Science Forums
User Name
Password
Science Social Network
home    members    help/rules    who is online    contact   

Go Back   Science Forums > Physical Sciences Forums > Chemistry
Become a science forums sponsor today
Reply
 
LinkBack Thread Tools
Old 06-04-2006   #1 (permalink)
YYYY's Avatar
Thinking


 



binary compounds in sea water

Hello
I am compilling a spread shhet on all the binary compounds known to be in sea water. I need to work out the actual size of the molocules. I have the angstrom sizes of every element that is available.
I have been told to simply add the size of each element together to get the size of the molocule but this doesn't seem like valid science to me.
Does anyone know the correct procedure? Has this data already been collated? Is it available?

Regards
Y
Reply With Quote
Old 06-04-2006   #2 (permalink)
TheBigDog's Avatar
Doing the Impossible

Hypography Staff Member
Moderator
Gallery Curator

 



Re: binary compounds in sea water

This sounds like a job for our Uncle Al.

Bill


----------------
aka TheBigDog - Hypography Full Freaking Moderator
Become a Hypography sponsor!
The truth is incontravertible; malice may attack it, ignorance may deride it, but in the end there it is. - Winston Churchill

TheBigDog's recommended reading: The Science of Success - Charles G. Koch

A neutron goes into a bar and asks the bartender, "How much for a beer?"
The bartender replies, "For you, no charge."
Reply With Quote
Old 06-05-2006   #3 (permalink)
YYYY's Avatar
Thinking


 



Re: binary compounds in sea water

Calling Uncle Al
Reply With Quote
Old 06-05-2006   #4 (permalink)
UncleAl's Avatar
Creating


 



Re: binary compounds in sea water

Get the density of each compound. You then know the volume/formula unit. That number will be debatably meaningless since in water solution ions have hydration shells. Ions in solution electrostrict the water.

You could look up the density of water solutions containing increasing concentrations of various salts (e.g., old CRC Handbooks). You then assume mixtures of salts act like linear combinations of individual salt solutions - which is also debatable.

Seawater contains lots of sodium, chloride, magnesium, sulfate, calcium, and bromide. You don't get discrete compounds until you remove the water.


----------------
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2
Reply With Quote
Old 06-05-2006   #5 (permalink)
Mercedes Benzene's Avatar
Medicinal Chemist

Hypography Staff Member
Moderator
Editor

 



Re: binary compounds in sea water

Another thing to note would be WHERE the sea water is coming from.
The "binary compounds" will vary greatly in amounts depending on where the water is coming from.
Magnesium compounds, particularly the with the chloride anion, are especially plentiful in much of the oceans.... and then there's always NaCl, which is obviously the most plentiful compound....
ahhhh.... sea water.


----------------
Moderator -- Chemistry, Biology, Watercooler, Competitions, Architecture.
Reply With Quote
Old 06-06-2006   #6 (permalink)
YYYY's Avatar
Thinking


 



Re: binary compounds in sea water

Quote:
Originally Posted by UncleAl
Get the density of each compound. You then know the volume/formula unit. That number will be debatably meaningless since in water solution ions have hydration shells. Ions in solution electrostrict the water.

You could look up the density of water solutions containing increasing concentrations of various salts (e.g., old CRC Handbooks). You then assume mixtures of salts act like linear combinations of individual salt solutions - which is also debatable.

Seawater contains lots of sodium, chloride, magnesium, sulfate, calcium, and bromide. You don't get discrete compounds until you remove the water.
Thanks for the reply
Where would I find the density of each compound?
If the density would be meaningless where would I find info on the the hydration shells?
I am finding google increasingly less effective the more I delve into this. This is why I have looked to a forum such as this.
Hi Mercedes
I have quite a few Sea Water Analysis's and they do vary but that is not really an issue. I am only interested in what is know to be in sea water/any sea water.
BTW there are about approx 1230 of them.
Reply With Quote
Old 06-06-2006   #7 (permalink)
Mercedes Benzene's Avatar
Medicinal Chemist

Hypography Staff Member
Moderator
Editor

 



Re: binary compounds in sea water

To find the density of substances, just look them up on the internet. Or, as UncleAl said, you could prpbably find the pre-determined water/compound densities from a CRC handbook, although you'll probably want to borrow one, 'cause they are pretty flipping expensive for a book. I just bought my first one a couple months ago, and it's AMAZING!
Good luck.


----------------
Moderator -- Chemistry, Biology, Watercooler, Competitions, Architecture.
Reply With Quote
Old 06-06-2006   #8 (permalink)
YYYY's Avatar
Thinking


 



Re: binary compounds in sea water

I would love a copy of that CRC Handbook
Google is not to forthcoming
Reply With Quote
Old 06-06-2006   #9 (permalink)
Michaelangelica's Avatar
Creating


 



Smile Re: binary compounds in sea water

Quote:
Originally Posted by YYYY
I would love a copy of that CRC Handbook
Google is not to forthcoming
CRC handbooks are usually in libraries;
sometimes second hand at Amazon

"Google scholar" might be more helpful
eg"
Identification of Compounds by Extraction p-Values Using Gas Chromatography.
MC Bowman, M Beroza - Analytical Chemistry, 1966 - pubs.acs.org
... The Chemist and Fertility of Sea Waters,” 2x17 ... containing com- pounds) in seven binary
solvent systems ... solvent system, closely related compounds were readily ..."

I would be interested to hear of the results of your research


----------------
What could possibly go wrong!?
DOCTOR WHO
Reply With Quote
Old 06-08-2006   #10 (permalink)
YYYY's Avatar
Thinking


 



Re: binary compounds in sea water

searching google scholar without much luck so far.

Local library gave me a funny (are you making bombs you friggin hippe) look when I asked about the CRC handbook
Reply With Quote
Reply

Bookmarks


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
separating compounds madazn89 Chemistry 26 04-29-2006 02:52 PM
Binary Symmetric Book 1 mahmuud Books, movies, games 3 04-20-2006 06:29 AM
Astronomers Measure Precise Mass of a Binary Brown Dwarf Jay-qu Astronomy news 0 03-15-2006 12:38 PM
Planets orbiting binary stars TeleMad Astronomy and Cosmology 3 06-17-2005 08:26 PM
noble gas compounds? Tim_Lou Chemistry 1 03-01-2005 11:18 AM


All times are GMT -8. The time now is 08:06 AM.

Hypography?

Hypography [n.]: A combination of "hyperlink" and "bibliography" - ie, a list of links to electronic documents. Comparable to discography and bibliography, but not cartography.

We have been online since May 2000, and aim to be the best place to find and share science-related content of all kinds.

Share the love!

Please add more science to your life. Use our RSS feeds on your blog, your portal, or your favorite feedreader!

Powered by vBulletin® Version 3.7.2
Copyright ©2000 - 2008, Jelsoft Enterprises Ltd.
SEO by vBSEO 3.2.0 ©2008, Crawlability, Inc. Copyright © 2000-2008 Hypography
Part of the Hypography - Science for Everyone Network