Q: My concrete sidewalk and driveway have large brown rust stains that I haven’t been able to remove. I tried bleach and a chemical remover to no avail. Can you help? A: Rust stains on concrete seem ...

Q: We have some water stains on our bay window sill from our flower pots and were wondering what is the best way to remove them. My wife bought a bleaching product. Also, we have a camp in ...

Oxalic acid is mainly used to produce the tetracycline, aureomycin and terramycin etc. in the pharmaceutical industry. The development of these pharmaceutical products largely depends on the export ...

Q: I've heard that spinach and some other vegetables contain significant amounts of oxalic acid, which can interfere with absorption of some minerals. What do you think about the oxalic acid issue? A: ...

Journal of Experimental Botany, Vol. 1, No. 1 (1950), pp. 71-87 (17 pages) 1. Some recent works on the formation of oxalic acid by various fungi are critically considered. 2. The present work deals ...

This is a preview. Log in through your library . Abstract High Al resistance in buckwheat (Fagopyrum esculentum Moench. cv Jianxi) has been suggested to be associated with both internal and external ...