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Learning how to use an Agilent 1260 LCMS (with just the diode array detector, not the MS). Oh. My. God. I last used an Agilent 1200 LC 10 years ago. This bloody 1260 is wildly complex, specifically in regard to the MassHunter data collection and workup software....
I’m very sorry to see Boeing in its current predicament with its 737 Max 8 aircraft and the shocking loss of life in the two crashes. To mix metaphors, it’s a real train wreck. I took the public tour of the Boeing facility in Everett, WA, last summer....
I encountered this interesting article while reading about Octave Levenspiel, a prolific chemical engineer, now deceased. It is entitled Dinosaurs, but it is really about the natural history of our atmospheric composition and pressure. Have a look....

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One of the things you have to consider when scaling up a chemical process is the composition of the wetted or exposedsurfaces in the reaction vessel, associated feed piping, gaskets,and overhead vapor spaces. Common materials of construction subject to wetting...
Many readers know that research assistant Sheri Sangji died from burns sustained in a laboratory fire in the lab of UCLA professor Patrick Harran. Harran and university Regents are up on felony charges for their part in the incident. I understand that the charges...
A few photos found at the Library of Congress are shown below. Frankly I’m not sure about the copyright, so I’m asserting the right to reproduce hereunder the fairness doctine.The New Idria mine in California was a productive mine and smelting operation.Note...

Latest posts linking here

Brief thoughts on a Saturday:This posting by @belehaa about the relative importance of family time in graduate school is quite good. It reminds me of this (rather morbid, but still gripping) mortality clock titled "See Your Parents."[I am probably not the first...
Th'Gaussling is undergoing chemotherapy and is having some fun with his PET scans. Click here to see his longer explanation of 18F-glucose and PET scans. ...
Th'Gaussling writes a really great summary of ways that you can get less expensive prices from chemical manufacturers if you decide to scale up your chemistry -- it is really worth your time:To the greatest extent possible the raw materials for your product...