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Why you might be scammed by so-called pure coke ? An element of response. : coke | Torhoo darknet markets

Hi there !

I'm not a chemist, but since I was just scammed by a seller who sent me some cocaine that only made my heart race without any other effect, I looked into the question of HPLC-UV tests. Here's a partial answer I got by doing some research. If anyone here has any chemistry knowledge (and not just lame theories), feel free to contribute.

Summary : Why ~90% HPLC‑UV Purity Doesn’t Guarantee Real Cocaine

1. HPLC‑UV measures total UV-active compound content

A ~90% result means 90% of the sample absorbs at the UV detector’s wavelength, not necessarily pure cocaine.
Common UV-active adulterants like caffeine, lidocaine, phenacetin, benzocaine, levamisole, etc., all absorb UV and contribute to that percentage

2. These adulterants co-elute or overlay on the UV trace

Method development shows that cocaine can co-elute with phenacetin, and caffeine can overlap with lidocaine/levamisole at typical HPLC conditions. If chromatographic separation is imperfect, UV peaks merge, inflating the “cocaine” area.

3. Large-scale forensic findings back this up

Analysis of 512 Brazilian street samples via GC‑MS revealed groups with 50–20% cocaine and 60–80% caffeine + lidocaine, despite “purity” >90% under UV
A Brazil study (31 samples) found caffeine and lidocaine present in 76% and 67% of samples, respectively
Another survey of seized cocaine showed nicotine, phenacetin, diltiazem, etc., among most frequent adulterants

4. Real effects: no high, but strong cardiovascular response

Caffeine, ephedrine/cathinones, and anesthetics like lidocaine can raise heart rate and blood pressure without triggering dopamine-driven euphoria.
This matches testimonials: strong tachycardia and numbing sensations, but absent usual cocaine high.

5. How to get the true composition

Only structural identification via GC‑MS or LC‑MS/MS can accurately quantify each molecule (cocaine vs adulterants).
HPLC‑UV alone is a fast screening method, but non-specific and susceptible to matrix effects. UV-DAD helps, but mass spectrometry is necessary for precise profiling

https://torhoo.cc/go.php?u=TDNVdlFtVmxabFJvYjIwPQ==# https://torhoo.cc/go.php?u=TDNVdlNtVmhiazF2ZFd4cGJnPT0=# https://torhoo.cc/go.php?u=TDNVdmJtVjNZbWxsWm05eVpYWmxjakl3TVRnPQ==# https://torhoo.cc/go.php?u=TDNVdmJXSjFjbTV6# https://torhoo.cc/go.php?u=TDNVdlNHRnljbmxFZFc1dQ==# https://torhoo.cc/go.php?u=TDNVdlVYVnBZMnRwWlVac2FYQndhV1U9# : I found this very interesting. I'll cite my sources just below (only scientific sources, without any direct links of course). I'm not naming the scammer, I've already posted something about it and discussed it with https://torhoo.cc/go.php?u=TDNVdlFtVmxabFJvYjIwPQ==# yesterday.

/u/HorkyPorky CorkyForkyGorkyDorkyZorky

2 points

2 days ago

Great post

/u/DrCoke 📢 🍼

1 points

2 days ago

Thank you :-)

/u/DrCoke 📢 🍼

1 points

3 days ago

Sources :

1 - Lapachinske SF, Okai GG, dos Santos A et al. Analysis of cocaine and its adulterants in drugs for international trafficking seized by the Brazilian Federal Police. Forensic Science International. 2015, 247:48‑53 (points : 16,5–91,4 % de pureté ; lévamisole majoritaire ; lidocaïne, caféine, phénacétine détectés)

2 - de Souza LM, Rodrigues RR, Santos H et al. A survey of adulterants used to cut cocaine in samples seized in Espírito Santo (Brazil) by GC‑MS allied to chemometric tools. Sci Justice. 2016, 56(2):73‑9

3 - Sant’Ana LD et al. Evaluation of cocaine samples seized in the streets of the State of Rio de Janeiro, Brazil. Química Nova. 2019 (52 échantillons, caféine 91 %, phénacétine + lidocaïne via GC‑MS + Raman)

4 - Carvalho & Mídio (1997) & Bernardo et al. CG‑MS quantification of cocaine, caffeine, lidocaine, benzocaine, diltiazem, phénacétine dans plusieurs États du Brésil via GC‑MS/HPLC‑DAD

5 - Studies on Brazilian banknotes & seized drugs : caféine, lidocaïne, phénacétine, acétaminophène, diltiazem détectés via HPLC‑DAD / GC‑MS

6 - Caffeine and other adulterants in seizures of street cocaine in Brazil. Forensic analysis (caféine, lidocaïne, procaïne)

7 - Impurities, adulterants and cutting agents in cocaine… profiling using GC‑MS (caféine, lidocaïne, phénacétine…)

8 - Martha et al. Investigation on heroin and cocaine quality in Luxembourg. Harm Reduction Journal. 2021 (lévamisole 54 %, phénacétine 36 %, caféine 10 %)

9 - Cocaine purity across Denmark 2006–2019 (levamisole, phénacétine fréquents)

10 - Cocaine and society (Wikipedia — synthèse complète des adulterants : caféine, lidocaïne, procaïne, lévamisole…)

https://torhoo.cc/go.php?u=TDNVdlFtVmxabFJvYjIwPQ==# SO SAYETH da BEEFLORD: RIPWalt

1 points

2 days ago

/u/crocodiledundee /u/mrbacon420 - Sure you guys would love to chime in :)

/u/CrocodileDundee ⚗ The 🧬 Professor 🔬

3 points

2 days ago*

I think it goes without saying,HPLC‑UV is not ideal for detecting contaminated products.

The reason Kykeon is the gold standard is that they are using LC-MS/MS analysis, FTIR for ethnobotany, and NMR for identifying unknown compounds. There is one member named "Pedro" who thinks everything is cut with unknown substancest. Truth is, there are groups out there like Kykeon who have two main missions, which is why I love them so much, 1) (NCE) New Chemical Entity Identification with their current lab set up as well as harm reduction and education.

It's definitely nice to know they are there, so you don't have to rely on analysis like described here.

/u/DrCoke 📢 🍼

1 points

2 days ago

Hi!
What are these groups, please? I'm interested. I was considering sending a sample to Kykeon Analytics, but the analysis costs €90, so if I can get it analyzed for less by making a donation, for example, that would be great!
Thanks you

/u/HorkyPorky CorkyForkyGorkyDorkyZorky

2 points

1 day ago

/d/AvengersReborn

/u/DrCoke 📢 🍼

1 points

1 day ago

Thank you very much :-)

/u/turtlelover 🍼

1 points

1 day ago

[removed by moderators]

/u/malah

1 points

1 day ago*

HPLC test used by the Swiss harm reduction labs can detect all those shitty cuts. They use multiple tools to properly analyze the sample.

/u/turtlelover 🍼

1 points

1 day ago

[removed by moderators]

/u/foggymann 🍼

1 points

1 day ago

Every fucking bit of coke I have bought from several dealers has been rerocked shit. I have bought some coke that cooks back 2.8 from 3.5g and it still taste like shit when smoked and doesn't get you very high. WTF are they putting in the coke? Does anyone know a real vendor that sells real coke, because the shit going around is shit and to top if all off the buyers rate the vendor 5/5 even when it is shit. I don't understand it. I'm talking coke like in the 90's and early 2,000s. Stop rating the vendors when all they sell is rerock for 300.00 a ball. I'm willing to pay 400.00 a ball of real coke that cooks up 80% and actually turns yellow and doesn't taste like shit. Can anyone point a man in the right direction, if you don't know anything about freebase then don't reply, because I don't want snorting coke, I need shit that cooks and gives you that blast

https://torhoo.cc/go.php?u=TDNVdlFtVmxabFJvYjIwPQ==# SO SAYETH da BEEFLORD: RIPWalt

2 points

1 day ago

This is EU

Malavitta / FreezozHD - budget options
Viktor Vaughan OTB or Washed - high middle tier - cooks it up himself, can choose bicarb / ammonia
Highgrademasters
Merckgrade - The Almighty

/u/DrCoke 📢 🍼

1 points

17 hours ago

Merckgrade really ? I've always been afraid to order from him. So, if you approve it, it's interesting.

https://torhoo.cc/go.php?u=TDNVdlFtVmxabFJvYjIwPQ==# SO SAYETH da BEEFLORD: RIPWalt

1 points

17 hours ago

Are you kidding me? They're literally top 3 legendary vendors of all time.

/u/DrCoke 📢 🍼

1 points

17 hours ago

No... I have to say that I've often favored sellers from my country to avoid customs issues, especially if it's shipped from the Netherlands (I think it's Dutch, right?). It would piss me off to receive a love letter. The only legend I had tried was rushrush. Unfortunately, it no longer ships to the EU.

I've noted the other sellers you mentioned; maybe I'll experiment soon.

/u/psylep

1 points

7 hours ago

I've had three if not four of his sends searched by customs over the last 10/11 years. Every single one has come through with no issues :)

/u/BunniSupport Vendor Support

1 points

2 hours ago

/u/Merckgrade is a great choice /u/DrCoke. They have been around for a long time and have a solid reputation in the community for EU

/u/DrCoke 📢 🍼

1 points

1 hour ago

Thank /u/BunniSupport

I've been seeing its name on the markets or in posts for a long time.

I'll try it soon. I hope it's as good as the cocaine produced by the pharmaceutical company Merck ;-)

/u/teknoviking

1 points

5 hours ago

Malavitta alita de mosca (peruvian) it's second to none, washed into the tastiest crack i've had in a while