Barium nitrate solutions: Is a 0.1M solution of barium nitrate permissible for years 7-10 in NSW Department of Education Schools? It is not clear in the CSIS chemical search.

Barium nitrate solutions: Is a 0.1M solution of barium nitrate permissible for years 7-10 in NSW Department of Education Schools? It is not clear in the CSIS chemical search.
This Science by Doing online resource covers the chemistry and earth science of the subject of drinking water and its supply.
This Standard Operating Procedure (SOP) contains a detailed method for preparing sodium hydroxide solutions.
Science ASSIST is sponsored by CSIRO Education.