Upon closer inspection, amber beads recovered from this area—made between the 5 th and 2 nd millennia BC—turned out to be faux amber, made from non-fossilized pine resin, beeswax, and linseed ...

It comes in a one-cubic-foot bag weighing 49.9 pounds. The resin beads are either transparent or amber in color. More importantly, they are high-quality, pure beads. They work by forming a ...

It's filled with salt, creating a brine solution that recharges the resin beads in the water softener. Over time, this tank ...

The resin formula is particularly crucial. The second attempt used resin with glass beads to give thickness. That wasn’t without problems, though, so it was switched this time with fused silica ...

We typically use 10 μl of resin per reaction as it is difficult to work with smaller volumes of beads. Glutathione Sepharose 4B resin is supplied in 20% ethanol. Before use, the resin must be ...