[China Instrument Network Instrument R&D] To promote the reform of the national plush fiber quality inspection system, the Inner Mongolia Fibers Inspection Bureau has accelerated the development of professional equipment for cashmere net cashmere rate, replacing the traditional manual inspection method with instrument testing. At present, a cashmere net cashmere rate on-site rapid tester has been developed to establish a raw cashmere cashmere rate model.
On May 3, a news came from the Inner Mongolia Autonomous Region Quality and Technical Supervision Bureau that the Inner Mongolia Fiber Inspection Bureau focused on the goal of the national plush fiber quality inspection system reform and accelerated the development of internationally advanced cashmere net cashmere rate professional instrumentation equipment suitable for instrumentation evaluation. .
According to reports, cashmere net cashmere rate as an important quality index to assess the quality of cashmere, is the main technical parameters to determine its use value and price, in China's cashmere production, trading, processing, quality supervision and other aspects of the use of manual inspection method , There is a problem that the detection takes a long time, labor intensity, and lack of accuracy, can not meet the needs of the rapid assessment of cashmere production, trading. The Inner Mongolia Fiber Inspection Bureau focused on the technical difficulties of the inspection, integrated technical forces to carry out core technology research, and developed a cashmere net cash rate on-site rapid detector based on near-infrared spectroscopy technology.
Recently, on the basis of the net cashmere removal rate mathematical model, a goat cashmere net cashmere rate model has been established, which has expanded the range of sample types for instrument analysis. The bureau sent staff to Etuokeqi, Chifeng and other major cashmere producing areas in Inner Mongolia to collect representative goat raw cashmere samples with different ranges of net cashmere rate, scanned the sample spectrum, and organized inspection personnel according to GB18267 “Cashmere†standard. The net fluff rate of the sample was tested as a benchmark for quantitative analysis. In order to accurately scan the spectrum of the sample, parameters such as the number of scans of the instrument, the number of scanning spectra, the sample loading status, etc. were explored. Then, the original cashmere net cashmere rate model was established through spectrum preprocessing, data processing, and information extraction, and the effect of the model was analyzed. Verified.
In order to enhance the prediction accuracy and robustness of the mathematical model of goat cashmere net cashmere rate, and to support the notarized instrumentalization of cashmere instrumentation, the Inner Mongolia Fibers Inspection Bureau will continue to accumulate samples, improve the model database, optimize test methods and modeling algorithms, and promote instrumentation in practice. Detecting applications in the job.
The cashmere net cashmere rate represents the quality of cashmere products, which can be measured to assess the value of cashmere, easy production and trading. Traditional detection methods are inefficient and have low accuracy, and have gradually become inapplicable to current quality inspections. Therefore, rapid and efficient instrument detection methods have emerged. The birth of cashmere net cashmere rate on-site rapid detection instrument will also bring scientific and technical support for the reform of the national plush fiber quality inspection system.
(Original Title: Inner Mongolia Fiber Inspection Bureau Strengthens Cashmere Instrumentation Detection Technology Research)
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