Tsp

[PS_Bond]

Does anyone know of a useful source of TSP in the UK?

[Colin KC]

http://www.starlink.rl.ac.uk/star/docs/sg4.htx/node39.html

http://www.indmeas.co.uk/pdfs/industrial_measurements_tsp1.pdf

http://www.crugroup.com/internet/brochures/fertilizers/fcbrochures.nsf/index.htm/

:confused:

[PS_Bond]

Sorry - assumed "everyone" knew what I was blethering about. TSP is trisodium phosphate, a cleaner/degreaser. Seems to be used for all sorts in the US - including an electroetching electrolyte.

[Colin KC]

http://www.chance-hunt.com/Websites/ChanceHunt/ChanceHunt.nsf/productlist/trisodium-phosphate

[keith_beef]

Does anyone know of a useful source of TSP in the UK?

It's the neutraliser for Ferric Chloride, so anywhere that sells that stuff should sell the TSP as well, right?

So, Farnell, Radios Spares, Maplins ...

Or try all the laboratory supply companys that secondary schools and colleges use.

Alternatively, if you're using this to neutralize damascus blades between etchings, Dave tells me that Trond says that according to a neighbour whose cat once shat in the garden of a bloke tht used to know another bloke who once overheard a conversation on a bus, that household soda can be used.

And I don't mean pop, I mean the soda that your great grandmother used to use for cleaning.

Keith.

[Colin KC]

Baking soda, or Bicarbonate of Soda is the beast;)

[PS_Bond]

I frequently use bicarb for all sorts of things - including neutralising ferric chloride, deodorising bins, preventing rust after hand rubbing blades (added to the water as you're doing the sanding)... Cheapest place to buy it I've found so far is the Chinese supermarket (again!). Might work as an electrolyte, I dunno.

TSP, OTOH, is also a cleaner/degreaser - I *think* it gets used in conjunction with sodium hypochlorite for disinfecting homebrew kit, but I'd need to check.

I've been looking around - I'm not the only person to draw a blank on domestic supply of the stuff in the UK.

[keith_beef]

I frequently use bicarb for all sorts of things - including neutralising ferric chloride, deodorising bins, preventing rust after hand rubbing blades (added to the water as you're doing the sanding)... Cheapest place to buy it I've found so far is the Chinese supermarket (again!). Might work as an electrolyte, I dunno.

TSP, OTOH, is also a cleaner/degreaser - I *think* it gets used in conjunction with sodium hypochlorite for disinfecting homebrew kit, but I'd need to check.

I've been looking around - I'm not the only person to draw a blank on domestic supply of the stuff in the UK.

For homebrew stuff, I always used sodium metabisulphite... in contact with acid (usually you use citric acid as a "kicker") this releases sulphur dioxide, which does the real job of disinfecting your fermenting bin.

I wonder if the trisodium phosphate is the modern standard name of what I call metabisulphate (though I doubt it).

Or are you confusing TSP and TCP?

TCP is tri-chloro phenol. This is the TCP you use to disinfect wounds. It can form in beer, if you use tapwater that contains too much chlorine. The phenol from the hops comibes with the chlorine in the water, and all your beer comes out tasting of disifectant cream :yikes:


Keith.

[bagman]

and all your beer comes out tasting of disifectant cream :yikes:


Keith.

sounds like most keg beer to me ;)

[PS_Bond]

The tub of VWP steriliser (now that Chempro is no longer made) I have here lists its contents as 5% non-ionic surfactant (not sure - although TSP does mess up water surface tension), 6.5% chlorine based bleaching agent (sodium hypochlorite) and 20% phosphates (that'll be the TSP then). Too much TSP in the mix degrades the disinfecting nature of the hypochlorite, but I don't remember the mechanism.

I prefer the chlorine based cleaners because the smell doesn't make me feel like my lung are being rasped (which the SO2 does to me).

Forming phenols in beer is something I've experienced in the past. Yech.

Sodium metabisulphite and trisodium phosphate are very, very different beasts!

[Martyn]

Ahhh, thought you meant this for a minute...

http://img.dooyoo.net/GB_EN/120/lifestyle/health_therapies_treatments/tcp_liquid_antiseptic.jpg

:rolleyes: :D

[keith_beef]

Ahhh, thought you meant this for a minute...

http://img.dooyoo.net/GB_EN/120/lifestyle/health_therapies_treatments/tcp_liquid_antiseptic.jpg

:rolleyes: :D

Yep, that's the tri-chloro phenol.

And you sometimes taste it in pub beer...

I think that it's from a fool thinking he can disinfect his beer lines by running bleach through them, and then not rinsing enough. Then he pulls through a half to flush the line, and starts selling beer straight away :rolleyes:

Keith.

[Dave Barker]

Alternatively, if you're using this to neutralize damascus blades between etchings, Dave tells me that Trond says that according to a neighbour whose cat once shat in the garden of a bloke tht used to know another bloke who once overheard a conversation on a bus, that household soda can be used.

And I don't mean pop, I mean the soda that your great grandmother used to use for cleaning.

Keith.

E3loks is all I can say! You **** taking git..... if you don't want info then I won't give it in future.... Now leave me alone cos i don't want to play anymore :crying:

[geo tichbourne]

It is sold over here as a degreaser for driveways or garage floors, comes as a dry powder in a paper container like a milk or beverage container. Usually stocked in the auto parts stores.

[MushiSushi]

found any yet peter?

[PS_Bond]

Nothing even close. I suspsect it suffers from being EvilEnvironmentKillingPhosphate (TM), so the EU may have banned us from thinking about it.

[MushiSushi]

http://www.platerchemicals.co.uk/

[MushiSushi]

http://www.biachem.com/

[MushiSushi]

http://www.sourcerer.co.uk
you have to join ..... but it is just about the best way of finding a chemical supplier anywhere in the uk