Examples of 'wppm' in a sentence
Meaning of "wppm"
wppm (noun): Acronym for Words Per Minute, a measurement of typing or reading speed
How to use "wppm" in a sentence
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wppm
Whereby the wppm are based on the weight of hydrogen peroxide.
Water concentration is reduced to below about 1 wppm.
This feedstream is desulfurized to 30 wppm sulfur under hydrodesulferization conditions.
Mercaptans may be present in amounts of up to about 1 wppm.
Breakthrough was defined as when 1 wppm of phase transfer catalyst was detected in the eluent.
It is expected that such regulations will require sulfur content of less than 15 wppm.
Wppm = weight parts per million.
The product obtained from this treatment had a mercaptan sulfur concentration of 3 wppm.
Levels below 10 wppm are being considered for later years.
The material resulting from the heat treatment had a magnesia content of about 50 wppm.
Less than 1 wppm of nitrogen ; and.
The initial diesel had a nitrogen content of 87 wppm.
The crude phenol as the bottom product contains 360 wppm of hydroxyacetone.
The lowest limit of magnesia measurable by this method is 10 wppm.
The Fischer-Tropsch feeds typically contain 0.1 wppm of sulfur or less.
See also
The resulting concentration of hydroxyacetone in the cleavage product is around 1590 wppm.
The concentration of the catalyst in the entire stream was 1550 wppm expressed as AlCl3.
The dewaxed oil was first hydrotreated to reduce the sulfur content to 200 wppm.
Nitrogen can also be present in a range from about 5 wppm to about 500 wppm.
Typically the solute is present in the solution in an amount not less than 100 wppm.
Nitrogen will also be present and will usually range from about 5 wppm to about 500 wppm.
The cleavage product mixture preferably has sulfuric acid concentration of from 50 to 1000 wppm.
The polymer product was found to contain 16 wppm Zr and 10 wppm Cl.
A process according to claim 6 wherein said product naphtha contains less than 50 wppm sulfur.
The product was flowed through 4A sieves to give a kerosine with 391 wppm mercaptan sulfur.
The feedstock to the first hydrodesulfurization stage will typically contain greater than about 3,000 wppm sulfur.
The catalyst concentration was approximately 700 wppm at AlCl3.
Typically the sulfur content is between 1 and 15 wppm.
It is also preferred that the combined stream contain from about 5 to 50 wppm organosulfur.
These by-products made in such instances may be less than about 100 wppm.
The concentration of catalyst in the stream was approximately 1090 wppm as AlCl3.
A process according to claim 2 wherein said naphtha feed contains at least 1000 wppm sulfur.
The process according to claim 1, wherein said aromatic stream contains less than 1.0 wppm olefins.
The use of claim 1 wherein the blended fuel contains less than 500 wppm sulfur.
