Your English writing platform
Discover LudwigExact(9)
The major but quite important advantage of NAASAR method of crude oil analysis over SARA (Ali and Notal 1994) is that, in NAASAR method, n-alkanes are obtained directly from diluted crude by urea adduction procedure but in SARA analysis one has to get the saturates first before n-alkanes extraction and there may be loss of volatile material that contains saturates.
In 2007, Sulyok et al. [ 19] reported an LC-MS/MS method capable of detecting 87 analytes with just a single extraction step after which the diluted crude extract was measured directly.
With IEX, binding capacity was determined at various pH values (50 mM sodium acetate buffer) and buffer concentrations (20 – 200 mM sodium acetate, pH 4.5) by applying 110 ml of desalted and appropriately diluted crude enzyme extract (final concentration about 3 U/ml) onto the column.
The experiments were performed with six diluted crude oils and three neat oils, the latter in the presence of an oil-soluble surfactant.
IFT between diluted crude and water with no surfactant was around 6.15 mN/m and decreased to 1.10 mN/m after 0.5wt% surfactant addition.
The 50,000-fold diluted crude extracts from the disruptant exhibited lower inhibitory activity than the wild-type crude extracts (Fig. 5).
Similar(51)
The characteristics of diluted oil sands crude, such as that which would be transported by Keystone XL, are similar to conventional crude oil.
This condensate recovered from natural gas has been used to dilute heavy crude oil and bitumen in Canadian and Venezuelan oil fields in order to enhance their transport using pipeline.
The amount of n-heptane used to dilute the crude oil determines the surface charge of asphaltene resin colloids which in turn affects the deposition rate and quantity.
This suggests that identifying metabolites in (ideally dilute) crude extracts by using only standardized representative chemical shifts is generally practical for most metabolites, although the chemical shifts of some metabolites tend to fluctuate slightly.
Using this flow set-up, a series of dynamic electro-deposition tests were conducted using neat crude oil as well as crude oil diluted with n-heptane at 80 20 and 50 50 ratios.
Write better and faster with AI suggestions while staying true to your unique style.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com