منابع مشابه
National Institute of Standards & Technology
This Standard Reference Material (SRM) is a primary transfer standard certified using a national reference spectrophotometer at NIST [1-3]. SRM 2930 is complementary to SRM 930e and SRM 1930, providing levels of transmittance/absorbance that extend the range covered by those SRMs. It is intended for use in the verification of the transmittance and absorbance scales of spectrophotometers in the ...
متن کاملNational Institute of Standards & Technology
This Standard Reference Material (SRM) 2366 is intended primarily for use in the value assignment of the number of amplifiable genome copies of cytomegalovirus (CMV) per volume, such as copies per microliter. This material is to be used to provide traceability of calibration materials used in quantitative measurements of viral load in tissues or fluids such as plasma. The DNA consists of a bact...
متن کاملNational Institute of Standards & Technology
This Standard Reference Material (SRM) is intended primarily for use in the development and validation of analytical methods for the determination of cholesterol, fat-soluble vitamins, fat, and fatty acids in a lipid matrix. SRM 1563 consists of ten ampoules per unit: five ampoules of natural coconut oil (1563-1) and five ampoules of fortified coconut oil (1563-2). Each ampoule contains approxi...
متن کاملNational Institute of Standards & Technology
This Standard Reference Material (SRM) is a frozen fish tissue homogenate that was prepared from fish collected from Lake Michigan, and is intended primarily for use in evaluating analytical methods for the determination of selected trace elements, methylmercury, total mercury, polychlorinated biphenyl (PCB) congeners, chlorinated pesticides, polybrominated diphenyl ether (PBDE) congeners, perf...
متن کاملNational Institute of Standards & Technology
This Standard Reference Material (SRM) is intended for the verification and calibration of spectrophotometers used to measure the concentration of Solvent Red dyes employed as colorants to mark “off-road” diesel fuel. SRM 2037 is certified for the purity of the Solvent Red 24 Dye (C24H20N4O, molecular mass 380.45) and for the secondderivative-based molecular absorption coefficients (extinction ...
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ژورنال
عنوان ژورنال: Proceedings of the Indian National Science Academy
سال: 2020
ISSN: 0370-0046
DOI: 10.16943/ptinsa/2020/49832