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73 Newest Publications about the topic calibration standardsrss
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28-May-2010 | Donald A. Chernoff and Robert Sherman, Journal of Vacuum Science & Technology B, 2010
Cleanliness of atomic force microscopy samples before imaging has always posed questions for users. The same is true for height calibration standards. In this shop note, the authors discuss using CO2 snow cleaning as a way to clean heavily contaminated standards and show its effectiveness in ...
01-May-2010 | Müller, Lars; Theile, Kathleen; Böhm, Volker, Molecular Nutrition & Food Research, 2010
A comparative study investigated four tocopherols, four tocotrienols, and [alpha]-tocopheryl acetate on their antioxidative activities in five different popular assays, which were adapted to non-polar antioxidants. [alpha]-Tocopherol, used as calibration standard, showed the highest ferric ...
15-Mar-2010 | Journal of Applied Crystallography, 2010
It is shown that diffraction gratings can be used as accurate momentum-transfer calibration standards in small-angle X-ray scattering experiments. For demonstration purposes, a silicon diffraction grating with a period of 400 nm is used. The data exhibit 50 diffraction peaks evenly distributed ...