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The instrument is designed and manufactured according to the national standardGB/
T6531 “determination of sediment in crude oil and fuel oil”. It also fully meetstherequirements of ASTM D473. It is mainly suitable for toluene extraction to determinethesediment content in crude oil and fuel oil.
(1) Extractor:
A.Condenser: a metal coil with a diameter of 25 mm and a length of about 50 mm, withthe end extending out of the cover plate. The coil is made of copper pipe with anouter
diameter of 5-8 mm. B.Extraction sleeve: made of refractory porous material, with pore diameter indexof
10-16 μ m, minimum permeability of 1.7m 3 / m2 · thousand seconds (air flowrateat 100PA pressure)
C.Sleeve Basket: made of stainless steel
D.Water cup: made of glass, tapered, with diameter of about 20 mm, depth of about 25mm and capacity of about 3 ml. on the side edge of the cup, a glass hook is fused, andthe edge of the cup should be quite horizontal. (2) Heat source: halogen furnace, power 800W
(3) Power supply: AC 220V ± 10% 50Hz
The sample is placed in a sleeve of refractory porous material and extractedwithhot toluene until the residue reaches constant weight. The amount of residueisexpressed as a percentage by weight.
