The laboratory of the Oil Refinery Belgrade is accredited in keeping with requirements of the standard SRPS ISO IEC 17025:2017 by the ATS (Accreditation Body of Serbia), on Sept. 29th, 2004, decision No. 01-102, which certifies its competence and capability to perform 61 different accredited standard test methods for analyzing lubricants, industrial oils and related products, antifreezes, brake fluids, monitoring of oil in exploitation and analyses of used oils.

For more information, call us: +381 11 2711 311  , mobile phone: +381 69 888 47 90 or write us an e-mail at
karmila.boskovic@rnb.rs

Accreditation certificate
Accreditation certificate
No. Type of test and/or characteristic measured (test technique) Range
(where applicable)		 Reference document
1. Determination of kinematic viscosity with Cannon-Fenske viscosimeter 0.2 to 300 000 mm2/s
at all temperatures		 SRPS/ ISO 3104:2003 ASTM D 445:2012
2. Calculating the viscosity index from kinematic viscosities at 40˚C and 100˚C / SRPS ISO 2909:2007 ASTM D 2270:2004
/
3. Determination of viscosity at low temperatures with Brookfield viscosimeter 500 to 1 000 000 mPa·s
Temperature range
+5° do –40°C		 / ASTM D 2983:2009
4. Determination of density of crude oil and its derivatives with the areometer 700 – 1300 kg/m3 SRPS EN ISO 3675:2007 ASTM D 1298:1999
(reap .05)
5. Standard method for determining pour point 0 do -69 ˚C SRPS/ ISO 3016:1997 ASTM D 97:2012
6. Determination of viscosity at high temperatures and high shear rates with the multi-capillary viscosimeter Viscosity 2-5 mPas na 150 ˚C / ASTM D 5481:2004
7. Determination of the foaming of lubricating oils / / ASTM D 892-2011a
8. Distillation of petroleum products / / ASTM D 86:2009
9. Determination of the color of petroleum products 0 do 8 ASTM color / ASTM D 1500:2007
10. Determination of water content in petroleum products and bitumen by distillation 0 to 25 % / ASTM D 95:2005e1
11. Determination of flash point Penski-Martens closed cup 40 do 360 °C SRPS EN/ ISO 2719: 2008 ASTM D 93:2012
12. Determination of flash point Cleveland open cup 79 ˚C do 400 °C / ASTM D 92:2012
13. Determination of flash point Abel-Penski closed cup 0-65 °C SRPS B.H8.047:2012 /
14. Determination of apparent viscosity at temperatures ranging from –5 and –35 ˚C in the Cold Cranking Simulator 500 do 25 000 mPa·s. / ASTM D 5293:2009
15. Determination of shear stability of lubricating oils with polymer additives – apparatus with the European diesel injector at 30 and 90 cycles / / ASTM D 7109:2004
(CEC L-14-78)
16. Determination of shear stability of hydraulic oils with polymer additives, with diesel injectors / ISO 20844 :2004 /
17. Determination of evaporation loss of lubricating oils - Noack test Test A :sa/ Wood metal DIN 51581:2011-09 ASTM D 5800:2008
18. Determination of water separability of petroleum oils and synthetic fluids / SRPS ISO 6614:2003 ASTM D 1401:2012
19. Coding the level of contamination with solid particles 6/ 14 μ SRPS ISO 4406:2005 /
20. Determination of shear stability of lubricating oils with polymer additives – apparatus with the European diesel injector at 30 cycles / / ASTM D 6278:2007
/(CEC L-14-78)
21. Calculation of shear stability index / / ASTM D 6022:2006
22. Testing for n-pentane insolubles by membrane filtration / / ASTM D 4055:2004
23. Determination of Conradson carbon residue / / ASTM D 189:2006e2
24. Determination of base number of petroleum products by potentiometric perchloric acid titration ≤/ 300 mg KOH/g. SRPS ISO/ 3771:1999 ASTM D 2896:2007a
25. Determination of acid number of petroleum products by potentiometric titration up to 150/ mg KOH/g SRPS ISO 6619:1994 ASTM D 664:2009
26. Determination of acid and base number by color-indicator titration up to 250/ mg KOH/g SRPS ISO 6618:2004 ASTM D 974:2008
27. Determination of saponification number in petroleum products up to 400/ mg KOH/g DIN 51559 T-1:
19 78		 ASTM D 94:2007
28. Determination of water in liquid petroleum products by Karl Fischer reagent 50- 1000 ppm / ASTM D 1744:1992
29. Determination of water in petroleum products, lubricating oils, additives by coulometric Karl Fisher titration 10- 25.000 mg/kg / ASTM D 6304:2007
30. Determination of aniline point and mixed aniline point of petroleum products and hydrocarbon solvents -Test A / / ASTM D 611:2007
31. Determination of sulphated ash in lubricating oils and additives 0.005 – 0.02 mass % SRPS ISO 3987:1996 ASTM D 874:2007
32. Determination of ash in oils derivatives 0.001–0.180 mass %, / ASTM D 482:2007
33. Determination of elements in oils and additives (Ba, Ca, P, Zn and S) - WDXRF Ba 0,04 do 1 mas.%,
Ca 0,01 do 0,8mas%
P 0,01 do 0,5 mas.%
Zn 0.01- 0,5 mas %
S 0,1 do/ 1,5 mas%		 / ASTM D 4927:2002
34. Determination of elements in used oils and additives //////////
Ca, Cl, Cu, Mg, P, S, Zn -WDXRF		 Ca 0,01 do 0,2 mas.%
Cl 0,001 do 0,2 ma.%
Cu 0,001 do 0,05mas.%
Mg 0,003 do 0,2 mas%
P// 0,001 do 0,25mas%
S// 0,03 do 1 mas.%
Zn 0,001 do 0,25 mas.%		 / ASTM D 6443:2004
35. Determination of sulphur in petroleum products - WDXRF 0,002 - 5 mas.% / ASTM D 2622:2008
36. Determination of oxidation stability of steam turbine oils by rotating pressure vessel 30-1000 min / ASTM D 2272:2009
37. Determination of oxidation stability of non-inhibited mineral oils / IP 306:1979 /
38. Determination of rust preventing characteristics of inhibited mineral oil in the presence of water / SRPS ISO 7120:1994 ASTM D 665:2006
39. Copper strip corrosion test Class 1 do 4 SRPS EN ISO 2160:2011 ASTM D 130:2004/////
40. Determination of EP characteristics of lubricating oils – four ball test Max. 500/ kgf
490dN		 / ASTM D 2783 :2003
41. Determination of wear protection of lubricating oils – four ball test / / ASTM D 4172:1994
(reap. 2004)
No. Type of test and/or characteristic measured (test technique) Range
(where applicable)		 Reference document
42. Determination of freezing point of engine coolants 0 do -60 oC SRPS H.Z8.053:1984 ASTM D 1177:1994
/(1998)e1
43. Determination of foaming tendency point of engine coolants / SRPS H.Z8.057:1984 ASTM D 1881:1997
(reap. 2009)
44. Determination of boiling point of engine coolants with equilibrium reflux 100 do 200 oC SRPS H.Z8.058:1984 ASTM/ D1120:2011e1
45. Determination of density of engine coolants 1,000 – 1, 1300 g / cm3 / ASTM D 1122:2013
46. Determination of reserve alkalinity of engine coolants / SRPS H.Z8.059:1984 ASTM D 1121:2011
47. Determination of pH of engine coolants 0 -14 pH units SRPS H.Z8.052:1984 ASTM D 1287:1991 (2002)
48. Determination of ash content in engine coolants / SRPS H.Z8.055:1984 ASTM D 1119:2005
(reap. 2009)
49. Glassware corrosion test for engine coolants / SRPS H.Z8.056:2007 ASTM D 1384:2005
50. Determination of water content in engine coolant concentrate by the Karl Fischer reagent method 0,1 -100% / ASTM D 1123:1999/
(reap. 2009)
No. Type of test and/or characteristic measured (test technique) Range
(where applicable)		 Reference document
51. Determination of equilibrium reflux boiling point for brake fluids / SRPS H.Z8.062:1986 /
52. Determination of equilibrium reflux wet boiling point for brake fluids / SRPS H.Z8.063:1986 /
53. Determination of low temperature flow characteristics of brake fluids / SRPS H.Z8.068:1986 /
54. Determination of high temperature stability of brake fluids / SRPS H.Z8.065:1986 /
55. Determination of pH value of brake fluids 0 -14 pH units SRPS H.Z8.064:1986 /
56. Determination of corrosion in the presence of brake fluids / SRPS H.Z8.067:1986 /
No. Type of test and/or characteristic measured (test technique) Range
(where applicable)		 Reference document
57. Dropping point < 220 oC SRPS ISO 2176:2011 ASTM D 566:2002
(reap. 2009)
58. Copper corrosion test for lubricating greases Klasa 1 do 4 / ASTM D 4048:2002
(reap. /2008)
59. Determination of cone penetration for lubricating greases 85 do/ 475 jed SRPS ISO 2137:1997 ASTM D 217:2002////
(reap. 2007)
60. Determination of roll stability for lubricating greases NLGI 1-2 / ASTM D 1831:2000 (reap. 2006)
61. Wear protection for lubricating greases – four ball test / / ASTM D 2266:2001
(reap. 2008)
62. Determination of EP characteristics of lubricating greases – four ball test, welding point Max. 500 kgf
( 490 dN) 		/ ASTMD2596:2010
No. Type of test and/or characteristic measured (test technique) Range
(where applicable)		 Reference document
63. Manual sampling of liquid petroleum products / SRPS/ EN ISO 3170: 2008 /