boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 just to clarify should i add say 200g of potassium nitrate to 100ml of sulphuric acid and how strong should the sulphuric acid be and will the nitric acid be as strong as the sulphuric acid i have added Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 I used to use the 98% conc, but the yeild was too gassy, I`ve found that around 80%`s just fine, and the nitric still fumes on air contact it`s woked in moles and then by weight, you`re mixing mls with grams here Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 would 70% sulphuric acid give out 70% nitric acid because thats all the concentration i want, and also how would i know if the sulphuric acid is about 70% concentrated if i concentrate it my self from a car battery. Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 if done to 100% completion and there was no water of crystalisation left in the potassium sulphate. if memory serves, 101g of KNO3 is one mole, and 98g is one mole of your H2SO4 (you`ll need to factor in your concentartion of acid to get your required amount). so 202g of KNO3 and 98g of 100% oure H2SO4 will be a ballanced reaction. hope that helps a little? Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 you are correct about the molarity but what i am stuck at is the molarity of 70% concentrated because you now have the addition of water as well as your other compounds so how would you work it out, you have H2SO4 and H2O, h*4, o*5 s*1 then add them together which is 117 so thats one mole of sulphuric acid and one mole of water this is what i reckon then you have to figure out the additon of the 30% water in the sulphuric acid thats what i can not figure out Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 if you boil your acid to 98% (you`ll never get 100% without SO3 addition) then just work from there it`s all just ratios and percentages after that, you KNOW you have 98% pure, and you know that 100% pure weighs 98g per mole, how many grams of 98% H2SO4 will give you 1 mole? that kind of thing Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 ok thanks ill work it that way i all ways seem to go around the houses when it comes to things like these one more thing how could you figure out the concentration of an acid with out using a titration Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 if you get 102 grams of 98% pure H2SO4 that`ll be roughly a mole. then all you do is add it 7 parts to 3 parts Water (very slowly as it will boil!, never add water to acid!, always acid to water!) that will give you as near as dammit your 70% conc, it`s always best to add an excess of KNO3 anyway, as the other way around and your acid will decompose edit: these are Approximate values only! Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 sorry i am very persistant and thank you now then when you say parts do you mean work out the moles then grames again or just volume eg ml Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 no sorry needed at all, and you`re quite welcome Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 yt do you live in england if so where did you get your sulphuric acid from because car batterys seem's to be an expensive idea i can only find new ones not used ones and what type of condensor should i use to make nitric acid and where could i buy cheap glassware i have beakers, filtering flasks, and a few chemicals but i now want to buy distilling equipment to make the nitric acid Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 I get my acid from a company that service batteries (mainly for forklift trucks) I buy it 3 litres for a quid. as for a distilation flask, I use a 250 ml erlinmyer borsilicate type. Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 I get my acid from a company that service batteries (mainly for forklift trucks) I buy it 3 litres for a quid. as for a distilation flask' date=' I use a 250 ml erlinmyer borsilicate type.[/quote'] bloody hell what company is that Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 it`s a small local firm in the next town to me Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 where did you get that and the rest of your equipment eg.condenser if i could get them cheap it would be great Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 i just thought as well... are you american because in one of your old posts you spelt colour color Link to comment Share on other sites More sharing options...
Gilded Posted September 15, 2004 Share Posted September 15, 2004 Well YT's profile says "Good Ol' England" so I have doubts of him being an American. However, I would also be interested in just about every kind of cheap chemistry related stuff in the EU area, since these days it's almost an impossibility to get any nice stuff like aluminum powder or such from USA etc. because all the goddamn pyrotechnics companies are American. :/ Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 he could be american he could have moved to england, and if you want aluminium powder, sodium, potassium, ammonia, sodium chlorate/perchlorate etc go to http://www.kno3.com tell me if its of any use Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 my condensor is home made, I bought a pack of 50 half metre by 5mm borsilicate glass tubes and made my own I spell color that way because I was brought up in Canada and was educated there for most of my childhood. as for ALU powder, germany do the dark flake pyro grade, and you can still use and buy paint grade alu powder in the UK too Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 sorry about calling you an american i know how pissed of canadians can get we people call them american and how did you make your own Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 I`m not Canadian either, I`m an English man, and proud of it! with a simple blow torch and a little skill from practice you can bend the glass tubes to make almost any shape you like, and even attatch them together to make longer peices. basicly I have a large boiling test tube sunk into a block of ice in a container as my receiver, and the 250 conical as the distilation vessel, and a half meter length of tube from that into the receiver, I use a cork bung that`s been coated with teflon tape. it works quite well Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 I`m not Canadian either' date=' I`m an English man, and proud of it! with a simple blow torch and a little skill from practice you can bend the glass tubes to make almost any shape you like, and even attatch them together to make longer peices. basicly I have a large boiling test tube sunk into a block of ice in a container as my receiver, and the 250 conical as the distilation vessel, and a half meter length of tube from that into the receiver, I use a cork bung that`s been coated with teflon tape. it works quite well [/quote'] im glad your are proud of being english and thank you that should help a lot your condenser is it a long tube with a bend in the end or does it have tubes coming off so you can run water through Link to comment Share on other sites More sharing options...
YT2095 Posted September 15, 2004 Share Posted September 15, 2004 a long tube with a bend in it, the end stays under the acid in the tube held in ice, that way I don`t lose much at all, and avoid gassing myself and getting my lungs scared to hell and back. I always add a tiny drop of water into the receiver vessel before I start also, I`m not really all that bothered about the conc of my nitric as it`s not used for explosives or the like, whereby it`s critical to get it correct. I`m just happy with a good strong acid that does the job it`s intended for mostly work for metal salts. Link to comment Share on other sites More sharing options...
jsatan Posted September 15, 2004 Share Posted September 15, 2004 Check ebay for alu powder as its not that hard to find. lol. js Link to comment Share on other sites More sharing options...
boris_73 Posted September 15, 2004 Author Share Posted September 15, 2004 do you know any brand name drain cleaners in england which contain sulphuric acid Link to comment Share on other sites More sharing options...
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