Does anybody know a procedure for doing ICP on polyglycol gear oil (1000 cSt)
The oil I'm refering to is Kluber Syntheso HT 1000
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We have typically used Xylene to dissolve the polyglycol oils. Warning though, the polyglycol will fall out of the Xylene solution after about 5 minutes, so prepare the samples as they are about to be analysed.
I WOULD LIKE TO KNOW IF THERE IS A DIFFERENCE BETWEEN DIESEL FUEL AND HOME HEATING OIL
Thank you BJ, yes I have found out in the meantime that:
Mobil: Dilute with Xylene 4:1
Shell: Dilute with Toluylene 2:1 and makeup the rest with A-1 jet fuel shake well just before test.
We tried the Mobil method at 10:1 and works OK and you're right we have to shake well just before test.
Mobil: Dilute with Xylene 4:1
Shell: Dilute with Toluylene 2:1 and makeup the rest with A-1 jet fuel shake well just before test.
We tried the Mobil method at 10:1 and works OK and you're right we have to shake well just before test.
Also i have found that using TAN solvent works well ie 1:1 toluene and propanol. Hexane can also be subbed in for propanol.
we use white oil to dissolve the lubricant oil and use Co as the internal standard,dilution rate is 1:20.
quote:
Originally posted by djstinson:
I WOULD LIKE TO KNOW IF THERE IS A DIFFERENCE BETWEEN DIESEL FUEL AND HOME HEATING OIL
quote:
Originally posted by djstinson:
I WOULD LIKE TO KNOW IF THERE IS A DIFFERENCE BETWEEN DIESEL FUEL AND HOME HEATING OIL
If you have the ability to run water-based ICP samples, you could try a straight water dilution. The PAG will typically mix with it much easier and be somewhat more stable than a PAG and an oil-based diluent. Isopropanol and water is another possibility.
