Search Wikipedia:

Latest topics
» How do leavening agents make dough rise?
Thu May 11, 2017 2:42 am by bejoy

» Solvent effects on chemical reaction
Thu May 11, 2017 2:41 am by bejoy

» How does salt lower the freezing point of water?
Thu May 11, 2017 2:16 am by bejoy

» Benedict’s reagent test for Monosaccharides
Thu May 11, 2017 2:06 am by bejoy

» Industrial Production of Diethyl Ether
Thu May 11, 2017 2:04 am by bejoy

» How to prepare sodium acetate at home?
Thu May 11, 2017 1:59 am by bejoy

» Production of ethyl acetate by esterification
Tue Jan 10, 2017 5:06 am by bejoy

» Toluene biodegration using jet loop reactor
Mon Jan 09, 2017 6:41 am by bejoy

» Making of ammonia by Haber’s process
Mon Jan 09, 2017 6:15 am by bejoy

June 2017

Calendar Calendar

Free Hit Counter

How does ALUM dissolve Iron or steel? what is the reaction process?

View previous topic View next topic Go down

How does ALUM dissolve Iron or steel? what is the reaction process?

Post  oilseed on Thu Feb 19, 2015 12:11 pm

I've read a number of articles on the internet which states that a solution of ALUM (potassium aluminum sulfate or  aluminum ammonium sulfate)
will dissolve steel (or Iron) (e.g. remove a broken screw, drill bit or tap in Brass or Silver, other non-ferrous metal).  
Heating the mixture will increase the rate of reaction.  
What 'none' of these articles explains is;  

  • HOW this is done?
  • WHAT 'IS' the chemical reaction taking place and
  • WHY is the steel (or iron) broken down?

Also, why are the other non-ferrous metals (Brass and/or Silver) left untouched?  

As a side bar, if the Brass is plated with Rhodium or Nickel, will this ALUM solution affect it or leave it untouched (like the Brass)?

Thank you.


Posts : 1
Join date : 2015-02-19

View user profile

Back to top Go down

View previous topic View next topic Back to top

- Similar topics

Permissions in this forum:
You cannot reply to topics in this forum