Several efforts to miniaturize ion traps have produced devices that are lighter and lower power than their full-sized counterparts. Traps have a smaller size compared with magnetic sector instruments and are able to operate at a higher pressure (10 −3 Torr) compared with TOF and most other analyzers.
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Ion traps in particular are a promising choice for making a portable MS. Efforts have been made to miniaturize several different types of mass analyzers including time-of-flight (TOF), magnetic sector, quadrupole mass filter, and ion trap. To be portable, a MS requires some combination of smaller physical dimensions or weight and lower power consumption. In contrast to routine use of MS in the laboratory setting, portable MS is able to broaden applications and benefit areas in which samples are less conveniently brought into the lab. Mass spectrometers (MS) are among the most widely used instruments for identifying unknown compounds or analyzing samples at trace amounts the method is both informative and sensitive. Implications of these results for miniaturized ion traps are discussed. Varying the DC (axial) trapping potential can elucidate the effects where more misalignments in more than one DOF affect performance.
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The effects of plate spacing (y-displacement) on both resolving power and ion ejection efficiency are attributable to higher-order terms in the trapping field. Lateral displacement (x) and yaw (rotation of one plate, but plates remain parallel) both have a strong impact on ion ejection efficiency, but little effect on resolving power. Pitch, or the degree to which the plates are parallel along the axial direction, has the largest and sharpest impact to resolving power, with resolving power dropping noticeably with pitch misalignment of a fraction of a degree. A comparison between the experiment and previous simulations shows reasonable agreement. High-precision motorized actuators were used to vary the alignment between the two ion trap plates in five DOFs-x, y, z, pitch, and yaw. Alignment of plates in a two-plate planar LIT is ideal to characterize misalignment effects, as it represents the simplest possible case, having only six degrees of freedom (DOF) (three translational and three rotational). We're not happy if you're not happy - if there's anything at all we can do to improve your browsing and purchasing experience please contact us and let us know what we can do to meet your needs.The performance of miniaturized ion trap mass analyzers is limited, in part, by the accuracy with which electrodes can be fabricated and positioned relative to each other. Our sales and technical team at Industrial Tech Supply will do everything possible to make sure you find exactly what you need at the right price. And if you're in a hurry use our convenient inventory search to quickly find exactly what you're looking for. Once you see what we have to offer we know you'll agree that no other site offers such a comprehensive and well-organized selection of economically priced equipment and tools. Our association with ebay allows us to provide you with the best possible selection of affordably priced tools available for sale from a variety of trustworthy sellers.Įxplore our exhaustive list of venerable and trusted top-tier equipment brands and manufacturers to find all of the instruments and tools that you're looking for. With such a substantial spectrum of manufacturers and brands to explore and choose from you need you're certain to find the equipment you need for a price that you'll be very happy with. We strive to offer industrial technology solutions for everyone - brand new equipment for those whose business finances allow it and discount-priced refurbished and pre-owned tools for those on more restrictive budgets.
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