Category Archives: lab day

Tomorrow’s Post, but Today

11:30 – I was making up nitrogen-free fertilizer stock solutions for biology kits yesterday when it struck me again as so odd that I’m using reagent-grade chemicals to make up fertilizer solutions. Each of the solutions contains macro- and/or micro-nutrients. … Continue reading

Posted in lab day, science kits | 1 Comment

Tuesday, 30 September 2014

08:18 – Here’s one for the books. A week or so ago, I needed to order 25 g or so of reagent-grade 1-naphthol to make up some modified Griess reagent for forensic kits. Fisher Sci didn’t have it in stock, … Continue reading

Posted in lab day, writing | 15 Comments

Friday, 5 September 2014

07:55 – We’re all caught up on shipping kits. The only orders outstanding are the ones that came in overnight and this morning, which we’ll ship this afternoon. Meanwhile, I need to make up a bunch of solutions today and … Continue reading

Posted in lab day, science kits | 42 Comments

Thursday, 4 September 2014

08:08 – Being a chemistry geek, I get excited about things that other people don’t even notice. For example, yesterday I was making up solutions for kits. One of the solutions I made up was the IKI (iodine/potassium iodide) solution … Continue reading

Posted in lab day, personal, science kits | 28 Comments

Sunday, 31 August 2014

10:41 – Barbara is ironing and cleaning house while I do kit stuff. Right now, I’m dehydrating some magnesium sulfate heptahydrate to anhydrous form. The hydrated form, AKA Epsom salts, is cheap, a couple bucks a kilo in USP/FCC form, … Continue reading

Posted in lab day, science kits | 16 Comments

Thursday, 28 August 2014

07:57 – So, I was down in the lab yesterday making up a new batch of Kastle-Meyer reagent, which is used in forensic science as a presumptive test for blood. It’s made by dissolving phenolphthalein powder in a concentrated solution … Continue reading

Posted in essays, lab day, science kits | 43 Comments

Wednesday, 18 June 2014

08:14 – Two days down, three to go until Barbara returns home. Colin slept through the night last night. The night before, I think he was expecting Barbara to come home, so he got excited every time he heard a … Continue reading

Posted in Barbara, lab day, personal, science kits | 23 Comments

Tuesday, 17 June 2014

08:18 – One day down, four to go until Barbara returns home. Colin behaved pretty well yesterday, but last night was horrible. On average, every 45 minutes or so he’d jump down off the bed and go roaring down the … Continue reading

Posted in Barbara, lab day, personal, science kits | 58 Comments

Thursday, 5 June 2014

08:07 – Public schools have been in the news here lately. With the Republicans firmly in control of state government, big changes to public education are in prospect. Legislators are doing their best to do away with tenure for public … Continue reading

Posted in government, lab day, news, politics | 45 Comments

Friday, 21 March 2014

09:45 – Lots of interesting comments and emails about yesterday’s post. Just to be clear, what I’m designing/building right now are the 144-hour (2-person-3-day/3P2D/4P/1.5D) duffel bags for Barbara’s and my vehicles. These aren’t zombie apocalypse kits, just short-term emergency kits … Continue reading

Posted in lab day, personal | 37 Comments