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May 16th, 2018, 06:48 PM   #1
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Help with graph title

Hi all,

This might seem like a silly question, but i need help with writing a graph title that is correct.

The graph is about Peak area vs. concentration (mg/mL) for a paracetamol standard solution. This graph was obtained using HPLC.

X-axis = Concentration (mg/mL)
y = peak area (Note: I'm pretty sure this is unitless)
3 Possible titles:
1) Paracetamol standard solution: Peak area vs. [paracetamol]
2) Paracetamol standard solution: Peak area vs. [paracetamol] (mg/mL)
3) Relationship between peak area and concentration (mg/mL) of paracetamol for the paracetamol standard solution

Reasons why I dont think they are suitable:
For 1), is it bad to write [paracetamol] because doesnt the [ ] imply mol/L instead of mg/mL?
For 2), to rectify my concern in 1), i wrote [paracetamol] (mg/mL). But is this also not proper scientific form?
For 3), I think this is the most suitable as i dont really have any issues with this, EXCEPT that it is the longest title and I will basically be writing this in my caption below the graph.

I think the graph title should be short and succinct, whereas the graph caption should be longer.

What do you guys think?
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May 17th, 2018, 01:51 AM   #2
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I think peak area will have units unless it is peak area ratio, google agrees with me. Exactly what those units are I'm unsure, there are various graphs showing different units, and chemistry isn't my strong suit

As for a title:
"Paracetamol Standard Solution: Peak Area vs. Concentration"
would do. I wouldn't include any units in the title, that becomes evident by looking at the graph. I'm philosophically opposed to it in fact, due to 1) you're repeating information; 2) you've got to maintain 2 piece of information, if you change the x-axis to g/L for example, you've got twice the editing to do!
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