I'd even say its worth getting these microcentrifuge tubes to perform your testing in.
Since you're testing liquid, you can let the tube sit open overnight (in a dark, cool place) and the liquid will evaporate. You should then be able to drop your Ehrlich into the tube, snap it closed, and watch it react.
The longer the sub on the indolic nitrogen, the slower the reaction:
1A (Acetic) is 2 carbons, 1P (Propanoic) is 3 carbons, and 1B (Butanoic) is 4 carbons.
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If you don't want to let Google know that you test (and therefore probably take) drugs, you can download the APK using the Yalp Store app, and install it manually.
You can buy drug testing cups on Amazon: https://www.amazon.co.uk/Aidteq-Professional-Cannabis-Amphetamines-Methadone/dp/B08234TNV9/ref=mp_s_a_1_1?crid=2WMIH3AYOM6PU&keywords=aidteq+drug+test&qid=1663521652&sprefix=aidte%2Caps%2C105&sr=8-1
Quite pricey though, but they do test for everything.
I ordered these as the seemed to fit with what Bunk Police sells. But just need cut in half.
TLC Plates Aluminium Backed Silica Gel 60 F254 10cm x 10cm (20/Box) https://www.amazon.com/dp/B088D7DZQC/
Perhaps you can check this pill identifier.
I don't know if there are any reagents that can help with testing this. As you can see in the wiki we don't have any test results for Ambien.
Here's some gross brown NEP from 6 months ago.
search engines: N-ehtyl-pentedrone marquis, mecke, mandelin, liebermann reagent results test
image here, https://vgy.me/isZlEd.jpg http://funkyimg.com/i/2q1No.jpg overall mild/no reactions
QUALI-TECH CHEM Ehrlick�s Reagent (125 ML) https://www.amazon.in/dp/B071RJ397M/ref=cm_sw_r_cp_api_glc_fabc_KTQQYA7X9Q0KCZR47N7M
Yes I know :) I’m a vendor myself and provide support to users, but I came across this and really wanted to find out what this is? What’s Van urk? Hofmann? I checked Wikipedia and the definitions and formulae seem confusing.
Looks a heck of a lot like a Rolaids, though the x on back is odd (click images button in this link) :
https://www.webmd.com/drugs/2/drug-1515/rolaids-oral/details
Maybe it's ecstasy design to look like Rolaids and someone added an x on back to distinguish it from real Rolaids pills?
I got a ceramic test kit from Amazon:
Hope that link works, if not I’ll paste another one if you’re interested.
And it came in like 2 or 3 days, ignore whatever arrival date it says. It’s small, but you really it’s actually perfectly sized once you use it.
Hello gang, welcome to public beta testing of our new TestDrugs web app. This is development from the pretty established Android app.
In the current version you can:
We have a lot of ideas (half of which is interface design), but this is pretty ok already so we are going forward with this public beta. Please, if you like the app or not, let us know how can we improve it!
Edit: Seems like it has issue if opened in mobile Reddit app, use regular browser if on mobile.
also for u/Reagent_Tests_UK or u/bunkpolice
Have you guys considered sending out well-plates (or stocking them as a consumable) with your multi-reagent kits? This could be something worth looking in to.
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I think a 24-well plate is ideal for this because it gives you 6 wells per row, and has big enough spots that even the least graceful among us can manage them.
https://www.amazon.com/Evergreen-Scientifics-290-8324-03F-Polypropylene-Non-Sterile/dp/B01HK1M26Q/
The blotter itself could react with most of these reagents. (The why is that most of them are 85%+ Sulfuric Acid - which reacts with almost everything)
Ehrlich doesn't react with paper, but you'd need to check all of the others by extraction / drying / testing rather than applying directly to the blotter.
Edit: This is my testing dish of choice, all you need is a piece of printer paper or a white paper towel underneath for contrast.