Gas syringes
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- Posts: 507
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Gas syringes
How can you tell if the syringes are too “sticky” for measuring gas? Do you have some that are used for gas only or are your syringes all together? I have found the plastic ones here and I am worried the gas from the experiment won’t have enough pressure to move them. I don’t really have time to try the experiment on all of the syringes. Apparently we also have some glass ones but they haven’t shown up after a quick search. I will have a better look later.
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Re: Gas syringes
I use the glass ones, clamp a hose on the end so the gas doesn't escape. To get rid of it bubble it out under water.
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- Posts: 507
- Joined: 28 Jan 2021, 13:24
- Job Title: Lab Assistant
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- State/Location: NSW
Re: Gas syringes
I did end up finding the glass ones and I showed the teacher and he said “I’m not letting my kids have those!” At least he knows his class!! We ended up using the plastic ones but they weren’t great. I think next year we will do it into a measuring cylinder upside down filled with water. I’m pretty sure that’s what my old school did years ago.
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Re: Gas syringes
Revisiting this thread - do you use Vaseline or anything on the glass gas syringes?
- Anna Z
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Re: Gas syringes
We use morning fresh on our gas syringes...just a little. Works a treat, better than having Vaseline or silicon grease all over them.
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Re: Gas syringes
That’s a great idea! I will do that next time
- cactus155
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Re: Gas syringes
Thanks Anna Z for that awesome suggestion as well