Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: pittguy727
  • Content: Threads
  • Order by date
  1. pittguy727

    Glass etching, can anyone help

    ...me figure out etching rates for 40% leaded glass being etched by 5%HF/2.5% HNO3 at room conditions? And how would I calculate the change in amount of glass (thickness) is being etched off at varying Acid concentrations? Safety wants to decrease HF %, but I fear we will not get sufficient...
  2. pittguy727

    accuracy of stop watch

    I have an odd question that is bugging me and I really need some help. We are timing a particular process that is very important by using a stopwatch and visually watching this equipment move from one point to another in only 2-2.3 seconds. I want to change this to something more high-tec, but...
  3. pittguy727

    Cleaning water lines

    Hi all, new member. I need to clean water lines (because of bacteria and gelling)in my process (1" PVC), which is not the best to use for water, but I didn't design it. Anyways, the current method here is to use Sodium HypoChloride and surfactant. I feel this method is good, but also...

Part and Inventory Search

Back
Top