Actinium
Hazard to Self
Posts: 67
Registered: 2-9-2014
Member Is Offline
Mood: synthetic
|
|
wanting to prepare a small amount of Nitric acid
I'm thinking of doing a small batch of Nitric acid and was going to use NH4NO3 from instant cold packs.
The cold packs have both the liquid and NH4NO3 neatly separated in separate external pouches. Can I use the nitrate as is or does it need to be
purrified prior to it being used?
|
|
|
gdflp
Super Moderator
Posts: 1320
Registered: 14-2-2014
Location: NY, USA
Member Is Offline
Mood: Staring at code
|
|
How are you going to prepare the nitric acid? What color are the ammonium nitrate prills? Does the package list the contents as ammonium nitrate?
The answer depends on all of the above questions.
|
|
|
Actinium
Hazard to Self
Posts: 67
Registered: 2-9-2014
Member Is Offline
Mood: synthetic
|
|
the ammonium nitrate is white, no there is no mention on the package of the amount need to weigh it up and have trouble finding its msds. as far as
the way i was going to do it was Conc. Sulfuric acid (98.6%) chilled, NH4NO3 added and distilled over and air bath.
|
|
|
gdflp
Super Moderator
Posts: 1320
Registered: 14-2-2014
Location: NY, USA
Member Is Offline
Mood: Staring at code
|
|
As long as you are certain it is ammonium nitrate, it should work for distilling nitric acid. Just remember that your yield will be lower due to the
ammonium nitrate not being pure.
|
|
|
Bert
Super Administrator
Posts: 2821
Registered: 12-3-2004
Member Is Offline
Mood: " I think we are all going to die. I think that love is an illusion. We are flawed, my darling".
|
|
Look up the cold pack's distributor/manufacturer, they must have an MSDS available for their product. That will tell you what's in it-
A lot of cold packs are now made with urea, Calcium ammonium nitrate or even other salts, all types are good for SOMETHING, but not all are useful for
your purpose. The CAN packs work, but the stoichiometry and hence proportions you will need are different.
 
Rapopart’s Rules for critical commentary:
1. Attempt to re-express your target’s position so clearly, vividly and fairly that your target says: “Thanks, I wish I’d thought of putting it
that way.”
2. List any points of agreement (especially if they are not matters of general or widespread agreement).
3. Mention anything you have learned from your target.
4. Only then are you permitted to say so much as a word of rebuttal or criticism.
Anatol Rapoport was a Russian-born American mathematical psychologist (1911-2007).
|
|
|
Amos
International Hazard
Posts: 1406
Registered: 25-3-2014
Location: Yes
Member Is Offline
Mood: No
|
|
If those are Walgreen's brand by any chance, I've found those to be pretty much pure, definitely good enough for nitric acid.
|
|
|
Actinium
Hazard to Self
Posts: 67
Registered: 2-9-2014
Member Is Offline
Mood: synthetic
|
|
never had this much trouble getting the msds, anyway. white prills and it says water and ammonium nitrate (NH4NO3), Kroger brand.
|
|
|
![[*]](images/xpblue/default_icon.gif){kind=icon}
