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[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fauto-eva-12-automated-parallel-nitrogen-evaporator%2F[/a] <br> <br>#nitrogen #evaporation <br> <br>RayKol Auto EVA 12 is a nitrogen blow-down automated evaporation system that provides automated evaporation of up to 12 samples in parallel with endpoint detection. This automated nitrogen evaporation system uses vortex airflow generated from stable angled nitrogen blow, to constantly disturb the sample surface and lower its vapor pressure in order to gain gently rapid evaporation under water bath heating. Each sample position is equipped with optical sensor to precisely determine endpoint of concentration. User can have real-time monitoring to whole process through built-in touch screen, make it easier to access and observe. <br> <br>AUTO EVA 12 AUTOMATED EVAPORATION SYSTEM FEATURES <br>Batch processing, simultaneous evaporation of up to 12 samples in parallel <br> <br>Rapid concentration under water bath and nitrogen blowing <br> <br>Transparent sink design for observation <br> <br>Good compatibility with various sample vials and ajustable blowing angle <br> <br>Automatic endpoint detection to avoid over-drying <br> <br>Sprinkle rinsing to sample vials to maximize recovery rate <br> <br>AUTO EVA 12 AUTOMATED EVAPORATION SYSTEM SPECIFICATIONS <br>Parameter Specification <br>Concentration Water bath heating and nitrogen blowing <br>Sample capacity 12 <br>Range of concentration temperature Room temperature to 60°C <br>Sample vials 65mL, 260mL; glass tube with stems <br>Endpoint detection 1.0mL, 0.5mL <br>Range of gas flow rate 0 to 5.0mL/min, precise to 0.1mL/min <br>Software interface 10-inch built-in screen <br>Dimension 58cm x 46cm x 56cm <br>Weight 41kg <br>Power supply 200 to 240V, 50/60Hz <br>Power rate 1500W <br>Fume hood/ventilation Required <br>Storage temperature 0 to 40°C <br>Storage humidity 20 to 85% <br>Operating temperature 10 to 40°C <br>Operating humidity 20 to 80% <br> <br>AUTO EVA 12 AUTOMATED EVAPORATION SYSTEM APPLICATIONS <br>Auto EVA 12 Automated evaporation system is designed for large-volume concentration for sample batches, typically used to evaporate extracts of soil and water samples from evironment, azo dye from textiles, fat and acid value from fried foods, as well as residues of pesticides and veternary drugs. It can be applicable in types of analysis such as: <br> <br>Soil and sediment - Determination of organochlorine pesticides - GC/MS <br> <br>Solid waste - Determination of polychlorinated biphenyls - GCMS <br> <br>Textiles ― Determination of the banned azo colourants <br> <br>AUTO EVA 12 AUTOMATED EVAPORATION SYSTEM BENIFITS <br>Large sample capacity: each batch can accommodate max. 12 samples, flexible in 65mL and 260mL sample tubes, with endpoint detection.

#quechers #extraction #kit <br> <br> <br> <br>RayCure QuEChERS Ceramic homogenizers can effectively increase sample preparation efficiency by their excellent homogenizing and dispersing abilities. RayCure Ceramic homogenizers are both compatible with RayCure QuEChERS extraction kits and clean-up kits, provide full solution for QuEChERS lab consumables. <br> <br>FEATURES OF RAYCURE QUECHERS CERAMIC HOMOGENIZERS <br>Inert ceramics material, no impurities <br>Improve extraction efficiency, lower cost <br>High recovery rate and reproducibility <br>Evenly disperse salts, avoid agglomeration <br> <br>For more information about automatic liquid dispenser and lab automation systems, please feel free to contact us! <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fraycure-quechers-ceramic-homogenizers%2F[/a]

#quechers #extraction #kit <br>Raykol vacuum evaporation equipment is an ideal solution for analytical laboratories. In the analysis of environmental pollutants and food safety, technology of rapid concentration with no loss of analytes is still in development, to ensure the reliability of detection and analysis of trace target compounds. RayKol automated vacuum evaporation system combines the advantages of nitrogen evaporation system and rotary evaporator with vacuum control system, to optimize concentration efficiency in analytical laboratories. Please contact us for vacuum evaporator price! <br> <br>WHAT IS VACUUM EVAPORATION SYSTEM? <br>Vacuum evaporation is the process of reducing the pressure in a liquid-filled container to below the vapor pressure of the liquid, causing the liquid to evaporate at a lower temperature than normal. This process is used to increase the concentration of desired substances based on the difference in boiling points between desired compounds and solvents. It has become one of the common evaporation techniques used in the concentration process of sample pre-treatment prior to analytical instruments. <br> <br>Automation of vaccum evaporation is to adopt a digital vacuum control system to set prefered pressure value and program gradient pressure change according to methods and properties of target substances. <br> <br>RayKol Automated vacuum evaporation system performs parallel evaporation using vacuum negative pressure, water bath heating and oscillation, to ensure evaporating conditions for various samples to be constant and controllable, and prevent analyte loss in low vacuum. <br> <br>We provide automated liquid handler, laboratory and analytical supplies, graphite digester, automated systems in a lab environment, etc. For more information, please feel free to contact us! <br> <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fvacuum-evaporation-system%2F[/a]

#quechers #extraction #kits <br>RayCure SPE series provides high-quality SPE cartridges for various types of solid phase extraction, including manifold, vacuum as well as automated solid phase extraction equipment, well compatible with RayKol automated solid-phase extraction systems. RayCure SPE cartridges utilize high-quality sorbents to ensure the efficiency of SPE clean up, offers full range of SPE cartridges for various sample matices. Strict quality managment and control ensures high recovery rate of analytes and experiment reproducibility. RayKol provides effective, efficient and economial SPE cartridges with high performance. <br> <br>RULES TO SELECT RAYCURE SPE CARTRIDGE TYPES <br>Rule I: <br> <br>The properties of solid phase packing in SPE cartridges should be match to target compounds. <br> <br>Rule II: <br> <br>Take the advantage of differences between analytes of interest and interferences <br> <br>Rule III: <br> <br>Consider nature of SPE sample matrices, characteristics of analytes and solubility of used solvents <br> <br>Users can select RayCure RayCure SPE Column depending on properties of desired analytes and sample matrices as following selection guides. <br> <br>HOW DOES SPE COLUMN WORK? <br>SPE is a conventional and efficient extraction technique, it uses the affinity of solutes dissolved or suspended in mobile phase for stationary phase to separate desired compounds from a mixture. And there are two solid phase extraction mechanisms to obtain target analytes from complex samples, to retain desired compounds in stationary phase or retain impurities in solid phase. Depending on the difference of two mechanisms, SPE procedures could be a bit various. <br> <br>When sample portion passes through SPE column, undesired impurities are discarded with mobile phase, target compounds are retained in stationary phase, then rinse stationary phase with eluents to collect target compounds. It is the most commonly used purification mechanism of solid phase extraction. <br> <br>In the opposite, to retain impurities in stationary phase, target compounds and few impurities are collected in mobile phase when sample portion passes through SPE column. Rinse the stationary phase which impurities is retained with solvents to obtain rest of retained target compounds. This mechanism is mostly used to eliminate fat-soluble impurities of ion analysis and analysis of multiple pesticides in fruits and vegetables. <br> <br>We provide liquid handler, laboratory and analytical supplies, solid phase extraction cartridge, cartridge spe, lab analytical instruments, total laboratory automation system, etc. For more information, please feel free to contact us! <br> <br> <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fspe-cartridges%2F[/a]

#quechers #extraction <br>RayCure SPE series provide pre-packed SPE columns with a variety of sorbents, resins and cartridge size for various methods and target analytes. There are four types of RayCure SPE categorized by its polarity and ion exchange capacity, normal phase SPE columns, reversed-solid phase extraction column, ion exchange SPE columns and mixed-mode SPE columns. Users can select any SPE columns according to sample volume, sample matrices, properties of analytes and methods from a wide range of SPE columns. <br> <br>FEATURES OF RAYCURE SPE COLUMNS <br>High-quality packing materials <br>Great variety of SPE columns with various sorbents <br>High recovery rate and reproducible <br>Economical SPE columns with good performance <br> <br>For more information about lab automation software and liquid handler, please feel free to contact us! <br> <br> <br> <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fraycure-spe-columns%2F[/a]

#quechers #spe <br>RayCure QuEChERS Extraction kits are used in the step of extraction with salts in QuEChERS workflow, to transfer target analytes into organic phase using MgSO4 and buffer. The composition of extraction kits is based on the requirements of various QuEChERS methods. Several formats of kits are available for selection according to your preferred methods and target compounds. <br> <br>FEATURES OF RAYCURE QUECHERS EXTRACTION KIT <br>Aluminium bar package design, easy to open and pour out <br>Clearly label salt composition for selection <br>Add extraction salts after organic solvent, avoid partially heated <br> <br>We provide spe extraction, laboratory and analytical supplies, lab analytical instruments, laboratory automation system, etc. For more information, please feel free to contact us! <br> <br> <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fraycure-quechers-extraction-kits%2F[/a]

#raykol <br> <br>RayCure QuEChERS Clean-up kits are used in the step of purification with salts in QuEChERS procedure, to separate target compounds from interference matices by sorbents. The composition of clean-up kits is based on the requirements of various QuEChERS methods. Several formats of kits are available for selection according to your preferred methods and target compounds. <br> <br>FEATURES OF RAYCURE QUECHERS CLEAN-UP KITS <br>Select sorbents and salts based on sample matrices <br>Wide ranges of salt formatst to meet method requirements <br>Flexible customization to a various ratios of sorbents and salts <br> <br>We provide automated lab equipment, laboratory and analytical supplies, quechers extraction, automated lab systems, etc. Want to know more about quechers spe, please contact us. <br> <br>[a]https%3A%2F%2Fwww.raykolgroup.com%2Fproducts%2Fraycure-quechers-clean-up-kits%2F[/a]