Convert ppm of total hydrocarbon to lbs/hr

[vishalrb]

HI

I am trying to convert 1000 ppm of total hydrocarbon to lbs/hr .

can anyone give me good formula or mathod of conversion.

thanks

 

[IRstuff]

ppm is a unitless ratio. You've not given enough information to convert anything

TTFN

FAQ731-376

 

[dcasto]

Is it ppm by weight, by volume, by moles? Then you will need to know the average density, or mole wt, of the total fluid stream and the stream that you are measuring in ppm.

 

[25362]

1000 ppm is 0.1%. Of what in what ?