liquid outlet pipe is fixedly connected between the bottom of the filtrate tank and the three-stage extraction device, and a first insertion groove and a plurality of second insertion grooves are arranged in the sidewall of the filtrate tank. The device for extracting laminarin from seaweed is convenient for mounting and dismounting the multi-stage filter screen, thereby facilitating cleaning; when filtering, the seaweed on the first filter screen can be scraped flat, the efficiency and effect of filtering are guaranteed, meanwhile, the seaweed on the first filter screen can be rolled, and the first filter screen can reciprocate during rolling, so that the rolling efficiency is higher and the effect is better, the filtrate is more complete, waste is avoided, and the extraction efficiency and effect of laminarin are guaranteed.

The invention relates to the technical field of mineral extraction, particularly discloses a method for efficiently extracting barite single mineral in black mudstone rich in organic matters, and solves the technical problems that micron-sized barite in black mudstone cannot be efficiently extracted in the prior art, lattice destruction / isotope fractionation of barite is easily caused in the extraction process, the purity and the recovery rate are low and the like. The purity of the extracted barite single mineral is larger than or equal to 99%, the recovery rate of fine-fraction barite is larger than or equal to 90%, crystal lattices are complete and free of damage, isotope fractionation and component change are avoided, and the high-precision geochemical test requirement can be met; meanwhile, the method is suitable for various sedimentary rocks such as marine / continental black mudstone, shale and siliceous mudstone, and the applicability is wide.

The invention relates to the technical field of natural product extraction and separation, and discloses a spore oil preparation method with a high ganoderma triterpenoid extraction rate, the method comprises pretreatment, supercritical extraction, separation treatment and purification treatment, impurities and dust are removed through screening treatment to obtain pure spores, and the spores are dried to obtain the ganoderma triterpenoid spore oil with the high ganoderma triterpenoid extraction rate. Wall-breaking treatment is carried out by combining a low-temperature superfine grinding technology, so that the spore powder achieves high fineness and high wall-breaking rate, spore cell walls are destroyed, and the specific surface area is increased, thereby ensuring that ganoderma triterpenes are fully dissolved out in the subsequent supercritical extraction process, and improving the extraction rate; the extraction pressure and the extraction temperature are controlled, an entrainer ethanol is added, the dissolving property of supercritical carbon dioxide is improved, polar components such as ganoderma triterpenes are efficiently extracted, meanwhile, through preheating treatment, temperature impact is reduced, component degradation is avoided, and the stability and the extraction efficiency of the extraction process are guaranteed.

The present application relates to a kind of fish oil extraction equipment and its extraction process, belong to fish oil extraction technical field, by adopting the synergies of helical guide rail and elastic limiting part, multiple stirring parts are sequentially separated from limiting under the control of driving part and swing in vertical direction, form continuous wave type stirring track, reciprocating activity part and helical guide rail being set in the center of stirring barrel, cooperate with the synergies of elastic limiting part and stirring part, realize the effective stirring of high viscosity fish oil, both realize the uniform mixing and cyclic flow of material, shear force is dispersed into multi-section progressive action, avoid the mechanical damage of traditional high-strength concentrated shearing to protein-phospholipid complex colloid structure, while the buffer characteristics of elastic limiting part further reduce impact stress, solve the problem that the high viscosity of fish oil and its sensitive colloid structure in prior art make traditional high shear stirring easily lead to active ingredient loss and system stability reduction.