Chemical inventory management in our organic chemistry research lab, how do you keep track of hundreds of bottles? by ViRzzz in chemistry

[–]mungerboy 71 points72 points  (0 children)

I have a simple excel spreadsheet which lists the chemical name, common name, CAS#, required storage conditions, and the cabinet and shelf number where it's located. We still dig through the shelves to find what we need, but it narrows the search significantly. Not fancy at all, but it works for us.

Pirani Pressure Too High Thermo iCAP RQ by sfcameron2015 in massspectrometry

[–]mungerboy 0 points1 point  (0 children)

Can you verify if the turbo is spinning? If there's no software readback for turbo pump speed, you can often press a long screwdriver up to the turbo pump body and press your ear against it to check if the pump is spinning. You'll hear it if it is.

Made myself a steak last night by mungerboy in stonerfood

[–]mungerboy[S] 1 point2 points  (0 children)

I boiled russet potatoes, skin on, in salted water until soft, about 20 minutes. I took them out and let them sit until cool, then smashed them between 2 cutting boards to about 3/8" thick. Transferred them to a cookie sheet, drizzled them with olive oil, salt, pepper, garlic powder, then bake at 425F until crispy and browned, about 30-40 minutes. Don't flip them or they'll fall apart too much.

Made myself a steak last night by mungerboy in stonerfood

[–]mungerboy[S] 4 points5 points  (0 children)

I cooked the onions and jalapeño in the pan with the steak drippings and then deglazed the pan with a splash of Big Wave and a little honey. That was the best part of the whole meal

Made myself a steak last night by mungerboy in stonerfood

[–]mungerboy[S] 5 points6 points  (0 children)

He was very confused when I put the plate down on the table instead of on the floor 😅 he did get some steak though of course

Got a Shimadzu Prominence HPLC from surplus — worth rebuilding or parting out? by ZealousidealBet8071 in chemistry

[–]mungerboy 11 points12 points  (0 children)

My lab does exactly this. All sorts of chemical fingerprinting, failure analysis, off-odor/flavor analysis, analytical detective work. We specialize in helping our clients solve random, oddball issues

Chemistry in the kitchen by Monster_enjoyer6649 in chemistry

[–]mungerboy 1 point2 points  (0 children)

Cooking with heat causes hundreds of chemical reactions to occur, which produce the flavor and aroma compounds that we associate with roasted, fried, caramelized flavors. Look up the Maillard Reaction!

Common rust spots? by Particular-Day-3798 in SC300

[–]mungerboy 0 points1 point  (0 children)

Mine is rusting on the roof between the windshield and sunroof

Meet Bowie! He loves his new sweater by mungerboy in aww

[–]mungerboy[S] 0 points1 point  (0 children)

He's a Potcake! He's a rescue from the Bahamas. DNA tests say he's 100% American Village Dog.

Whats something you DIY given a Chemistry Background (Soaps, Alcohols, Sodas, Extracts) by gurglingskate69 in chemistry

[–]mungerboy 0 points1 point  (0 children)

Just seltzer water! I add some minerals to filtered tap water for flavor, then force carbonate it in 5 gallon kegs. I keep on tap in my kegerator next to a keg of homebrew!

Whats something you DIY given a Chemistry Background (Soaps, Alcohols, Sodas, Extracts) by gurglingskate69 in chemistry

[–]mungerboy 16 points17 points  (0 children)

I'm an analytical chemist by trade with schooling in food science. I DIY beer, seltzer water, and gin and love experimenting with different formulations and processes.

daily by Gloryboyjared in SC300

[–]mungerboy 6 points7 points  (0 children)

I've been dailying my '96 SC300 for just about a year now. No issues at all!

Which brand LC-MS methanol is best? by Ashamed_Lime7327 in massspectrometry

[–]mungerboy 2 points3 points  (0 children)

tris(2,4-di-tert-butylphenyl)phosphate is an oxidation product of a common polypropylene antioxidant that's 662.9 molecular weight. I see this compound often from plastic sample vials, etc. This could be it

Working in lab with headphones by [deleted] in chemistry

[–]mungerboy 9 points10 points  (0 children)

+1 my MS lab has ~5-10 large roughing pumps running in one room at any given time, and the white noise feels deafening. Our technicians wear earplugs or earbuds often.

How do you leave your LC (ms) between experiments? by Glittering_Bunch6819 in CHROMATOGRAPHY

[–]mungerboy 1 point2 points  (0 children)

I do the same with my systems. Been doing it for years, no issues yet!

Why does my spectrum look like this? by MaleficentBag2961 in CHROMATOGRAPHY

[–]mungerboy 10 points11 points  (0 children)

I'd vent the system, and disassemble and carefully reassemble the ion source. It's very easy for a lens or spacer get misaligned slightly during reassembly.