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Author Topic: Just one quick bitch, part two  (Read 277418 times)

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Offline Lestat

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Re: Just one quick bitch, part two
« Reply #14625 on: December 12, 2018, 10:32:34 PM »
I fucking HATE this digital hotplate of mine, I've got quite a few  hotplate-magnetic stirrers, but this one, it expects one to program it, with error correction values, temperature start ramp point, actual operating temperature and a load of other shit, some settings aren't even in the instructions, which are in chinglish of the worst kind.

For example, the temperature, it says P value= number divided by 100, if value=100 then temp control starts at 199 'C, but if set to 40 then begins at just a couple of degrees lower. I totally do not understand that, it seems like squirrely, non-linear math.

I don't want a hotplate I need math to operate AT ALL. I just want to be able to turn a dial, and ramp up the temperature, not with specific settings, click 1, 2,3,4 etc. Just a fucking trimmer pot for the heat and one for the stirring.

The thermocouple ain't behaving right either. It controls the temperature, and fucking christ, it's showing a temp. of just below 28 'C, and isopropanol is beginning to bump and boil. I've got a regular thermometer in there, a non-digital, bog standard alcohol thermometer and it just...ugh.

Fucking hell, I'm dyscalculic as fuck to begin with, the last thing I need is some bitchy piece of tech that there is NO need for such settings, but demands  anyway and then doesn't get it right, with chingrish instructions that aren't even complete, and with math that even to me seems TOTALLY nonlinear and wrong.
Beyond the pale. Way, way beyond the pale.

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Offline Lestat

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Re: Just one quick bitch, part two
« Reply #14626 on: December 12, 2018, 11:58:36 PM »
Thankfully in this  case, what I was doing didn't need  precise temperature control.

I just had a solution of a compound in isopropanol, saturated at room temperature, and had treated it with aqueous sodium metabisulfite, because the compound I wanted to make, required an aldehyde as a precursor, and in the final steps of what the compound prepared is to be  used for, one of the techniques to be tested for reduction of one of the functional groups; aldehydes are known to interfere with the success, or at best lower the yield if  only small quantities are present.

Bisulfite/metabisulfite forms a sulfonic acid adduct with aldehydes and ketones both, and these adducts, they have a tendency towards  either  abysmal or nonexistent solubility in water, or organic solvents. They just don't like to dissolve in anything, period. As a general principle for the lot of them, they are all like that, so forming such an adduct and then filtration is one way either to purify aldehydes and ketones if one cannot for some reason use vacuum distillation, as they can be regenerated, albeit with a certain percentage of loss in the process.

This aldehyde, it isn't rare, expensive, precious or extremely difficult to get hold of or make, I've got plenty of it and can either buy more or make some if I needed to without too much trouble, so I'm not really fussed  about loss, if  I decide to try regenerating it at all. In this case, I was forming the  bisulfite adduct to trap and be able to filter off any residual aldehyde present, that could  then interfere with one of the two methods of  reduction in the final step, which involves two reductions  one after another; one using sodium borohydride to reduce a double bond, removal of the spent borohydride, as one of the two second-step reductions involves acidic conditions and the presence of a lewis acid also, so I can't afford to have any salts present that might form a nitronate which  would then undergo hydrolysis to a ketone, in a Nef reaction.

As I  could use such conditions, with glacial acetic acid or concentrated hydrochloric, plus ferric chloride in a catalytic quantity as the lewis acid to deliberately form the ketone in  question, I could still work with that and bring about my final goal, but it'd mean more  steps, more purification,  filtration of a whole load of irom oxide wastes, rust, basically, and other  viscous, insoluble shite, by omitting the first borohydride reduction of the double  bond in the compound I'm working on, to go straight to the ketone, and proceed from there. But it's more work,  more use of reagents, more time and buggering  around.

The other technique I'll be testing for the second of the two reductions is catalytic, based on a copper based catalyst used alongside borohydride. No Nef reaction there,

So as the adduct is insoluble as hell I could afford to just wing it, and bastardly fucking  digital hotplate and chingrish partial instructions that I am either too damn dyscalculic to get, or else, and in this instance I think it actually the case, that they are talking bollocks; so I just heated up the isopropanol, to improve solubility of my compound, and vacuum filtration to separate off any aldehyde bisulfite adduct crap, although it seems there was  only a little.

Brought to the boiling point of isopropanol, dissolved near enough all of  my product, leaving the adduct sitting at the bottom of the flask as a solidk filtered off, and now  allowing the flask the Buchner filtration funnel was attached to to cool, so that my product crystallizes as it returns to room temperature, now, I hope, of greater purity. It'll need water washing with saturated NaCl brine several times, to remove the remains of the  sodium metabisulfite,and then recrystallization a couple of times, although I'll take  a melting point test in a microcapillary tube at each recrystallization, until my compound is at the right melting point, so far, so good, tiny crystals are forming in the flask the hot isopropanol solution of the compound was being sucked into by the vacuum filtration, as  it cools, being supersaturated, bits are slowly precipitating out.

I'll strip off say 3/4 of the isopropanol by vacuum distillation, recover it for recycling and reuse after cleaning it thoroughly, earmark it for that specific reaction, as it's recycled stuff, and that ought to cause much of the material to crash out and crystallize, and still more, after a tiny seed crystal is added  to encourage it to crystallize, then wash it well with brine, then ice cold water (this material is  insoluble in water, or if  soluble at all, then it isn't to any meaningful  extent.

Even now, still warm, it's precipitating little fluffy needle-like crystals of the sought reaction product. My job isn't done, far  from it,,  but at least I'm getting  there and it's going as it ought to.
Beyond the pale. Way, way beyond the pale.

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Offline sg1008

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Re: Just one quick bitch, part two
« Reply #14627 on: December 13, 2018, 05:08:26 AM »
Lestat,
I'm still convinced any book you wrote would be a success. You could even publish a journal. Of course you might need to use an alias, and pretend it was fiction... lol. But imagine a book part love story, part chemistry, part mushroom hunting... I'd read it.
Can't you guys even just imagine it?

Forget practicality, or your experience....can you just....imagine?

It's there. It always was.

Offline Charlotte Quin

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Re: Just one quick bitch, part two
« Reply #14628 on: December 13, 2018, 05:09:51 AM »
I have to enrol in my next CA subject by Friday. They make me pay the course fee upfront as soon as I do (about $1300)
Is this a uni fee?

It's a post-grad course not affiliated with any uni, so no FEE-HELP sadly. It's run by Chartered Accountants Australia.

Offline DirtDawg

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Re: Just one quick bitch, part two
« Reply #14629 on: December 13, 2018, 07:31:50 AM »

Daughter called about a minute after she caught the bus to school to ask me to find her iPad and bring it to school.
It is a school thing. Every kid has a school issued iPad. She wanted me to drop it off at school "on the way" home after dropping my son at work.
Well his work is a mile in one direction and her school is five miles in the opposite direction, so her word usage already pisses me off.
Her not taking care of these things on her own pisses me off further, but I am trying to be patient, sensing some degree of panic in her voice.

For ten minutes on the phone she told me where to look for her device and I still can not find it. Hopefully she has it in one of the many pockets of her bookbag. I am fairly sure it is not in this house.
 :dunno:

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The end result of life's daily pain and suffering, trials and failures, tears and laughter, readings and listenings is an accumulation of wisdom in its purest form.

Offline Phoenix

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Re: Just one quick bitch, part two
« Reply #14630 on: December 13, 2018, 08:35:59 AM »
I need a do nothing day where nobody needs me and I can do as I please

It's called "ME TIME"  and we all deserve a day like that once in a while!   8)

I call it a "Fish Day," you get a day off for the halibut.

 :lol1:

I need to book it in but I struggle with the needs of dogs and kids. I do better when the whole house is empty.
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Offline 'andersom'

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Re: Just one quick bitch, part two
« Reply #14631 on: December 13, 2018, 03:42:17 PM »
I need a do nothing day where nobody needs me and I can do as I please

It's called "ME TIME"  and we all deserve a day like that once in a while!   8)

I call it a "Fish Day," you get a day off for the halibut.

 :lol1:

I need to book it in but I struggle with the needs of dogs and kids. I do better when the whole house is empty.

Yes, that's the easy way. But blue moon lunar eclipses are less rare.

I'm getting better at msking the most of short moments, even when not home alone.
I can do upside down chocolate moo things!

Offline 'andersom'

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Re: Just one quick bitch, part two
« Reply #14632 on: December 13, 2018, 03:47:10 PM »

Daughter called about a minute after she caught the bus to school to ask me to find her iPad and bring it to school.
It is a school thing. Every kid has a school issued iPad. She wanted me to drop it off at school "on the way" home after dropping my son at work.
Well his work is a mile in one direction and her school is five miles in the opposite direction, so her word usage already pisses me off.
Her not taking care of these things on her own pisses me off further, but I am trying to be patient, sensing some degree of panic in her voice.

For ten minutes on the phone she told me where to look for her device and I still can not find it. Hopefully she has it in one of the many pockets of her bookbag. I am fairly sure it is not in this house.
 :dunno:

Those are the moments I'm happy not to own a car. My kids knew and know they have to deal with shit like that on their own.
Funny, one of my  bonus kids pulls this a lot on her parents. And she knows how to bring it it the most pathetic way. But whenever I'm around I laugh at her in her face. And she accepts me doing that. (And realises her mum is less likely to give in when I happen to be there when she makes a call like that)
I can do upside down chocolate moo things!

Offline Lestat

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Re: Just one quick bitch, part two
« Reply #14633 on: December 13, 2018, 04:00:22 PM »
Like Sasha&Ann Shulgin's titles on psychedelic phenethylamines and their amphetamine homologs, the other volume on tryptamine psychedelics?

And of course  the voiume released not long before Sasha, may the machine elves rest his soul, died, 'the Shulgin index'

Hm...he didn't touch cathinones or isocathinones Ithe  former are amphetamines  with a ketonic carbonyl C=O group on the beta carbon of the  sidechain, a lot of  stimulant ones are known, cathinone itself being found naturally in the Khat plant,chewed by lots of arabs, somalians, big in kenya as well as  ex-pat communities. The latter  are  similar but have the sidechain rearranged;  next to nothing is known about the isocathinones, and little  about psychedelic ones. Beta-keto-2C-B is  known, and  an active  psychedelic, I've had it, although found it to have fairly strong vasoconstrictive effects, and like many beta-keto-primary amines, especially as freebases, it's not stable, dimerizing into a bright purple pyrazine compound. And I mean BRIGHT, almost fluorescent, and I found it hard just to get inside my system without it decomposing.

There are ways round it though like preparing  them as pthalimidopropiophenones, and probably carbamates, the former has been used in israel IIRC to allow cathinone to survive long enough both to be distributed and sold, and to be taken by the people using it, the pthalimidopropiophenones undergoing decomposition in acidic environments, like stomach acid, giving phthalic acid and the cathinone compound it is the precursor of.
Beyond the pale. Way, way beyond the pale.

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Offline DirtDawg

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Re: Just one quick bitch, part two
« Reply #14634 on: December 13, 2018, 05:33:31 PM »

Daughter called about a minute after she caught the bus to school to ask me to find her iPad and bring it to school.
It is a school thing. Every kid has a school issued iPad. She wanted me to drop it off at school "on the way" home after dropping my son at work.
Well his work is a mile in one direction and her school is five miles in the opposite direction, so her word usage already pisses me off.
Her not taking care of these things on her own pisses me off further, but I am trying to be patient, sensing some degree of panic in her voice.

For ten minutes on the phone she told me where to look for her device and I still can not find it. Hopefully she has it in one of the many pockets of her bookbag. I am fairly sure it is not in this house.
 :dunno:

Those are the moments I'm happy not to own a car. My kids knew and know they have to deal with shit like that on their own.
Funny, one of my  bonus kids pulls this a lot on her parents. And she knows how to bring it it the most pathetic way. But whenever I'm around I laugh at her in her face. And she accepts me doing that. (And realises her mum is less likely to give in when I happen to be there when she makes a call like that)

I tend to agree and I know I have a great deal more work to do with both of mine. I could not be without two cars though. My daughter is good enough at driving now to get her proper license and I will eventually need a third car, soon-ish, I think.

In addition to all that other truama this morning, she had her end of semester piano recital about three hours later and we (mom and dad, both) were planning to attend.

Due to a near by school shooting last year we who were to attend had to pre-register with the police before we were allowed to enter the school building. They ran background checks and we had to bring a printed off thingy to scan on the way into the building, otherwise you do not get past security.
No problem, my wife is a bonded and licensed UPS driver with security clearance scanned at the airport every day. I have maintained a Class III license with the federal government for over forty years and I have a license to carry a concealed firearm in thirty nine states. No problem with clearance issues. But the entry protocol has changed significantly. All the parents were "herded" down the halls in one group with two police officers behind us and two "super perky" young assistants buzzing around distracting some of us from the fact that our school is basically in lock down mode, even with no current incident.

Before the local shooting, they just gave us a map, which was usually out of date, and told us where to go and off we went down the maze of hallways and floor levels to find the recital venue. Today it was A3111 - D, which means A wing where all the arts are, third floor, room (3)111 and section D where all the specialized string classes are held. Actually it was kind of nice to have an escort guiding us to where we were supposed to go, but I could not set my mind aside from the presence of the two police officers following the group. The times we live in, I suppose.
(the terrorists are winning this game.  they have changed the way we live our lives)


After the recital and the meet and greet was happening, I asked if she had found her iPad. She just said she tried to call me, but inside the building the phones do not work, and that is true.
Anyway, the emergency is over and I do not have to shell out for a lost iPad. It was in her bookbag the whole time, but in the "wrong" zippered pouch.

:hair:


HELL!  I forgot to mention that she fucking nailed it (Carol Of The Bells)  not a cynchy piece either. I would have to say she was third or fourth best out of twenty three seniors.
There were two kids who were so far ahead of the rest of the class, they should not even have been there, but in some university for the super gifted. Those two both played Chopin and killed it.
« Last Edit: December 13, 2018, 05:42:27 PM by DirtDawg »
Jimi Hendrix: When the power of love overcomes the love of power the world will know peace. 

Ghandi: Live as if you were to die tomorrow. Learn as if you were to live forever.

The end result of life's daily pain and suffering, trials and failures, tears and laughter, readings and listenings is an accumulation of wisdom in its purest form.

Offline renaeden

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Re: Just one quick bitch, part two
« Reply #14635 on: December 13, 2018, 08:21:45 PM »
I have to enrol in my next CA subject by Friday. They make me pay the course fee upfront as soon as I do (about $1300)
Is this a uni fee?
It's a post-grad course not affiliated with any uni, so no FEE-HELP sadly. It's run by Chartered Accountants Australia.
That's awesome you're doing that. Not the fee though, especially being upfront.
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Offline sg1008

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Re: Just one quick bitch, part two
« Reply #14636 on: December 13, 2018, 08:34:14 PM »
holy crap dirtdawg! That school shit, holy crap, I didn't realise schools were doing that. In my city I don't think its like that, or my father (who is a high school teacher) would've mentioned it. Also, I think here its more the students they worry about than parents anyways (the kids are the ones who bring guns and drugs into the school when it happens). Of course, mass shootings are different thing - a whole new class of danger than just stupid kids bringing guns and drugs to either be cool, as a gang things, or to hurt someone in particular (rather than trying to hurt anyone and everyone as mass shooters do).

But it happens rarely...mostly the 8th graders doing stuff like that according to my father.

That's unnerving with all the security lockdown, even without a mass shooter in the vicinity. Yeah they've won at that point. Propagating fear, making folks spend money and change their ways to feel less afraid, all the while making themselves *more afraid, and not even addressing the root of the threat....
Can't you guys even just imagine it?

Forget practicality, or your experience....can you just....imagine?

It's there. It always was.

Offline DirtDawg

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Re: Just one quick bitch, part two
« Reply #14637 on: December 15, 2018, 07:32:26 AM »
holy crap dirtdawg! That school shit, holy crap, I didn't realise schools were doing that. In my city I don't think its like that, or my father (who is a high school teacher) would've mentioned it. Also, I think here its more the students they worry about than parents anyways (the kids are the ones who bring guns and drugs into the school when it happens). Of course, mass shootings are different thing - a whole new class of danger than just stupid kids bringing guns and drugs to either be cool, as a gang things, or to hurt someone in particular (rather than trying to hurt anyone and everyone as mass shooters do).

But it happens rarely...mostly the 8th graders doing stuff like that according to my father.

That's unnerving with all the security lockdown, even without a mass shooter in the vicinity. Yeah they've won at that point. Propagating fear, making folks spend money and change their ways to feel less afraid, all the while making themselves *more afraid, and not even addressing the root of the threat....

Well, nearby there WAS a shooting in a local school last May, thirteen year old kid got his hands on two guns, got past lax or non-existent security at his Middle School and shot up a classroom. One girl he hit seven times and the teacher, who was hit twice, managed to knock the shit out of the shooter with a basketball to the face and get him down, get the guns away, etc. all while he was bleeding from two gunshot wounds. He is considered to be a local hero.
As is the girl, for surviving her wounds.
Not much news coverage nationally since no one died.  To me the STORY that should make national news is the fact that a science teacher took out the bad guy and saved many lives by simply "weaponizing" a fucking basketball sitting there.

In my training we were taught that anything movable IS already a weapon. Might need cleverness to deploy it, but even a fucking Bball can knock someone down.

So in one jump we went from almost nothing to very strict security.

I pick up my daughter every other day from school. She is a senior and has a flex day every other and gets out by noon. There has been a cop car at the school for many years, but now we usually have six or eight on a normal day.

"Root Of The Threat?"  I think you have it there. We are still nipping at the flower buds and not even doing well at that.
I do not know what to do, but protect my personal space and my family.
Old days, I only carried a gun for protection when I was traveling on the road in strange places. These days I never leave home without being armed - except in rare circumstances like going into a school. Even then, my protection is locked in my car.


Main take away:  my daughter rocked out in her recital!!
« Last Edit: December 15, 2018, 07:36:25 AM by DirtDawg »
Jimi Hendrix: When the power of love overcomes the love of power the world will know peace. 

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The end result of life's daily pain and suffering, trials and failures, tears and laughter, readings and listenings is an accumulation of wisdom in its purest form.

Offline "couldbecousin"

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Re: Just one quick bitch, part two
« Reply #14638 on: December 15, 2018, 07:52:13 AM »
I have a stage 3 maloclusion. The jaw surgery to fix it is major, a bit scary, so I never had it done.

  Ouch, I'm sorry, that does sound scary.  How much does the malocclusion bother you in everyday life?  :(
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Re: Just one quick bitch, part two
« Reply #14639 on: December 15, 2018, 09:02:13 AM »
Lovely to go to bed and hear nearby gunfire at 11 pm.  We do have nearby gun ranges AND some of those bullets have hit nearby houses and penetrated their walls.  Nice to know such noble patriots are keeping us safe from godless communism.  MAGA!
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