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Topic: ***  (Read 1630 times)

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Offline levieoza

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***
« on: April 20, 2021, 12:47:12 AM »
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« Last Edit: April 20, 2021, 03:46:30 AM by levieoza »

Offline chenbeier

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Re: How to prepare 1 ppm phosphorous?
« Reply #1 on: April 20, 2021, 01:19:18 AM »
What is the behaviour of P4, safety and physical properties, like soloubility?
Phosphoric acid handling and calculation?
What about the Phosphate salt?


Offline levieoza

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« Reply #2 on: April 20, 2021, 02:51:42 AM »
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« Last Edit: April 20, 2021, 03:46:47 AM by levieoza »

Online Borek

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Re: How to prepare 1 ppm phosphorous?
« Reply #3 on: April 20, 2021, 03:23:59 AM »
Do you know about any dangers related to these substances? As chenbeier already asked: do you know, how to handle these substances?

Would you prefer to weight the sample, or to measure the volume? Which sounds easier and more accurate? Which will be easier to do (depending on the laboratory equipment you have)?
ChemBuddy chemical calculators - stoichiometry, pH, concentration, buffer preparation, titrations.info

Offline levieoza

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Re: How to prepare 1 ppm phosphorous?
« Reply #4 on: April 20, 2021, 03:34:58 AM »
we only have an analytical balance that is accurate up to 0.0001 g

Offline chenbeier

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Re: ***
« Reply #5 on: April 20, 2021, 10:11:47 AM »
That equipment you can and should use. But which substance you will choose and why.

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