Interviews
5th CSITC round trial completed
01 Apr '08
2 min read
The Fifth Round Trial conducted under the auspices of the Task Force on Commercial Standardization of Instrument Testing of Cotton (CSITC RT 2008-1), was conducted during January and February 2008. 51 testing facilities with 72 instruments participated. Participating testing centers were located in Africa, Asia, Australia, Europe, North America, and South America.
In each Round Trial, five cotton samples with known values are mailed to each participating laboratory. Each laboratory tests each sample six times each day for five days, for a total of 150 tests. Each sample is tested for the six CSITC parameters of length, length uniformity index, micronaire, strength, Rd (reflectance) and +b (yellowness).
Accordingly, 900 separate test results (150 tests of 6 parameters) from each instrument are evaluated. In the Fifth Round Trial, all five of the samples were from upland saw ginned cotton.
Laboratory results for each Round Trial are collected by USDA and forwarded to the Bremen Fibre Institute for evaluation. Laboratories are given an overall ranking, as well as rankings for performance on each of the six parameters. Rankings are based on the first four upland cotton samples with known values. The purpose of the fifth cotton sample in all CSITC Round Trials is for special study purposes and is not used for performance-ranking.
Results for each test center are confidential, but each testing facility received an evaluation of its performancein the Round Trial and a detailed diagnostic analysis of results. The purpose of the CSITC Round Trial is to facilitate improved performance, and the large number of tests performed over five days makes detailed diagnostic analysis possible.
In each Round Trial, five cotton samples with known values are mailed to each participating laboratory. Each laboratory tests each sample six times each day for five days, for a total of 150 tests. Each sample is tested for the six CSITC parameters of length, length uniformity index, micronaire, strength, Rd (reflectance) and +b (yellowness).
Accordingly, 900 separate test results (150 tests of 6 parameters) from each instrument are evaluated. In the Fifth Round Trial, all five of the samples were from upland saw ginned cotton.
Laboratory results for each Round Trial are collected by USDA and forwarded to the Bremen Fibre Institute for evaluation. Laboratories are given an overall ranking, as well as rankings for performance on each of the six parameters. Rankings are based on the first four upland cotton samples with known values. The purpose of the fifth cotton sample in all CSITC Round Trials is for special study purposes and is not used for performance-ranking.
Results for each test center are confidential, but each testing facility received an evaluation of its performancein the Round Trial and a detailed diagnostic analysis of results. The purpose of the CSITC Round Trial is to facilitate improved performance, and the large number of tests performed over five days makes detailed diagnostic analysis possible.
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