All Questions
4
questions
2
votes
1
answer
974
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Creating a 10 ppb Lead Nitrate Solution
I’m trying to make a 10 ppb Lead Nitrate solution as part of a concentration calibration step for a Beer Lambert’s Law experiment. I plan on performing a dilution in three steps. The calculations have ...
1
vote
1
answer
372
views
Creating 1L of 1000 ppb stock solution of Pb2+
I’m testing on samples that require a concentration of 1000 ppb (or 1 mg/L) of Pb 2+. My first thought was to simply dissolve 1 mg of Lead nitrate in 1 L of deionized distilled water to create 1 L of ...
-1
votes
1
answer
43
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What causes the differences in price in home testing kits for lead in water? [closed]
The price differences between home testing kits to test tap-water for lead are huge.
20 dollar will either buy 1 test kit or 100 test strips. Both are intended to test drinking-water safety.
What ...
2
votes
1
answer
4k
views
How would I measure the dissolved carbon dioxide content of a liquid (water to start with)
I would like to measure the dissolved carbon dioxide content of a sample of water. I was thinking that conductivity might change with carbon dioxide level, and also pH. I would like to have the ...