Why & How HCl is Used for Cleaning Materials

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SUMMARY

Hydrochloric acid (HCl) is commonly used for cleaning materials due to its effectiveness in removing metallic impurities. The chemical reaction between metals and HCl results in the dissolution of these impurities, which is crucial for maintaining the integrity of materials like graphite rods. The reaction can be represented as: metal(s) + HCl(aq) → metal+n(aq) + nCl-(aq) + 1/2n H2(g). Understanding this process is essential for anyone involved in material cleaning and maintenance.

PREREQUISITES
  • Chemical properties of hydrochloric acid (HCl)
  • Basic understanding of chemical reactions and equations
  • Knowledge of material science, particularly regarding graphite
  • Familiarity with safety protocols for handling acids
NEXT STEPS
  • Research the safety measures for handling hydrochloric acid
  • Learn about the effects of HCl on different materials
  • Investigate alternative cleaning agents for specific applications
  • Explore the role of pH in cleaning processes
USEFUL FOR

This discussion is beneficial for chemists, material scientists, and maintenance professionals who need to understand the cleaning properties of hydrochloric acid and its applications in removing impurities from various materials.

ARN
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Homework Statement:: why HCL is always used for cleaning materials. I have cleaned graphite rod with HCl. How will it help ? How does HCL do the cleaning?
Relevant Equations:: Nothing

some says that it helps to remove the impurities, but how ? will it effect the graphite rod?

[Moderator's note: Moved to a technical forum as it is of a general nature.]
 
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How is this a homework problem? What research have you done so far? What have you found out?
 
Could it be that you are trying to remove metallic impurities?

metal (s) + HCl(aq) ——> metal+n(aq) + nCl-(aq) +1/2n H2(g)
 
HCL + Water is Used in Cleaning in Tiles!
 

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