Nicotine Comparisons

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52anddone

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Hi 52!

it’s nice to see you again!! Glad you found some nicotine! I’ve been buying
The house nicotine from Heartland Vapes and it is very good! It is also less expensive than other brands. You might want to stock up on additional nicotine because it is likely the FDA will cut off our supply after September 9, 2020.

Hello @JustWondering1 , long time no post, thanks for jumping in to comment. September 9, 2020 ?? I had absolutely no idea, Thanks for the tip, and is that a firm date ?? . I'm waiting for my MFS Nic to get here then I will have a better idea as to if I want to go find another supplier like Heartland or someone else. Really nice posting with you again JustWondering1. :thumbs: :thumb: :):)
 

52anddone

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But I LIKE the Heartland vape smell and I don't mind a slight taste of nic which it maybe sorta has, I can't really tell. There is nothing wrong with it though and it consists of the majority of my oh gosh I forget how many liters I calculated out, but it was either 19 something or 24 something.

Hey @stols001 , how you been doin' ?? On the smell and taste of HeartLand Nic, I like the slightly peppery, tabaccoish taste I got from ecigexpress Nic (but not a chemically taste or smell that some have talked about finding in some other Nic's) and hope I get close to that again with MFS, but if not, then I hope to get something similar when I get some HeartLand. Do you thing there is a chance I will get that with HeartLand ?? 19 to 24 liters ?? Boy Howdy, you must vape alot more than I do, but, you are ready for the End of the World girl. :lol::lol::lol:
 
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stols001

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You might IDK. Try a liter.

I am only 45 and well, my family lives to OLD AGE. Despite smoking and drinking like it's going out of style. My grandfather, a chronic alcoholic had like 7 heart attacks and lived into his 90s.

He was not particularly happy by the end, however. The last time I saw him was at my dad's second wedding. I tried to introduce myself and he LEANED forward in his wheelchair and screamed, "Get out of my face and leave me alone!!!!!" I was like "Holy sh:censored:!!!" I was also about 8 months pregnant and it was like demons were coming out of his face." I nearly dropped the sprog right there.

They say, "Don't fly when you are pregnant" (We all flew, we were gifted tickets by our parent, who wanted the "children's approval" for the wedding as it so happened, he was SUPER the worst that trip.)

I say: "Do not fly to Australia to witness your fathers wedding while 8 months pregnant." My sister had the best time I think, like, she moved all her final exams to hang out in a hotel room for days after being stuck in an ice storm halfway. She totally had it good.

Oddly enough, he could not give me away at EITHER wedding, "It was inconvenient in the schedule." I was not much bothered though I had my mom do it one time and my little brother the other. Heh.

Anna
 

stols001

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Heh. If I told all the tales of the dysfunctional nature of my biological family I'd be here for days. It's kind of the difference between like, regular nic and WTA, my family and normalcy.

I will say, when they got divorced, I was so excited! LOL, I was like, "We all are gonna be so much happier!"

How little I knew.:lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol::lol:

WTA .Yum. Getting close to yoga time.

Anna
 

dansus

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    Alien Traveler

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    Thanks for the link.
    It's interesting that Nature started to publish e-cigarette research.
    While results of the paper are theoretically sound, I see no practical importance in it. We inhale vapor, we absorb droplets by our lungs. We do not dwell on observing them while they are floating/evaporating in air.
     

    stols001

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    I always thought like, "Raman scattering" was what I did when I dropped the pot of the best tasting EVER all over the kitchen floor. Oh wait that is Ramen, but I thought that was because it like, happened in the plural sense.

    IDK Nature's cool and all. But let us! Never! Forget! It also published the uh, "cold nuclear fission" experiments.

    My batty but adorable physics teacher was THRILLED. He was a rather non-compliant type I diabetic and his cursing let us know when he needed an injection and one of us students would lead him gently to the teacher's lounge. When he found out it was non-repetitive, he was oddly listless but like, not right. I went and got, not the school nurse, but whatever the school nurse's equivalent might have been that day, maybe the P.E. teacher.

    Yeah I went to one of those Special Schools for Incorrigible Children with Well-off parents. It was the best. It wasn't a BAD education just sort of offbeat.

    Well for math for me, it was VERY bad, my mother had to "Fix" my SAT score and no matter how kind she was before she lost her temper completely it was NOT good for either of us. LOL, she said her worst day was when she was like "Oooh, honey you got this problem WRONG. This is so exciting we can figure out what happened!" I was like, "No, let's not, I bet there will be a TON of math problems in my future, I can figure out how to get THOSE right let's just pretend this one never happened." My mother was so shocked at this attitude toward math she just kind of... blinked… for a while, saying nothing. She told my husband and he was equally bemused. They bonded.

    I am sorry for this total derailment. It is kind of cool cuz it's NATURE I guess. Although most experiments now are non-natural in origin unless you call all existence nature (you certainly could.)
    Anna
     

    Katya

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    I only titrate when I am diluting my Master Batch down (yes, down) from 1000mg to 100mg concentrate. When I mix/dilute the 100mg I dont bother titrating again as the margin of error if measured correctly will be minimal.
    I just titrated some freezer stored 100mg/ml (2016) RTS Nic not long ago; titrated around 105mg/ml. This Nic had been kept in the original RTS bottle. The bottle was only half full of Nic, so there was plenty of regular old air in the bottle. The Nic was clear; no twinge of yellow/brown at all.

    @mikepetro @nostradadus and anyone else who uses home titration kits--could you recommend a good one? Or are they all about the same--10-15% accuracy? I'm about to open an old bottle of nic that's been sitting in my freezer and I'm curious.

    Thanks!
     

    mikepetro

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    @mikepetro @nostradadus and anyone else who uses home titration kits--could you recommend a good one? Or are they all about the same--10-15% accuracy? I'm about to open an old bottle of nic that's been sitting in my freezer and I'm curious.

    Thanks!
    They are all about the same. The reason you can only get about accuracy +/- 10% is because of the molarity of the reagents used in these kits, and the lack of precision in the labware. Reagents with more accuracy (better molarity), and labware accurate to .01ml, are cost prohibitive and generally only available to laboratory circles.

    From conversations with Dr Kurt:

    What is the molarity of your acid? If it is labeled as 0.1M then you only have 1 significant figure, and so will have only one sig fig in the resulting nic concentration. So you cannot say, for example, 105.0 mg.mL, you could only say 100 mg/mL...or 90 mg/mL.

    +/- 1% precision is HARD with titration! It requires acid standardized to at least 3 preferably 4 sig figs, as in 0.1078M, rather than 0.1M. And your volumes must be accurate to 3 or 4 sig figs too, so 5.00 mL rather than 5 mL. Otherwise you cannot really say anything to precision under about 10 mg/mL.
     

    Katya

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    Thanks, Mike! I looked at a couple of kits and they are indeed very similar; most use hydrochloric acid solution, while NN uses sulfuric acid and claims that, "Unlike other nicotine test kits on the market, we utilize a more dilute acid solution for increased resolution in readings. Tl;dr - Your results will likely be more accurate than competing nicotine test kits!"

    Anyway, I'll probably give it a try. Out of curiosity. At this point, I just want to know if there's any nic left in my base. :lol:
     

    Rossum

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    At this point, I just want to know if there's any nic left in my base. :lol:
    Where would it have gone? What would it have become?

    About the only thing that can happen to nic in a sealed bottle is oxidation. At one point Kurt did some math estimating how much oxygen could possibly be in a bottle (both in the air in the head space and dissolved in the dilutent) and concluded that even of all the available oxygen combined with nic, the reduction in strength would be minimal.

    IMO, if your nic has not darkened much and doesn't stink, you can be confident it retains whatever strength it had when it was bottled. And even if it has darkened and does stink, it's still darn close, but it will taste like :censored:.
     
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    Katya

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    Where would it have gone? What would it have become?

    Well, it wouldn't have gone anywhere, but it might have continued to oxidize due to the presence of some oxygen molecules left in the carrier after mixing, bottling, etc. And an oxidized molecule is not the same as the parent molecule, as you know. My rusting iron fence comes to mind. ;)
    About the only thing that can happen to nic in a sealed bottle is oxidation. At one point Kurt did some math estimating how much oxygen could possibly be in a bottle (both in the air in the head space and dissolved in the dilutent) and concluded that even of all the available oxygen combined with nic, the reduction in strength would be minimal.

    That's reassuring. I remember his estimations but I also like to check things out for myself. Not always, just sometimes. :D He didn't really know how many oxygen molecules were left in the diluent. He just estimated. Glycerol and propylene glycol molecules also contain oxygen--how stable are those molecules? Do they break down over time? Under what conditions? I have no idea, I'm not a chemist. Hence my questions.
    IMO, if your nic has not darkened much and doesn't stink, you can be confident it retains whatever strength it had when it was bottled.

    I sure hope so.
    And even if it has darkened and does stink, it's still darn close, but it will taste like :censored:.

    But is it? That rust on my fence doesn't even remotely resemble the iron it once was. As a matter of fact, some parts are rusted all the way through. Sprinklers... I really need a new fence. :D
     

    Rossum

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    But is it? That rust on my fence doesn't even remotely resemble the iron it once was. As a matter of fact, some parts are rusted all the way through.
    Sure, but your fence is outdoors, where there's an unlimited amount of oxygen available. Put some iron in a sealed glass jar. It will stop rusting when all the oxygen in the jar is used up. Moreover, you can see whether it has oxidized at all. I think the same is true of nicotine.
     

    Katya

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    Sure, but your fence is outdoors, where there's an unlimited amount of oxygen available. Put some iron in a sealed glass jar. It will stop rusting when all the oxygen in the jar is used up. Moreover, you can see whether it has oxidized at all. I think the same is true of nicotine.

    Oh, I know. I was just thinking out loud more than arguing the finer points of the oxidation processes. DVap, another forum chemist and WTA guru, always pointed out that nicotine in our eliquids undergoes more (and more rapid) oxidation during the process of vaping--when said eliquid meets a hot coil and a blast of oxygen--than during long-term storage, especially during proper storage in a freezer, with no light and limited oxygen supply. ;)
     
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    Rossum

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    DVap, another forum chemist and WTA guru, always pointed out that nicotine in our eliquids undergoes more (and more rapid) oxidation during the process of vaping--when said eliquid meets a hot coil and a blast of oxygen--than during long-term storage
    Interesting.

    I wonder how come that doesn't make it taste or smell like :censored: while letting it oxidize in a bottle does?
     

    Lowjumper

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    Interesting.

    I wonder how come that doesn't make it taste or smell like :censored: while letting it oxidize in a bottle does?


    Well here is part of the answer;
    On exposure to ultraviolet light or various oxidizing agents, nicotine is converted to nicotine oxide, nicotinic acid (niacin, vitamin B3), and methylamine.[127]( from Wikipedia)
    Methylamine ia a gas that has a strong odor, of FISH
     

    Katya

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    Interesting.

    I wonder how come that doesn't make it taste or smell like :censored: while letting it oxidize in a bottle does?

    I wish I knew. I wish I knew if it was true. Makes sense on paper, but perhaps the vaporization of a few drops of eliquid when they hit a hot coil is such a rapid process that any smelly byproducts do not have enough time to develop? Or the amounts are so minuscule that we don't notice them? Just pure speculation. It's way above my paygrade.

    But this conversation took me back to the early (endless) discussions about nicotine storage, degradation, oxidation, and absorption via vaping in general. Some of those threads were fascinating. I loved reading them, especially when Kurt and Dvap were among the participants, as they are both chemists. Here's one by @exogenesis, who actually set up an autovaping machine, autovaped a bunch of e-liquid, and then condensed the vapor to determine its nicotine content. :lol: Hope you'll be able to open the link below--it's a very old thread.

    How much nicotine is destroyed during vaping ?

    Also, wrt our discussion about PG vs VG and long storage, I found this from Kurt (from a related thread: A word about nicotine purity/storage

    "And I still maintain that if the unflavored ejuice is stored with little head room in a sealed bottle, the oxidation extent will be limited to the amount of O2 dissolved in the juice's vehicle, which is very low for PG or VG. Freezer cold will of course slow this, especially with VG, which becomes all but immobile at freezer temps. And of course that will also slow or stop any biological growth that might occur, like bacteria, which is almost impossible for PG, but somewhat more possible for VG, although the chances of having the rare bugs that grow in VG being ambient in the bottling environment are almost zero." ;)
     
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