A 3D-Printed Higher-Throughput NMR Tube Cleaner
thingiverse
This is the base of a 3D printed NMR tube cleaner which allows up to 5 tubes to be cleaned at once. It is recommended to print with the polypropylene (PP) for better resistance to organic solvents. PP packing tape was used on the printing bed to help the filament adhere. Long coffee-stirrer straws (also made of polypropylene) are inserted into this base, and this device is placed on a standard vacuum filtration assembly. Detailed assembly and operation instructions are available in our open-access publication: Wong, D. A.; Lin, S. J. Lab. Chem. Educ. 2021, 9, 37 (https://doi.org/10.5923/j.jlce.20210903.01 ). This design can be modified with the attached files. Version 1.1 is recommended, which is scaled 98% (to ensure a more snug fit with the straws) and 1 cm shorter (to save on printing time and filament) Link to polypropylene straws used in the publication: https://www.amazon.com/Crystalware-Plastic-Stirrer-Coffee-Cocktail/dp/B00ATJOMNI/ref=sr_1_13?crid=TG6F940K3YEL&dchild=1&keywords=polypropylene+coffee+straws&qid=1633009909&sprefix=polypropylene+coffe%2Caps%2C273&sr=8-13
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