Internet:   Proficiency testing schemes
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Proficiency testing scheme Provisional Scope * ID of PT
Acetone Tests from the ASTM D329 profile and other tests. iis19C11
AdBlue (32% Urea solution) Tests from the ISO22241-1 profile. iis20G05
Benzene Tests from the ASTM D2359 profile and other tests. iis20C03
Caustic Soda Alkalinity, Density, Iron, Sodium Chlorate, Sodium Chloride and Sodium Sulfate (a high and low salt sample will be sent). iis20C07
Cyclohexane Acid wash color, Appearance, Color Pt/Co, Density, Distillation, Freezing Point, Purity, Benzene, n-Hexane, Methylcyclohexane, Methylcyclopentane, Refractive Index, Sulfur, UV Absorbance iis20C05
Ethanol (Bio / Fuel grade) Acidity, Appearance, Copper, Density, Electrical Conductivity, Inorganic Chloride, Nonvolatile matter, Nitrogen, pHe, Phosphorus, Sulfate, Sulfur, Water, Purity and Impurities iis19C16
Ethanol (Food / Neutral grade) Density, Nonvolatile Matter, Permanganate Time Test, pHe, Strength (%V/V and %M/M), Water, UV absorbance, Purity and Impurities. iis19C17
Isopropanol Acidity, Inorganic Chloride, Appearance, Color Pt/Co, Density, Distillation, Nonvolatile Matter, Water, Purity and Impurities. iis19C18
Methanol The main sample (iis19C10 or iis20C06) is for tests from the IMPCA profile and other tests. A separate sample is available for UV absorbance (iis19C05UV or iis20C06UV). iis19C10, iis19C10UV
iis20C06, iis20C06UV
Methylmetacrylate (MMA) Acidity, Appearance, Color Pt/Co, Density, Inhibitor, Water, Purity and Impurities. iis20C02
Mono Ethylene glycol (MEG polyester grade) Test from the ASTM E202 profile and other tests. Acidity, Aldehydes, Inorganic Chloride, Appearance, Ash, Color Pt/Co, Distillation, Density, Purity, DEG, Iron, Water and UV Transmittance. iis19C14
Mono Propylene glycol (MPG) Acidity, Inorganic Chloride, Appearance, Color Pt/Co, Distillation, Density, Purity, DPG, Iron, Specific Gravity and Water. iis19C15
Styrene Tests from the ASTM D2827 profile and other tests. iis19C12
Toluene Tests from the ASTM D841 profile and other tests. iis20C04
Vinylacetate monomer (VAM) Tests from the ASTM D2190 profile and other tests. iis20C01
Xylenes (mixed-) Benzene, Toluene, Ethylbenzene, p-/o-/m-Xylene, Cumene and sum C9+Aromatics and nonaromatics. iis19C13
Xylene (Ortho- / Para-) Tests from the ASTM D5136 and D5471 profile and other tests. iis20C09

* To see the actual scopes of all previous PT's, you may be interested to download the available PT reports from our webpage 'News and Reports'.

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