Acid washed sand

IanMc zebedeeboy at hotmail.com
Mon Sep 25 03:33:51 EST 2006


"Dr Engelbert Buxbaum" <engelbert_buxbaum at hotmail.com> wrote in message 
news:ef0q0q$hsi$03$1 at news.t-online.com...
> keaboletse Moemedi wrote:
>
>>  I do not have a commercial
>> sand but i want investigate the pigment of phytoplankton in surface
>> water. Please advice me how to prepare the sand which is not
>> commercially prepared.
>
> The usual way to do this is to boil sea sand (mostly SiO2) with
> hydrochloric acid to remove acid-soluble contamminants (in particular
> calcium carbonate) and then glow it to destroy organic matter.

What do you mean by glow it? Heat it until it glows?

Ian Mc 




More information about the Methods mailing list