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Standard Reference Materials: Comparison of Original and Supplemental Srm 705, Narrow Molecular Weight Distribution Polystyrene (Classic Reprint) - Brossura
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Excerpt from Standard Reference Materials: Comparison of Original and Supplemental Srm 705, Narrow Molecular Weight Distribution Polystyrene
Early in 1963 the National Bureau of Standards issued its first polymer Standard Reference Material, sbm 705 [l], a narrow molecular weight distribution polystyrene. Recently the original supply of one of these, srm 705, became very low, but additional material, which had previously been sent to the Bureau by Dow Chemical Company, was available. According to the letter by Dr. H. W. Mccormick of Dow Chemical Company, Midland, Michigan, dated September 7, 1966, to Dr. Emanuel Horowitz, this additional supply is the same as the original. Because this is a certified material, however, it was nec essary to compare the original and the new material to make certain that the two are indistinguishable as far as the properties listed on the certificate are concerned. About 4900 grams of this second sample are available and will be referred to as srm 7osa in this report only.
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Standard Reference Materials: Comparison of Original and Supplemental Srm 705, Narrow Molecular Weight Distribution Polystyrene (Classic Reprint)
Da: PBShop.store US, Wood Dale, IL, U.S.A.
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PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780260556035
Quantità: 15 disponibili
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Standard Reference Materials: Comparison of Original and Supplemental Srm 705, Narrow Molecular Weight Distribution Polystyrene (Classic Reprint)
Da: PBShop.store UK, Fairford, GLOS, Regno Unito
Valutazione del venditore 5 su 5 stelle
PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000. Codice articolo LW-9780260556035
Quantità: 15 disponibili
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Standard Reference Materials: Comparison of Original and Supplemental Srm 705
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Paperback. Condizione: New. Print on Demand. This book is the first installment in a series of papers describing the preparation, measurement, and certification of National Bureau of Standards Standard Reference Materials (SRMs). SRMs are well-characterized materials that calibrate a measurement system to ensure compatibility of measurement across a nation. This book focuses on the comparison of original and supplemental Standard Reference Material 705, a narrow molecular weight distribution polystyrene, that serves as a primary standard in many diverse scientific, industrial, and technological fields. The author provides in-depth detail of the measurements made by the National Bureau of Standards to arrive at the certified values of the Standard Reference Material. The methods described within will be of particular interest to scientists and technologists, as they enable the user to assess the validity and accuracy of the measurement process, judge the statistical analysis, and learn the techniques and methods used for work requiring the utmost care and accuracy. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Codice articolo 9780260556035_0
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