Q.
Quizzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz zzz
who invented the pH meter ?
Asked by truth exposed,
16 Nov '12 09:04 pm
Earn 10 points for answering
Answers (2)
1.
In the 1970s Jenco Electronics of Taiwan designed and manufactured the first portable digital pH meter. This meter was sold under Cole-Parmer's label.
Source: http://en.wikipedia.org/wiki/PH_meter
Answered by loveme, 16 Nov '12 09:09 pm
Report abuse
Useful
(1)
Not Useful
(0)
Your vote on this answer has already been received
2.
Report abuse
Useful
(0)
Not Useful
(0)
Your vote on this answer has already been received