Originally Posted by klt1986
So, if you have a UOA completed and you have 60 PPM of aluminum show up in the report (or whatever wear metal you want to insert here), what does this tell you? For the sake of the argument here, lets say it is a 5 quart sump. I'd be interested in seeing a formula on how to figure this.
We could go by weight. It wouldn't be hard to figure out 32 oz a qt so5x32= 160 oz I won't do the scientific conversions for different molecular weights for a quick internet post.
60 ppm is .00006
.00006 x160 =.0096 oz in the sump convert to grams since I am doing English let's comvert to rounder numbers of grams= .0096x28.3495
=.2721552 gramsx1000 = 272 mg. I am rounding here because I am too lazy to do elemental density and convert.
For a visual think of one ibuprofen tablet of 400 mg. This is probably a mass of "aluminum" a little less than half of that in size due to density. This mass is suspended in the 5 qts of oil during operation.
I am not a wizard at this so if I made a gross error or missed a zero let me know.
So, if you have a UOA completed and you have 60 PPM of aluminum show up in the report (or whatever wear metal you want to insert here), what does this tell you? For the sake of the argument here, lets say it is a 5 quart sump. I'd be interested in seeing a formula on how to figure this.
We could go by weight. It wouldn't be hard to figure out 32 oz a qt so5x32= 160 oz I won't do the scientific conversions for different molecular weights for a quick internet post.
60 ppm is .00006
.00006 x160 =.0096 oz in the sump convert to grams since I am doing English let's comvert to rounder numbers of grams= .0096x28.3495
=.2721552 gramsx1000 = 272 mg. I am rounding here because I am too lazy to do elemental density and convert.
For a visual think of one ibuprofen tablet of 400 mg. This is probably a mass of "aluminum" a little less than half of that in size due to density. This mass is suspended in the 5 qts of oil during operation.
I am not a wizard at this so if I made a gross error or missed a zero let me know.
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