3 ms·

How much money do you have?

• tedunangst 2y ago
  What does it cost me to p .95 reliably differentiate 0.04 ppt from 0.02 ppt?
  • jeffbee 2y ago
    In water? Doesn't seem like an issue.
    • Brananarchy 2y ago
      In pure water it's not an issue. In drinking water which has all sorts of "stuff", getting very to that level of precision isn't easy.