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topic 7340

Lemon Juice/Science Fair Help


(2001)

I was wondering what is in lemon juice, laundry detergent, dish soap, and bleach that makes it clean. Please answer as soon as possible, I am trying to get the information for a Science Fair Project.

Emily H.
- Indiana


Science Fair Projects for Elementary Schools
from Abe Books

or


Science Fair Projects
from Abe Books

or


So You Have to do a Science Fair Project
from Abe Books

or

(2001)

Emily,

Welcome to the wonderful world of Industrial Chemistry and the science of soil removal. To adequately answer your questions would take at least a 1000 pages and could use it for my Doctoral Thesis. The following is a list of web sites that should set you in the right direction:

www.riponcomputer.com/riponcomputer/dawnchemical/chemistry/chemistryofcleaning.htm

www.chem.ualberta.ca

www.dtsc.ca.gov/sppt/pptd

chemistry.co.nz/propwat.htm

This should be more than enough sources to get you started.

Neil E. Hatfield
- Franklin Park, Illinois, USA


(2001)

Acid in Lemon, Base in soap (like NaOH, Sodium Phosphate, KOH) Chloride used for bacteria killing. Good luck.

Kaushik
- Charlotte, North Carolina


(2002)

Lemon juice is rich in citric acid, Vitamin C and basic salts. All combined gives anti-nausea benefits and retards the growth of non-acid resistant bacteria. Similarly soap salts adversely affect the bacteria. Bacteria need 0.8-0.9 Water Activity to work. In the presence of salts, bacterial growth, and metabolism are adversely affected.

QAMRUL KHAN
- Scarborough, Ontario, Canada



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