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The document presents a research paper detailing an accurate ebullioscopic method for determining the molecular weights of nonvolatile petroleum fractions. The study, conducted by J. Mair Beveridge, utilizes a modified Cottrell boiling-point apparatus combined with a differential thermo element to measure boiling-point elevation precisely. It emphasizes the importance of accurate molecular weight determination in chemical investigations of lubricating oils and discusses the advantages of the ebullioscopic method over traditional cryoscopic methods. The findings indicate that molecular weights can be accurately calculated by extrapolating data to infinite dilution, achieving results within 1% of theoretical values.

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What does the National Bureau of Standards do?

In 1901, in response to a bill proposed by Congressman James H. Southard (R, Ohio), the Bureau of Standards was founded with the mandate to provide standard weights and measures, and to serve as the national physical laboratory for the United States.

What is the National Bureau of standardization?

Bureau of Indian Standards (BIS) is the National Standard Body of India. BIS is responsible for the harmonious development of the activities of standardization, marking and quality certification of goods and for matters connected therewith or incidental thereto.

What is NIST and its purpose?

NIST is the National Institute of Standards and Technology at the U.S. Department of Commerce. The NIST Cybersecurity Framework helps businesses of all sizes better understand, manage, and reduce their cybersecurity risk and protect their networks and data.

What is a bureau of standards?

The National Bureau of Standards (NBS) was founded by Congress on March 3, 1901 as an authoritative domestic measurement and standards laboratory, and was the first physical science research laboratory of the federal government.

Does NIST still exist?

noun. U.S. Government. the federal agency that establishes the standards for units used in measuring the physical properties of substances. NBS, N.B.S.

What is the National Bureau of Standards?

872), that created the National Bureau of Standards (NBS) in 1901. In 1988, Congress renamed NBS as NIST and expanded its activities and responsibilities. NIST is a nonregulatory Federal agency within the Commerce Department.

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