
- Talc Physical Properties:
- Colour- sea green, white and gray
- Lustre-pearly, waxy, greasy
- It's translucent!
- http://geology.com/minerals/talc.shtml
- Talc Chemical Properties: Talc is a natural mineral . As shown, its elementary sheet is composed of a layer of magnesium-oxygen/hydroxyl octahedra, inbetween two layers of tetrahedral silica. The main surfaces, known as basal surfaces, contain neither hydroxyl groups nor active ions, making talc both hydrophobic and inert. http://www.anandtalc.com/wht_talc.htm
- Talc's Description:
Talc is a mineral. Its the softest mineral known to man. It can be scratched easily with the fingernail. It is made of tiny flakes, or scales, of magnesium. Talc can be silvery white or a delicate green. http://www.blurtit.com/q751315.html
- chemical Formula:
H2Mg3(SiO3)4 Or Mg3Si4O10(OH)2
http://webmineral.com/data/Talc.shtml
Where is Talc found?
- Paper-used as a filler, used the same way as china clay.
- Textiles-used for loading and bleaching certain types of cotton goods
- Cosmetics-body and face powder.
- Rubber-used for two reasons. One to prevent rubber moulds from sticking and compounding material in the preparation of certain types of hard rubber.
- Ceramics-increasingly being used in the artwares, jars, wall, and floor tiles.
- Paints-used as a paint and a extender in paint industry. http://www.mineralszone.com/minerals/talc.html
- Dangers In Talc:
- Precautions to follow:
- Treatment for harmful exposure to talc:
An article for the dangers of Talc
OUR OPINION:
No , Talc has very serious consequences to using it. With our science knowledge today were sure there are ways to work around this dangerous chemical. It's very harmful to babys and causes many different cancers, and sideaffects.
Your work is very well organized! And you have lots of good information too!
ReplyDeletePlease double check the instructions on how to reference, if you need help make sure you see me.
I noticed you indirectly mentioned 2 chemical properties do you understand what they are? Check your notes to review what is meant by chemical properties and if you are still struggling you can see me in class.
Keep up the good work!
there's alot of spacing in here
ReplyDeletemaybe you should minimize then number of times you hit "enter"
thanks.
ReplyDeleteGood information, nicely organized
ReplyDelete