YouTube has once again taken this video down in response to a copyright claim by the NFL. Not sure what, if anything, will happen next but you can read the 2007 story here. So what false copyright claims is the NFL making? The work is copyrighted, after all. Here the false claims have to do with your use of the NFLâs copyrighted work.
1 Sometimes the abbreviations for sodium and chloride are used so you will see Na+ and Cl-. 2  The 0.9% solution may simply be called normal saline, abbreviated NS.  The 0.45% solution may be referred to as half normal saline (since 0.45% is half of 0.9%) and abbreviated 1/2 NS.
Relevance. Rating Newest Oldest. Best Answer: Normal saline (0.9%) contains 154 meq of sodium and is considered isotonic to human serum. Half NS (0.45%) contains half the sodium meq that NS contains and is considered hypotonic.ut in medicine, rather than chemistry, normal saline is a mixture of about 10% salt in water. It is called normal because it is the approximation of the the body's normal intracelllular fluid. Half normal would be half as much salt, or about 4.9%. Source(s): Nurse's training.