30 extra each pillHas anyone had multiple pieces in a sample tested? Just wondering what the extra cost would be to have all 3 pills of a sample tested.
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30 extra each pillHas anyone had multiple pieces in a sample tested? Just wondering what the extra cost would be to have all 3 pills of a sample tested.
I don't think so. I think it's two H's though.This too. Not clear to me if your HPLC method as is can discern -ene (missing one H) impurities from test ester.
Impossible to tell without running GCMS on the reference standard as well.Which purity above is closer to reality? GCMS or HPLC?
Not entirely confident I did.I didn't see you consider the heat induced dehydrogenation possibility for the delta-6 TE example.
I believe Jano is able to heat a crashed vial xD But it's a nice question I'm curious of the answer tooIf AAS oil samples crash during transit to you, due to low temperatures, does that create a problem with testing? Or do you have a protocol for heating crashed vials?
@GhoulQuick note: We've ran an aggregate test on a tirzepatide and found no detectable aggregates.
*shrug*
Quick note: We've ran an aggregate test on a tirzepatide and found no detectable aggregates.
*shrug*
0.5 ml is plenty enough.Two questions regarding testing of AAS.
First what volume of an AAS is needed to perform testing? For instance, can I place 3ml from a 10ml vial into a sterile vial for testing.
Second, is my understanding regarding AAS screening quantitative and AAS screening identification, correct? AAS screening quantitative identifies the amount of an AAS per ml and that it is the AAS, while screening identification testing only test if the substance is the AAS.
2 weeksWhat's the typical turnaround time for endotoxin testing (of AAS oils or peptides)?
This is very interesting.We can tell whether something is there or not usually. Other stuff we cannot afford to take on right now.
Mannitol is not a polymer.
If they can name (an existing) polymer, we should be able to detect it.
I had trouble figuring out what Biloxone could be. Didn't manage to find out CAS etc.
1) I strongly don't believe it is so.
2) We have LCMS, we can detect the molecular mass of HGH and we've never seen anything suspicious.
Apologies, cannot listen to the video rn, but I hope my reaction is sufficient.
This is very interesting.
Would Chinese UGL with 99% purity and low dimer would yield the same (or better) results in terms of muscle gain, fat loss, etc. compared to something like Serostim?
In other words, is Serostim or other pharma HGH a waste of money when we have very high quality Chinese HGH for much much cheaper?
Truly awesome that you did this work @janoshik. Thank you and much respect. Nice to see the Test ester ref standard is rock solid with your GCMS setup.
Thanks for your reply. Respectfully, the difference between HPLC purity and GCMS purity (approximate via area counts, but no significant difference in ionization and volatility between the compounds) for the ref standard is quite small (~2%).Given the standard had arrived on ice and was tested the same day it had arrived ( 20 kilo box for one such tiny vial! ) I would conclude that those are either false positives caused by the high temperature environment of the GC or that there's nothing that can be done about that if they can't get rid of it in CRM.
However much I'd love to charge more than double for all API tests, based on this particular anecdote of a test it seems that this is not a cause of concern.