A note on dosing research chemicals

If your research chemicals come with an unmarked pipet dropper there is definitely some confusion as to how much liquid is one milliliter. One could squeeze the dropper top hard one time and draw more liquid than if they were to not squeeze it as hard.


The commonly accepted volume of 1 drop of liquid is 1/20ml. So 20 drops from the pipet would yield a volume very close to 1ml. This isnt exact science or anything, but be sure to hold the dropper vertical as tilting it may affect the size of the drop.

yeah, or take the pin out of a slin syringe. That will give you nice, precise dosing as well.



good advice though.

Paulo said:

yeah, or take the pin out of a slin syringe. That will give you nice, precise dosing as well.



good advice though.

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thanks bro

I had been drawing research chemicals with a needleless syringe, but it had a tendency to get clogged or something.

UA_Iron said:

thanks bro

I had been drawing research chemicals with a needleless syringe, but it had a tendency to get clogged or something.

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what kind of research chems were you using that would clog a syringe, much less one without a pin on it?

Yossarian2000 said:

what kind of research chems were you using that would clog a syringe, much less one without a pin on it?

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Well, I got some that have piña colada flavoring in them, lol, that might do it.

Yossarian2000 said:

what kind of research chems were you using that would clog a syringe, much less one without a pin on it?

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it was a mint flavored, kinda chunky not very soluble. Although it could have been the syringe refusing to work right. Now if it were operator error...that would just be embarassing.