PETROLEUM PRODUCTS & GASES
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LUBRICANTS and OILS PROFICIENCY TESTS
         
LUBRICANTS and OILS
Proficiency Testing Scheme Provisional Scope *) ID of PT Final registration date Sample dispatch date
Base Oil Total Acid Number, Air Release time, Color ASTM, Conradson and Ramsbottom Carbon Residue, Density, Evaporation loss by Noack, Flash Point C.O.C., Kinematic Viscosity (40 and 100°C), Viscosity Index, Kinematic Viscosity Stabinger (40 and 100°C), Pour Point, Rust Prevention, Sulfur, Water and Water Separability. iis24L03 12 April 2024 24 April 2024
Engine Oil (fresh) Total Acid Number, Base Number, Color ASTM, Conradson and Ramsbottom Carbon Residue, Density, Evaporation loss by Noack, Flash Point (C.O.C. and PMcc), Foaming Characteristics, Kinematic Viscosity (40 and 100°C), Viscosity Index, Viscosity Stabinger (40 and 100°C), Viscosity Apparent (CCS), Viscosity HTHS, Nitrogen, Pour Point, Sulfated Ash, Sulfur, Water and some elements (Ca, P and Zn). iis24L07 3 May 2024 15 May 2024
Engine Oil (used) The regular sample is available for: Total Acid Number, Base Number, Density, Flash Point PMcc, Fuel Dilution, Kinematic Viscosity (40 and 100°C), Viscosity Index, Kinematic Viscosity Houillon and Water. iis24L08 3 May 2024 15 May 2024
Engine Oil (used) Metals A separate sample is available for metal analysis only (23 elements). iis24L08M 3 May 2024 15 May 2024
Level of Contamination in Lubricants This PT is a lubricant sample specially prepared for the determination of Level of Contamination according to ASTM D7647 iis24L15 3 May 2024 15 May 2024
Gear Oil (fresh) Total Acid Number, Copper Corrosion, Density, Flash Point (C.O.C. and PMcc), Foaming Characteristics, Kinematic Viscosity (40 and 100°C), Viscosity Index, Pour Point, Rust Prevention, Sulfur, Water, Water Separability and some elements (Ca, P and Zn). iis24L01 23 February 2024 6 March 2024
Gear Oil (used) Total Acid Number, Density, Flash Point PMcc, Kinematic Viscosity (40 and 100°C), Viscosity Index, Membrane Filtration, Water and over 20 elements. iis24L02 23 February 2024 6 March 2024
Hydraulic Oil (fresh) Total Acid Number, Copper Corrosion, Density, Flash Point PMcc, Foaming Characteristics, Kinematic Viscosity (40 and 100°C), Viscosity Index, Viscosity Stabinger (40 and 100°C), Pour Point, Sulfur, Water, Water Separability and some elements (Ca, P and Zn). iis24L09 20 September 2024 2 October 2024
Hydraulic Oil (used) The regular sample is available for: Total Acid Number, Density, Flash Point PMcc, Kinematic Viscosity (40 and 100°C), Viscosity Stabinger (40 and 100°C), Sulfur and Water. iis24L10 20 September 2024 2 October 2024
Hydraulic Oil (used) Metals A separate sample is available for metal analysis only (23 elements). iis24L10M 20 September 2024 2 October 2024
PCBs in Mineral Oil Individual congeners Polychlorinated Biphenyls, Aroclors and Total Organohalogenic Compounds (TOX) as Cl. iis24L13 18 October 2024 30 October 2024
Transformer Oil (fresh) Tests from the IEC60296 and ASTM D3487 profiles and other tests: Total Acidity, Appearance, Breakdown Voltage, Color ASTM, Density, Di-electric Dissipation Factor, Specific Resistance, Flash Point (C.O.C. and PMcc), Interfacial Surface Tension, Kinematic Viscosity at 40°C, Water and some additives. iis24L11 18 October 2024 30 October 2024
Transformer Oil (used) The regular sample is available for: tests from the IEC60296 and ASTM D3487 profiles and other tests: Total Acidity, Breakdown Voltage, Density, Di-electric Dissipation factor, Specific Resistance, Flash Point (C.O.C. and PMcc), Interfacial Surface Tension, Kinematic Viscosity at 40°C and Water. iis24L12 18 October 2024 30 October 2024
Transformer Oil (used) Furanics A separate sample is available for Furanic analysis only. iis24L12F 18 October 2024 30 October 2024
Transformer Oil DGA Dissolved gas analysis. Syringe of 50 mL. iis24L14 21 August 2024 30 October 2024
Turbine Oil (fresh) Total Acid Number, Air Release time, Density, Flash Point C.O.C., Foaming Characteristics, Kinematic Viscosity (40 and 100°C), Viscosity Index, Pour Point, Sulfur, Water, Water Separability and some elements (Ca, P and Zn). iis24L04 12 April 2024 24 April 2024
Turbine Oil (used) Total Acid Number, Color ASTM, Density, Flash Point C.O.C., Insoluble Color Bodies, Kinematic Viscosity (40 and 100°C), Viscosity Index, Oxidation Stability, Water and Water Separability. iis24L05 12 April 2024 24 April 2024
 
GASES PROFICIENCY TESTS
 
GASES
Proficiency Testing Scheme Provisional Scope *) ID of PT Final registration date Sample dispatch date
Refinery Gas Tests from the EN15984 profile. iis24S01R 1 November 2023 24 January 2024
Natural Gas (Methane) Methane, Ethane, Propane, iso-Butane, n-Butane, Carbon Dioxide, Nitrogen, Carbon content and Physical properties. iis24S02M 17 January 2024 27 March 2024
Liquefied Butane Propane, Propene, iso-Butane, n-Butane, 1-Butene, iso-Butene, trans/cis-2-Butene, 1,3-Butadiene, n-Pentane, iso-Pentane and Physical properties. iis24S03B 27 March 2024 5 June 2024
Liquefied Propane Ethane, Propane, Propene, iso-Butane, n-Butane, 1-Butene, iso-Butene, n-Pentane, iso-Pentane and Physical properties. iis24S04P 7 August 2024 16 October 2024
Sulfur (total) in LPG Total Sulfur in Liquefied Propane (LPG). iis24S04S 7 August 2024 16 October 2024
 
PETROLEUM PRODUCT PROFICIENCY TESTS
 
BITUMEN
Proficiency Testing Scheme Provisional Scope *) ID of PT Final registration date Sample dispatch date
Bitumen Tests from the Paving Grade EN12591 profile. iis24F02 25 October 2024 6 November 2024
 
PETROLEUM PRODUCTS
Proficiency Testing Scheme Provisional Scope *) ID of PT Final registration date Sample dispatch date
Crude Oil Total Acid Number, API gravity, BS&W, Density, Kinematic Viscosity at 40°C, Light Ends, Molecular Mass, Pour Point, Salt as Chloride, Sediment (Extraction method and Membrane filtration), Total Sulfur, Water, Simulated Distillation. iis24R01 27 September 2024 9 October 2024
Crude Oil Mercury A separate sample for Total Mercury only. iis24R01Hg 27 September 2024 9 October 2024
Gascondensate Color Saybolt, Density, Distillation, Methanol, Total Mercury, Total Sulfur, Water. iis24R02 27 September 2024 9 October 2024
Crude Oil Assay Composition D2892 and D5236, Density, Sulfur, Nitrogen on all fractions and Water on original material only. On light and heavy Naphtha fraction: PIONA/PONA and Simulated Distillation. n.a. Will be organized in 2025
Naphtha The regular sample (iis24N01) is available for: Organic Chlorides, Color Saybolt, Copper Corrosion, Density, Distillation, Mercaptan Sulfur and Sulfur.

Separate samples can be ordered for:
- Mercury (iis24N01Hg)
- Arsenic and Lead (iis24N01AsPb)
- DVPE (iis24N01DVPE)
iis24N01 1 March 2024 13 March 2024
iis24N01Hg 1 March 2024 13 March 2024
iis24N01AsPb 1 March 2024 13 March 2024
iis24N01DVPE 1 March 2024 13 March 2024
Naphtha P(IO)NA A separate PT for Oxygenates, PIONA, PNA, DHA analyzes. iis24N02 1 March 2024 13 March 2024
 
*) To see the actual scopes of all previous PTs, you may be interested to download the available PT reports from our webpage 'News and Reports'.

 
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