Hope you guys enjoyed and thanks to all who reached out during my absence. A new child, new work, and a back injury really put a damper on the time I could spend in the workshop, but I'm happy to say I'm back at it now. Here's the parts used for this video: -85% Phosphoric Acid: amzn.to/4drcZni - Ferrous Sulfate (I made my own): amzn.to/4dhCIyj - Manganese Carbonate (found cheaper at pottery suppliers): amzn.to/3ZE7IoW - Nitric acid (or substitute a few grams of nitrate salt) - amzn.to/3ZCzNwX
Happy to see you back and I completely understand having to prioritize. I hope the back is well mended, the work is pleasing and that the small human and the maternal unit are happy and healthy.
He *LIVES* !!!! Was happy to see you comment on Mr. Harrell's passing. Hadn't seen anything from you in quite a long time, I thought something bad had happened. I hope your back is doing better, back injuries are nothing to play with.
Its still far from perfect, doubt it'll ever be, but I'm happy to say its serviceable! Truly bummed about Paul Harrell, but man did that guy face his end like a boss.
I have scoliosis, so back injuries are no stranger to me - when your spine isn't straight, your back muscles are stressed in odd ways they're not supposed to be, and injury is far too easy to inflict. I've had months and months of agony multiple times, and I've learned to detect the earliest signs of a problem, and IMMEDIATELY stop what I'm doing. When I stop at the first signs of a problem, I can limit the pain to not too bad, and just a day or 2, but if I push it beyond that, it's hell for weeks or months. Back injuries are the WORST.
Can’t emphasize how happy I am seeing ya post again, started watching you freshman year of high school and here I am commenting 3 years into my mechanical engineering bachelors. Crazy how time flies. Congrats on the new kid my man, keep up the great videos as always!
Hey happy to see you back! Clearly notifications don't work as I've seen your video just now. I experimented blackening steel using phosphoric acid only...85%, hot. To me it worked decently well. I'll try to add manganese and iron sulfate one day to see the difference. Thanks for posting and Merry Christmas. Claudio.
Good to see you back. Couple things I could suggest. Using electrical contact cleaner (pentane) as a final de-oiling step is about the cleanest solvent commonly available. Even an inactive machine shop still has a notable partial pressure of hydrocarbons in the air, so perhaps this is an outside step. I might suggest a flash oxidation with ozone after the citric etch, I’ve read papers on the use of it In significantly increasing the adhesion of concrete to rebar (like 2-3 times) because it’s a very fine, microscopic and strongly adhered oxide. I would imagine it’s of use here because it would greatly increase the density of nucleation sites? If that’s even the right term here, but definitely anything that increases nodule density would refine the grain significantly I would hazard a guess.
I used the concentrate from Brownells many years ago to park a tabuk flash hider for my long-barreled AK (came out great). The comments I saw online had similar issues you had with the first batches and there were quite a few that suggested putting some steel wool in the new solution... that something about the iron that gets dissolved in the process from the first run makes the future runs better.
Your videos are really great. You are a hobby chemist and you show it. You don't pretend to know something you don't know and I give you a lot of credit for that. Keep up your good work. Greetings from a professional chemist
Welcome back ! instant click as soon as I saw this notification..went looking for you manually a few months back wondering if the algo had done something dumb.
I recently came to this channel cos i was interested in nitric acid making(not for any project just curious) and i decided to subscribe even though i saw the channel seemed to be dead, and like magic 2 weeks later a new video
Omg he is alive, iv missed his videos so bad that I went back and watched every single video a few times. It's been a few years since I saw any new videos. Low and behold here it is. Thank god your back making new ones. I had a serious back injury myself from getting t-boned by a drunk driver. L4 and l5 no longer have any cushioning between them. I'm so tired of seeing TH-cam nonsense and so glad your back (alive) thank god. Please 🙏 keep them coming. 🙏
I'm really glad that you're back (and that your back is back to normal). After typing that out, back doesn't even sound like a real word anymore... Back.
So happy i found this, 2 years since your last video great to have you back. Looking forward for more. The algorithm never recommended this upload to me i only found it since i was browsing through old youtube subscriptions, lucky me. All notifications activated.
I am so happy you're back!!! I thought something terrible happened. The last episode I saw was you making nitric. Just glad you're OK, that the family is good!!! You're awesome!!!
I'm making a knife from a file and planned on bluing it. Parkerizing might be a way to go for a finish. It will be a bush craft style knife so it'll need a durable finish. I was glad to see a new video. Welcome back.
Holy Hell man. I have done the new child, new work and back injury but never all at the same time. Good to have you back with us, I was getting worried.
Im so glad you are back. Probably the best channel on youtube for manly chemistry. Would love to see other types of content too, there must be tons you could teach us.
I agree, the Parkerizing coating looks better and protects the outside. Love the way it looks as well. That's why they Parkerize impact sockets, makes them last. forever
Welcome back! Yeah, a back injury and a new kid will slow you down, that's for sure. Glad you hear you're OK though and hopefully we'll be seeing some new videos soon 👍👍
Well done Bob, you succeeded where I failed. I've never been able to get satisfying results in my tests. Do you need to process steel wool with your solution to keep the iron content high enough?
Thanks Carlo! With the added ferrous sulfate I have found the solution is pretty much ready to use out of the gate, no need for seasoning with steel wool, although perhaps a tiny addition wouldn't hurt as I've found the first batch of parts to not look quite as nice as following batches.
Hope you guys enjoyed and thanks to all who reached out during my absence. A new child, new work, and a back injury really put a damper on the time I could spend in the workshop, but I'm happy to say I'm back at it now. Here's the parts used for this video:
-85% Phosphoric Acid: amzn.to/4drcZni
- Ferrous Sulfate (I made my own): amzn.to/4dhCIyj
- Manganese Carbonate (found cheaper at pottery suppliers): amzn.to/3ZE7IoW
- Nitric acid (or substitute a few grams of nitrate salt) - amzn.to/3ZCzNwX
Sorry to hear about the back injury .. that can never be fun :(
Congratulations on the new mini human!
Missed opportunity for a "how I made blue bathtub crystals" video with a really click baity thumbnail 😂
Good to see you back. I've checked several times to make sure yt wasn't suppressing.
Happy to see you back and I completely understand having to prioritize. I hope the back is well mended, the work is pleasing and that the small human and the maternal unit are happy and healthy.
He *LIVES* !!!! Was happy to see you comment on Mr. Harrell's passing. Hadn't seen anything from you in quite a long time, I thought something bad had happened. I hope your back is doing better, back injuries are nothing to play with.
Its still far from perfect, doubt it'll ever be, but I'm happy to say its serviceable! Truly bummed about Paul Harrell, but man did that guy face his end like a boss.
@@ElementalMaker he truly was a class act.
I have scoliosis, so back injuries are no stranger to me - when your spine isn't straight, your back muscles are stressed in odd ways they're not supposed to be, and injury is far too easy to inflict. I've had months and months of agony multiple times, and I've learned to detect the earliest signs of a problem, and IMMEDIATELY stop what I'm doing. When I stop at the first signs of a problem, I can limit the pain to not too bad, and just a day or 2, but if I push it beyond that, it's hell for weeks or months. Back injuries are the WORST.
Holy Crap!... You're alive! Glad to have you back.
You are not dead! I am so happy .. the fact you've uploaded a video has made my day!
We missed you :)
It's great to see you back
YESS HE'S BACK!!!! 🎉🥳
i missed this channel so much
Can’t emphasize how happy I am seeing ya post again, started watching you freshman year of high school and here I am commenting 3 years into my mechanical engineering bachelors. Crazy how time flies. Congrats on the new kid my man, keep up the great videos as always!
So glad you're back! Excellent project for your return as well! Thank you for a great video
HOLY SHIT. YOURE ALIVE!! I love your content man. Glad to see you back.
So glad to have you back!
Great to see you back... and then a topic I am interested in to boot...
Jesus, Mary and Joseph....has a year flown by that fast?!
I keed, I keed.
Good to see you back. I hope you and your family are well, sir.
Hey happy to see you back! Clearly notifications don't work as I've seen your video just now. I experimented blackening steel using phosphoric acid only...85%, hot. To me it worked decently well. I'll try to add manganese and iron sulfate one day to see the difference. Thanks for posting and Merry Christmas. Claudio.
Good to see you back. Couple things I could suggest. Using electrical contact cleaner (pentane) as a final de-oiling step is about the cleanest solvent commonly available. Even an inactive machine shop still has a notable partial pressure of hydrocarbons in the air, so perhaps this is an outside step.
I might suggest a flash oxidation with ozone after the citric etch, I’ve read papers on the use of it In significantly increasing the adhesion of concrete to rebar (like 2-3 times) because it’s a very fine, microscopic and strongly adhered oxide. I would imagine it’s of use here because it would greatly increase the density of nucleation sites? If that’s even the right term here, but definitely anything that increases nodule density would refine the grain significantly I would hazard a guess.
Hell yeah. Glad to see that you're back.
I used the concentrate from Brownells many years ago to park a tabuk flash hider for my long-barreled AK (came out great).
The comments I saw online had similar issues you had with the first batches and there were quite a few that suggested putting some steel wool in the new solution... that something about the iron that gets dissolved in the process from the first run makes the future runs better.
Glad to have you back. Congratulations on the new child and sorry to hear about your back injury.
Sorry to hear about your back (can relate), glad to see another video!
You threw your back out making a baby too?
@@nunyabisnass1141 I want to know how to make baby. I want baby.
When he was needed most, he returned!
Glad you're back!
Nearly broke my computer clicking on your video. Great to have you back!
I was missing that "Today!" in my life. Good to see you back.
Your videos are really great. You are a hobby chemist and you show it. You don't pretend to know something you don't know and I give you a lot of credit for that. Keep up your good work. Greetings from a professional chemist
Welcome back ! instant click as soon as I saw this notification..went looking for you manually a few months back wondering if the algo had done something dumb.
I recently came to this channel cos i was interested in nitric acid making(not for any project just curious) and i decided to subscribe even though i saw the channel seemed to be dead, and like magic 2 weeks later a new video
Omg he is alive, iv missed his videos so bad that I went back and watched every single video a few times. It's been a few years since I saw any new videos. Low and behold here it is. Thank god your back making new ones. I had a serious back injury myself from getting t-boned by a drunk driver. L4 and l5 no longer have any cushioning between them. I'm so tired of seeing TH-cam nonsense and so glad your back (alive) thank god. Please 🙏 keep them coming. 🙏
Thank you and sorry about your back too, back injuries are brutal stuff.
Good to have ya back man! :) yeah I'm with ya, parkerizing and other surface coating stuff fires me up!
Good to see your back. Missed your videos.
Happy to see you back! You will always be one of my favorite cim tubers
I'm really glad that you're back (and that your back is back to normal). After typing that out, back doesn't even sound like a real word anymore... Back.
So happy i found this, 2 years since your last video great to have you back.
Looking forward for more.
The algorithm never recommended this upload to me i only found it since i was browsing through old youtube subscriptions, lucky me.
All notifications activated.
miss watching your vids so much, glad to see you back
Glad to have you back.
Dude, you're back! Its great to see. Made my day. Congratulations on the new baby, & new job.
WOAH! So glad you're back! Sorry to hear about your back. Congrats on the new baby! My wife and I just had our first YESTERDAY!
Nice to see you back! 🙂
I am so happy you're back!!!
I thought something terrible happened. The last episode I saw was you making nitric.
Just glad you're OK, that the family is good!!!
You're awesome!!!
Your channel was one of the first ones that got me sucked into TH-cam. Glad your back in business, a pleasant surprise.
So happy you are back !
I'm making a knife from a file and planned on bluing it. Parkerizing might be a way to go for a finish. It will be a bush craft style knife so it'll need a durable finish. I was glad to see a new video. Welcome back.
Glad to see you kicken again
Mate... Looking forward to watching you teach us and make us chuckle 😊
Never heard of it, now i think its awesome!!
Thanks
Holy Hell man.
I have done the new child, new work and back injury but never all at the same time.
Good to have you back with us, I was getting worried.
Glad to see you back here. I hope you are all healed up! Really took me back to see a video from you :D
I'm so glad you're back! I just got home from surgery, so this was a very nice surprise on a terrible day.
Best of luck with your recovery 👍
So excited to see this video show up on my subscriptions feed! Please don't be a stranger!
The legendary voice is back !
Im so glad you are back. Probably the best channel on youtube for manly chemistry. Would love to see other types of content too, there must be tons you could teach us.
Thank you!
It is so great to see you back at it. I know how the back injuries can be.
great to see you back
Congrats on the new kid! And also on recovering from the back injury.
Welcome back! Glad that the rumours about you being nabbed by the ATF were false.
Glad you're not dead! Welcome back
The return of the king!
Glad your back! Missed your videos. Some of the best to learn stuff for a hands on learner like me.
So excited to see you back! Love your vids!
Glad to see back and I missed your video topics and your refreshing humor!
Glad to hear you're doing better now, welcome back!
Holy😮 i thought you d!3d
Really good to see you posting. Hope all is well enough to keep posting. I missed your vids something fierce.
Great to see you are back!
Thought you won the lottery and went off grid.! Welcome back we missed you.
I agree, the Parkerizing coating looks better and protects the outside. Love the way it looks as well. That's why they Parkerize impact sockets, makes them last. forever
AFTER 2 YEARS, you are back holy crap!
Glad to see you back.
So glad you're back 😊
Missed you! Thank god welcome back! Glad you are ok
so happy your back love the videos
Welcome back! Yeah, a back injury and a new kid will slow you down, that's for sure. Glad you hear you're OK though and hopefully we'll be seeing some new videos soon 👍👍
My ninja! Glad to see you back mang, I hope the back and the baby are good and looking forward to see what shenanigans you come up with these days🤙🏼🔥
Glad you are ok and things are getting better.
Glad you're back and doing better, been missing your vids.
Good to see you back :) Look after yourself. Yes, I will be making notes on this.
Wahey! You’re back. Great to see you back at it. Sorry about your back and congratulations on the new bubba.
So happy to see you back!
Happy to see you are feeling better and getting back into it buddy - thanks for another awesome video!
Welcome back! Glad you’re on the mend!
Welcome back!!! You have been missed
Glad to have you back!
Welcome back!! I’ve really missed your content.
So glad you're back!
Im super excited to see you come back 🎉🎉🎉🎉
Glad to see you back and making videos looking forward to future content
Oh yay a new video! Welcome back! Long time no see!! :)
Glad to see you back!!!!!!!
Welcome back. Live well and take care.
nice ❤ to see you back at your lab 💚
I definitely understand .
Glad you are back and doing well .
Nice to see you back and well 👌🖖🤗
Great to see you back!
You're alive!!! Welcome back sir! :)
Outstanding! You are back!!!
Great content! Welcome back.
Holy smokes - he's back!
thank you for making a simple recipe so other people with scanning electron microscopes can make a video on it.
Well done Bob, you succeeded where I failed. I've never been able to get satisfying results in my tests. Do you need to process steel wool with your solution to keep the iron content high enough?
Thanks Carlo! With the added ferrous sulfate I have found the solution is pretty much ready to use out of the gate, no need for seasoning with steel wool, although perhaps a tiny addition wouldn't hurt as I've found the first batch of parts to not look quite as nice as following batches.
You're back! He's back! He's back!!!
That's pretty slick, nice job!
Always a treat to see your stuff!
I know how it is. Back problems suck. Glad to hear you're on the mend.
Great video! Glad you’re back man