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Hi, I doubt whether this will help in this instance, but the majority of agricultural (fertilizer) grade KCl is marked as 60% K2O which is equivalent to 95-97% KCl. 98-99% KCl in normally marked as 62-63% K2O, which is chemical grade.
In agri grade KCl the other 5% are impurities mainly consisting of sodium chloride (somewhere in the region of 2-3.5% NaCl), clay and iron oxide.
Hope thats any help.
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In Topic: Kcl Purity?
15 January 2008 - 05:32 PM
In Topic: Tube Rolling Machine
13 January 2008 - 05:56 PM
I just roll my tubes on a polished mandrel, lightly lubricated with petroleum jelly. Then clamp the mandrel in a vice and twist the tube off.
In Topic: Synthisis Of Potassium Perchlorate
13 January 2008 - 05:42 PM
Does anyone know a supplier of Pt coated Ti, Ti or MMO anodes at a decent price? Preferably a UK supplier.
Thanks.
Thanks.
In Topic: Visco Machine
13 January 2008 - 04:14 PM
Thats exactly what I had in mind, the clutch I have is an adjustable friction type.
What I need to work out is the correct ratio between draw and spin rate, i.e how many revolutions of the spool plates per 1cm or inch of fuse drawn through the machine. Any advice is much appreciated.
What I need to work out is the correct ratio between draw and spin rate, i.e how many revolutions of the spool plates per 1cm or inch of fuse drawn through the machine. Any advice is much appreciated.
In Topic: Visco Machine
13 January 2008 - 01:40 PM
Heres a few photos of a visco machine I've been building, it will hopefully be finished in the next few weeks.
http://s11.photobuck.....Visco machine
A feature I am including in the design of the machine is a draw rate regulation system. This will keep the draw rate of the fuse through the machine constant with respect to the rotation rates of the spindle plates, regardless of the increasing diameter of the collection spool. This is just a simple friction clutch on the drive shaft of the collection spool.
The most difficult task I foresee is determining the correct draw and spin rates in relation to each other. Can anyone that has built one of these machines advise on a starting point?
http://s11.photobuck.....Visco machine
A feature I am including in the design of the machine is a draw rate regulation system. This will keep the draw rate of the fuse through the machine constant with respect to the rotation rates of the spindle plates, regardless of the increasing diameter of the collection spool. This is just a simple friction clutch on the drive shaft of the collection spool.
The most difficult task I foresee is determining the correct draw and spin rates in relation to each other. Can anyone that has built one of these machines advise on a starting point?
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