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  • zaxdog
    zaxdog Posts: 774 Forumite
    Part of the Furniture 500 Posts Name Dropper
    RobM99 said:
    zaxdog said:
    RobM99 said:
    zaxdog said:
    RobM99 said:
    That's brilliant, thanks :smiley: I don't have white spirit but I have the other 2. By IPA do you mean the beer??

    Actually that raises another question. Can you still get proper white spirit?
    IMS has to be coloured because of the risk of poisoning - otherwise left around kids / alcoholics, its an accident waiting to happen. Had a Google and white spirit still appears to be white.
    Also coloured to show it's duty free, same as 'red' Diesel (which isn't Diesel). IMS also has a bittering agent (quinine? Can't remember) - the same stuff in the gel mums put on kids thumbs to stop them sucking them. It's usually 95% ethanol C2 H5 OH ("drinking alcohol", it used to  be called) and 5% methanol (wood alcohol)  CH3 OH which burns with a blue flame.
    Red diesel is also known as gas oil and is just regular diesel which has had a dye added to it. This is because it has restricted use eg for forestry, agricultural, fishing, domestic heating etc. In rural areas inspectors will "dip" road vehicles and the dye in even trace amounts can carry a large fine. This is due to the different levels of taxation used for white/road diesel. The restrictions on uses for red diesel have also been tightened recently.

    Lots of hotels/large rental holiday homes have converted their systems to kerosene (replacing jets etc) as a result.

    Hope this helps
    No. Diesel has a much lower sulphur and moisture  content and different additives - lubricity, anti-foamant, detergent, cetane improver and sometimes deodorant. Gas oil is a straight stream from crude distillation and  is feed to a CHD (Catalytic Hydro-Desulphuriser) which also removes the moisture. Source - me, I worked in refinery labs for years. The red dye is quinizarin which as you say, is tested for. 
    I work in logistics and transport for an oil company. In lots of cases (for example island deliveries) diesel is delivered to the depot and pumped into two separate tanks one of which then has the dye added in situ. Same fuel with a dye added.
    It may be that the spec' for gas oil has changed since I left - 0.3% max sulphur then, 5ppm Diesel. If it hasn't, it bloomin' well should!  Anyway that was a few years back.
    I think a few things have changed in the last few years. I do know that certain islands are still on E5 petrol for the next few years whilst E10 is now compulsory on the mainland. 


  • RobM99
    RobM99 Posts: 2,706 Forumite
    Eighth Anniversary 1,000 Posts Photogenic Name Dropper
    You'll remember MTBE in petrol? (Sorry to hijack the thread!!)
    Now a gainfully employed bassist again - WooHoo!
  • In the United States, white spirits are rubbing alcohol and any pharmacy section of a store will have it.
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