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D3230-13 reagents & tips for Standard Test Method for Salts in Crude Oil

D3230-13 reagents & tips for Standard Test Method for Salts in Crude Oil

D3230-13 reagents & tips for Standard Test Method for Salts in Crude Oil

(OP)
Hello, I'm working on my undergraduate thesis in Petroleum Engineering and I need some specfic infor about D3230 standar method which measures salt content in crude oils in order to know if it needs desaliting or not.

We need to calibrate the apparatus 1st and for that reason, some special reagents are needed:

I'd be glad to hear some tips or ideas about where to get these reagents and any advise concerning this standard method. Here it goes:

7.1 Mixed Alcohol Solvent—Mix 63 volumes of 1-butanol
and 37 volumes of absolute methyl alcohol (anhydrous). To
each litre of this mixture, add 3 mL of water. (Warning—
Flammable. Liquid causes eye burns. Vapor harmful. May be
fatal or cause blindness if swallowed or inhaled.)

7.4 Hexanes, Reagent Grade, (Warning—Extremely
flammable, harmful if inhaled.)

7.5 Calcium Chloride (CaCl2) Solution (10 g/L)—Transfer
1.006 0.01 g of CaCl2, or the equivalent weight of a hydrated
salt, into a 100 mL volumetric flask and dissolve in 25 mL of
water. Dilute to the mark with mixed alcohol solvent.

7.6 Magnesium Chloride (MgCl2) Solution (10 g/L)—
Transfer 1.00 6 0.01 g of MgCl2, or the equivalent weight of
a hydrated salt, into 100 mL volumetric flask and dissolve in 25
mL of water. Dilute to the mark with mixed alcohol solvent.

7.7 Sodium Chloride (NaCl) Solution (10 g/L)—Transfer
1.00 6 0.01 g of NaCl into a 100 mL volumetric flask and
dissolve in 25 mL of water. Dilute to the mark with mixed
alcohol solvent.

7.8 Oil, Refined Neutral—Any refined chloride-free oil of
approximately 20 mm2/sec (cSt) viscosity at 40°C and free of
additive.

7.9 Salts, Mixed Solution (Concentrated Solution)—
Combine 10.0 mL of the CaCl2 solution, 20.0 mL of the MgCl2
solution, and 70.0 mL of the NaCl solution, and mix thoroughly.

7.10 Salts, Mixed Solution (Dilute Solution)—Transfer 10
mL of the concentrated mixed chlorides solution into a 1000
mL volumetric flask, and dilute to the mark with mixed alcohol
solvent.

7.11 Xylene, reagent grade, minimum purity. (Warning—
Flammable. Vapor harmful.)


THANKS!!!

RE: D3230-13 reagents & tips for Standard Test Method for Salts in Crude Oil

Talk to the lab folks in your chemistry faculty - they probably have these common chemicals somewhere. Dont know if you could use some vegetable oil as the clean pH neutral refined oil, assuming it has the required viscosity.

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