ASTM U 09 : 2013
Current
The latest, up-to-date edition.
Precision Statements in UOP Methods
01-12-2013
Defines methods for developing precision statements as reported in UOP methods and relative bias of the same method between different laboratories.
DocumentType |
Standard
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PublisherName |
American Society for Testing and Materials
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Status |
Current
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This method is for developing precision statements as reported in UOP methods and relative bias of the same method between different laboratories. The calculation of precision, in terms of repeatability and intermediate precision (within a laboratory), reproducibility (between laboratories) and relative bias (between laboratories) is described. Precision statements in methods having a 98 or later suffix were developed by the procedure described; methods having an 88 through 97 suffix used UOP 888-88, while methods with suffixes earlier than 88 used UOP 666-82.
The features of UOP 999 are as follows:
Minimum of 16 analyses required with emphasis on multiple concentration levelsBetter identification of the components of variation and repeatability estimates
Alignment with ASTM repeatability, intermediate precision, and reproducibility definitions
Relative bias between laboratories with 95% confidence interval
UOP 999 is the minimum guideline for estimating the initial precision for new or revised methods. Once a new or revised method is in use, a reference sample, if available, should be run on a regular basis. When 16 analyses have been completed, individual and range control charts are to be used to estimate the long-term UOP repeatability and are to be maintained on an ongoing basis. The example calculations in UOP 999 are made using Minitabâ, a statistical software package. The details of the calculations are in UOP 999-97 Supplement.
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ASTM UOP 778 : 2007 | Packed Apparent Bulk Density (ABD) of Extruded Catalyst |
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ASTM UOP 588 : 2012 | Total, Inorganic, and Organic Chloride in Hydrocarbons |
ASTM UOP 979 : 2014 | Total Chloride in Alumina Supported Catalysts by WD-XRF |
ASTM UOP303 : 2007 | Impurities in Catalysts by ICP-OES |
ASTM UOP936 : 2016 | Combined Nitrogen in LPG by Chemiluminescence |
ASTM UOP 924 : 2000 | Nickel, Tungsten, Sodium and Aluminum in Hydrocracking Catalysts by ICP-AES |
ASTM UOP 925 : 1992 | Nickel, Molybdenum, Phosphorus, Cobalt and Aluminum in Fresh Catalysts by ICP-AES |
ASTM UOP 495 : 2003 | Aromatics in Molex Process n-Paraffin Products by Ultraviolet Spectrophotometry |
ASTM UOP 699 : 2009 | Sodium in Liquefied Petroleum Gas by ICP-OES or AAS |
ASTM U 015 : 2017 | Determination of Trace Oxygenates in Polymer Grade Ethylene & Propylene by Gas Chromatography Mass Spectrometry |
ASTM UOP 899 : 2004 | Trace Hydrocarbons in Hydrogen, Hydrocarbon Gases or LPG by GC |
ASTM UOP 714 : 2007 | Metals in Miscellaneous Samples by ICP-OES |
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ASTM UOP 294 : 2014 | Apparent Bulk Density of Catalyst Particles |
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ASTM UOP 212 : 2005 | Hydrogen Sulfide, Mercaptan Sulfur, and Carbonyl Sulfide in Hydrocarbon Gases by Potentiometric Titration |
ASTM UOP 796 : 2009 | Silicon in Petroleum Liquids by ICP-OES |
ASTM UOP 801 : 2014 | Size Distribution of Charcoal Particles |
ASTM UOP 549 : 2009 | Sodium in Petroleum Distillates by ICP-OES or AAS |
ASTM U 05 : 2013 | Trace Impurities in High Purity Ethyl Benzene by GC |
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ASTM UOP 991 : 2017 | Trace Chloride, Fluoride, and Bromide in Liquid Organics by Combustion Ion Chromatography (CIC) |
ASTM UOP 992 : 2011 | Trace Arsenic in Liquid Organics and Heavy Petroleum Fractions by ICP-MS |
ASTM UOP 856 : 2007 | Particle Size Distribution of Powders by Laser Light Scattering |
ASTM U 009 : 2015 | Total Mercury in Solids |
ASTM UOP 163 : 2010 | Hydrogen Sulfide and Mercaptan Sulfur in Liquid Hydrocarbons by Potentiometric Titration |
ASTM U 006 : 2014 | Trace Silicon in Petroleum Liquids by ICP-MS |
ASTM UOP 954 : 2011 | Loss on Ignition (LOI) for Fresh, Regenerated, Used, and Spent Catalysts, Catalyst Supports, and Adsorbents |
ASTM UOP 209 : 2000 | Alkalinity, Sulfide and Mercaptide Analyses of Used Refinery Caustic Solutions |
ASTM UOP 311 : 2002 | Hydrocarbon Types by Fluorescent Indicator Adsorption (FIA) |
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ASTM UOP 326 : 2017 | Diene Value by Maleic Anhydride Addition Reaction |
ASTM UOP 702 : 2009 | Impurities in Distilled High Purity Cumene by GC |
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ASTM UOP 543 : 2011 | Trace Non-Aromatic Hydrocarbons in High-Purity Aromatics by GC |
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ASTM U 00 : 2006 | Trace Oxygenated Hydrocarbons in Liquid Hydrocarbon Streams by GC |
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ASTM UOP 464 : 2000 | Phenol in Light Aromatic Hydrocarbons and Cyclohexane by Spectrophotometry |
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ASTM UOP 407 : 2009 | Trace Metals in Organics by Dry Ashing - ICP-OES |
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ASTM U 013 : 2016 | Total Chloride in Liquid Hydrocarbons by Wavelength Dispersive X-Ray Fluorescence |
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ASTM E 177 : 2014 : REDLINE | Standard Practice for Use of the Terms Precision and Bias in ASTM Test Methods |
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