Videos uploaded by user “Boris Petrov”
Ошибки при осаждении золота
В данном видео наглядно показано, к чему может привести переизбыток меди в растворе царской водки.
Views: 65129 Boris Petrov
Осаждение Золота Аскорбиновой Кислотой
Собсно сам процесс :) Тем кому лень гуглить, но не лень это спрашивать у меня: Царская водка — Википедия - https://ru.wikipedia.org/wiki/%D0%A6%D0%B0%D1%80%D1%81%D0%BA%D0%B0%D1%8F_%D0%B2%D0%BE%D0%B4%D0%BA%D0%B0 Соляная кислота — Википедия https://ru.wikipedia.org/wiki/%D0%A1%D0%BE%D0%BB%D1%8F%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0 Азотная кислота — Википедия https://ru.wikipedia.org/wiki/%D0%90%D0%B7%D0%BE%D1%82%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0 Аминосульфоновая кислота — Википедия https://ru.wikipedia.org/wiki/%D0%90%D0%BC%D0%B8%D0%BD%D0%BE%D1%81%D1%83%D0%BB%D1%8C%D1%84%D0%BE%D0%BD%D0%BE%D0%B2%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0 Аскорбиновая кислота — Википедия https://ru.wikipedia.org/wiki/%D0%90%D1%81%D0%BA%D0%BE%D1%80%D0%B1%D0%B8%D0%BD%D0%BE%D0%B2%D0%B0%D1%8F_%D0%BA%D0%B8%D1%81%D0%BB%D0%BE%D1%82%D0%B0 Золото — Википедия https://ru.wikipedia.org/wiki/%D0%97%D0%BE%D0%BB%D0%BE%D1%82%D0%BE
Views: 41776 Boris Petrov
Gold Recovery From IC Chips
I tried my best to describe the chemicals I used in the video, but some people are still getting it wrong. Like I said in the video they are widely available almost from any store, but if you still in doubt you can buy them on eBay using my affiliate links PH MINUS - SOODIUM BISULFATE - NaHSO4 http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575124499&toolid=10001&campid=5337800097&customid=&icep_item=400804270353&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg CAUSTIC SODA – SODIUM HYDRXIDE – LYE - NaOH http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=2&pub=5575124499&toolid=10001&campid=5337800097&customid=&icep_item=321358010418&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg
Views: 207709 Boris Petrov
Gold Recovery using peracetic acid (White vinegar + Hydrogen peroxide)
Less dangerous way of refining gold
Views: 132115 Boris Petrov
Gold precipitation mistakes
This particular video is showing possible side reaction of what may happen when you have excessive amount of dissolved copper in your Aqua Regia
Views: 16084 Boris Petrov
Gold precipitation mistakes using SMB
One more possible, but unwanted reaction while reducing gold using SMB
Views: 30600 Boris Petrov
Silver Chloride Recovery - Sugar And Lye Method
Really easy way of refining silver from silver chloride
Views: 34796 Boris Petrov
Dissolving Gold in Poor Man's Aqua Regia
The whole proccess of dissolving gold in poor man's aqua regia and futher precipitation with SMB
Views: 51896 Boris Petrov
Золото из спутниковой тарелки
Разбираем / ломаем спутниковый конвертер
Views: 14869 Boris Petrov
Dissolving Gold in Hydrochloric Acid and Hydrogen Peroxide
read full article here http://www.alhimika.net/showthread.php?t=286
Views: 202553 Boris Petrov
My Advice For Every Beginner Gold Refiner
Here is the link to download some of gold refining books http://alhimika.net/book.html
Views: 7365 Boris Petrov
Gold Precipitation Using Sodium Metabisulfite (SMB).
This video is the introduction to my full post about gold precipitation using SMB. Here I covered it in details and made an English translation for you http://www.alhimika.net/showthread.php?t=859
Views: 11712 Boris Petrov
Gold Recovery from Satellite Dish (LNB)
Two different LNBs were taken apart just to have a look if there is anything worthy inside
Views: 32804 Boris Petrov
Another Gold Melting Tip
Just one of ideas I came up just recently. You never know it may help somebody else who decides to use any cheap butane torch.
Views: 3798 Boris Petrov
Осаждение золота железным купоросом
In case if you missed it here is the English version of the same video I already published some time ago https://www.youtube.com/watch?v=6C1bSId63p4
Views: 25893 Boris Petrov
Золото из золота, а не из компютера, мобильного телефона или камня )
Нечего тут расписывать, кому надо просто смотрит
Views: 12129 Boris Petrov
The Cheapest Way Of Getting Sulfuric Acid
In my humble opinion Sulfuric Acid based drain opener is the way to go )
Views: 3733 Boris Petrov
Выпадение хлорида серебра
обсуждение темы http://alhimika.net/showthread.php?t=674
Views: 5628 Boris Petrov
Hofmann voltameter - Electrolysis of water
I just realised I never upload original (English) version of this video, but just its Russian translation. So here it is now :)
Views: 1226 Boris Petrov
Простой тигель для плавки серебра и золота
Обсуждение темы http://alhimika.net/showthread.php?t=641
Views: 32329 Boris Petrov
Identifying Hydrogen Sulfide - H2S - Safety video
Quite often a lot of people asking me such a silly quitestions that I have a moral duty to publish safety videos. Remember! Working with chemicals is a dangerous thing if you do not know what you are doing. Plaese watch this quick video about dangers of Hydrogen Sylfide. How to Identify it and how to treat a casualty. https://en.wikipedia.org/wiki/Hydroge...
Views: 45472 Boris Petrov
Silver Recovery from Compact Discs
Let's have a look if there is any silver in compact discs :)
Views: 1023486 Boris Petrov
Microwave Gold or Silver Melting Furnace
Yes you can melt gold using microwave
Views: 2926 Boris Petrov
Melting Gold with Faithfull Workmate Torch
Even I did my best to explain where did I bought this torch, some people keep asking me same thing over and over again :) I bought it on eBay, follow this link for eBay search results http://rover.ebay.com/rover/1/711-53200-19255-0/1?icep_ff3=9&pub=5575124499&toolid=10001&campid=5337800097&customid=&icep_uq=Faithfull+Workmate+Torch&icep_sellerId=&icep_ex_kw=&icep_sortBy=12&icep_catId=&icep_minPrice=&icep_maxPrice=&ipn=psmain&icep_vectorid=229466&kwid=902099&mtid=824&kw=lg [affiliate]
Views: 2405 Boris Petrov
Preparation of Oxygen - Seven Demonstrations
Original Video by Encyclopaedia Britannica Educational Corporation - 1970 I managed to restore this film and made it at least a bit watchable. Removed film scratches and some colour cast problems also up scaling was done. I hope you enjoy this educational film. They were one of best ones ever made
Views: 1155 Boris Petrov
Cheap and easy DIY gold and silver melting crucible
Discussion thread about this video http://alhimika.net/showthread.php?t=641
Views: 11898 Boris Petrov
Prospecting for placer gold in Gilbert, Nevada - 1927
Quite an interesting short film for those interested in the history of gold prospecting. Also you can see gold panning and gold pans from those days. Obviously less efficient than modern gold pans, but somehow they still managed to get some gold :)
Views: 951 Boris Petrov
Gold Recovery From Computer Gold Plated Pins - One Of My Own Methods
Check Wiki - it may give you at least some kind understanding of a whole proces https://en.wikipedia.org/wiki/Reactivity_series
Views: 5672 Boris Petrov
Аффинаж Золота
Зацениваем, комментируем и делимся опытом http://alhimika.net/forum/showthread.php?tid=55
Views: 18912 Boris Petrov