it says to make sodium alginate beads, u must prepare concentrated sodium alginate solution...sodium alginate beads are used in recovery of heavy metal ions in aqueous solutions. ineed to prepare soidium alginate beads, but i don't know how.
2006-09-13 19:20:39 · 3 answers · asked by miley 1 in Science & Mathematics ➔ Chemistry
I think the beads you need are going to be calcium alginate. Sodium alginate is soluble (albeit the solution is very viscous). Dropping the sodium alginate through a funnel (so that little spheroids form as they fall) into a solution of cold calcium chloride causes the ions to exchange and the insoluble, rubbery calcium alginate to form. Good luck.
2006-09-13 23:41:42 · answer #1 · answered by fucose_man 5 · 0⤊ 0⤋
Sodium alginate solution added slowly to a stirred solution of calcium chloride = alginate beads. Thats it at its simplest. Any decent intermediate biology text will tell you more. I take it that it was beads you wanted to make. Supported enzyme experiment perhaps?
2016-03-27 00:44:51 · answer #2 · answered by Martha 4 · 0⤊ 0⤋
scifinder and the beilstein index will help you find literature examples
2006-09-20 11:02:37 · answer #3 · answered by shiara_blade 6 · 0⤊ 0⤋