Volumetric flasks are used to prepare chemical solutions of ... Claisen flasks are a type of lab flask that is used for boiling. They have two stacked stillheads: one for holding the capillary and the ...

At each test interval, 3.75 mL of suspension from each bottle was pipetted into a separate 50-mL volumetric flask. About 25 mL ... triturated to a powder. Three 100-mg samples of the powder ...

Volumetric displays are simply cool. Throw some LEDs together, take advantage of persistence of vision, and you’ve really got something. [Nick Electronics] shows us how its done with his neat ...

Thiosulfate is dispensed by a buret driver (either Titronic or Dosimat) fitted with a 1.0 mL buret ... of solution and flask volume at 70°C. The standard is supplied by Alfa Aesar (lot B05N35) and has ...

Gifting under $100 is a good strategy for maintaining a budget without capping your generosity. This gifting season, our readers love Great Northern's Table Top Popcorn Popper (around $80 on ...

How do you live to 100? Ask the anti-aging industry and they’ll sell you creams, routines and supplements. So great is our desire to unlock the secrets of longevity that scientists have even ...

The fiction, nonfiction and poetry that shifted our perspectives, uncovered essential truths and encouraged us forward Annabel Gutterman, Cady Lang, Arianna Rebolini and Lucas Wittmann This ...

Leverage the Nasdaq+ Scorecard to analyze stocks based on your investment priorities and our market data. The Nasdaq 100 Index is a modified market value-weighted index. The Nasdaq-100 Points are ...

THE WEEK’S MOST POPULAR ARTISTS ACROSS ALL GENRES, RANKED BY ALBUM AND TRACK SALES AS PROVIDED BY LUMINATE, RADIO AIRPLAY AUDIENCE IMPRESSIONS AS PROVIDED BY LUMINATE, STREAMING ACTIVITY DATA ...

TIME’s Stephanie Zacharek on the top films from the 1920s through the 2010s Project editors: Eliza Berman and Lucy Feldman Art and design: Katie Kalupson and Victor Williams. Illustrations by ...