CHEMICALS
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CHEMICALS |
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| Internet: www.iisnl.com | Proficiency testing schemes |
| Email: nl.iis@sgs.com | for Petroleum and Petrochemical Products: |
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| CHEMICALS PROFICIENCY TESTS | ||||
| BASIC CHEMICALS | ||||
| Proficiency Testing Scheme | Provisional Scope * | ID of PT | Final registration date | Sample dispatch date |
| Acetone | Tests from the ASTM D329 profile and other tests. | iis25C05 | 8 August 2025 | 20 August 2025 |
| Benzene | Tests from the ASTM D2359 profile and other tests. | iis25C01 | 31 January 2025 | 12 February 2025 |
| Caustic Soda | Alkalinity, Density, Iron, Sodium Chlorate, Sodium Chloride and Sodium Sulfate (a high and low salt sample will be sent). | iis25C06 | 8 August 2025 | 20 August 2025 |
| Cyclohexane | Acid Wash Color, Appearance, Color Pt/Co, Density, Distillation, Freezing Point, Purity, Benzene, n-Hexane, Methylcyclohexane, Methylcyclopentane, Refractive Index and Sulfur. | iis25C03 | 31 January 2025 | 12 February 2025 |
| Ethanol (Bio / Fuel grade) | Acidity, Appearance, Copper, Density, Electrical Conductivity, Nonvolatile matter, Nitrogen, pHe, Phosphorus, Water (Coulometric and Volumetric), Purity and impurities, Gum (solvent washed), Inorganic Chloride, Sulfate and Sulfur. | iis24C11 | 1 November 2024 | 13 November 2024 | iis25C11 | 7 November 2025 | 19 November 2025 |
| Ethanol (Food / Neutral grade) | Appearance, Density, Nonvolatile matter, Permanganate Time Test, pHe, Strength (%V/V and %M/M), Water, UV absorbance, Purity and impurities. | iis24C12 | 1 November 2024 | 13 November 2024 | iis25C12 | 7 November 2025 | 19 November 2025 |
| Isopropanol (IPA) | Acidity, Appearance, Inorganic Chloride, Color Pt/Co, Density, Distillation, Nonvolatile matter, Purity and impurities and Water. | iis25C13 | 7 November 2025 | 19 November 2025 |
| Methanol | The regular sample is for tests from the IMPCA profile and other tests. | iis24C04 | 9 August 2024 | 21 August 2024 | iis25C04 | 8 August 2025 | 20 August 2025 |
| Methanol UV | A separate sample for UV Absorbance only. | iis24C04UV | 9 August 2024 | 21 August 2024 | iis25C04UV | 8 August 2025 | 20 August 2025 |
| Mono Ethylene glycol (MEG polyester grade) | Acidity, Aldehydes, Appearance, Ash content, Inorganic Chloride, Color Pt/Co, Density, Diethylene Glycol, Distillation, Miscibility with water, Purity, Specific Gravity, Water, UV Transmittance and Iron. | iis24C10 | 6 September 2024 | 18 September 2024 | iis25C10 | 12 September 2025 | 24 September 2025 |
| Styrene | Tests from the ASTM D2827 profile and other tests. | iis24C07 | 23 August 2024 | 4 September 2024 | iis25C07 | 22 August 2025 | 3 September 2025 |
| Toluene | Tests from the ASTM D841 profile and other tests. | iis25C02 | 31 January 2025 | 12 February 2025 |
| Xylene (Ortho- / Para-) | Tests from the ASTM D5136 and D5471 profile and other tests. | iis24C09 | 23 August 2024 | 4 September 2024 |
| Xylenes (mixed-) | Benzene, Toluene, Ethylbenzene, p-/o-/m-Xylenes, iso-Propylbenzene and sum C9+Aromatics and Non-aromatics. | iis25C09 | 22 August 2025 | 3 September 2025 |
| SPECIALTY CHEMICALS | ||||
| Proficiency Testing Scheme | Provisional Scope *) | ID of PT | Final registration date | Sample dispatch date |
| Acetic Acid | Acetaldehyde, Appearance, Anorganic Chloride, Color Pt/Co, Density, Formic Acid, Freezing Point, Iron as Fe, Nonvolatile matter, Purity and Water. | iis25K02 | 3 January 2025 | 15 January 2025 |
| AdBlue (32% Urea solution) | Tests from the ISO22241-1 profile and other tests. | iis25G05 | 25 April 2025 | 7 May 2025 |
| n-Butylacrylate | Acidity, Appearance, Color Pt/Co, Density, Inhibitor, Purity and impurities and Water. | iis25K04 | 16 May 2025 | 28 May 2025 |
| Methyl metacrylate (MMA) | Acidity, Appearance, Color Pt/Co, Density, Inhibitor, Water, Purity and Impurities. | iis25K04 | 3 January 2025 | 15 January 2025 |
| Methyl- tert-Butylether (MTBE) | Appearance, Carbonyls, Density, Refractive Index, Water, Purity and impurities. | iis25K03 | 3 January 2025 | 15 January 2025 |
| Mono Propylene glycol (MPG) | Acidity, Appearance, Inorganic Chloride, Color Pt/Co, Density, Distillation, Iron, Purity, Dipropylene glycol, Specific Gravity and Water. | iis25K06 | 12 September 2025 | 24 September 2025 |
| Vinyl Acetate Monomer (VAM) | Test from the ASTM D2190 profile and other tests. | iis25K01 | 3 January 2025 | 15 January 2025 |
| * 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'. | ||||