Fluorine molar mass

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Understanding the Molar Mass of Fluorine

Introduction to Fluorine Molar Mass

Fluorine, a highly reactive halogen, is a significant element in both industrial applications and environmental contexts. The molar mass of fluorine is a critical parameter in various chemical calculations and processes. This article synthesizes research findings to provide a clear understanding of the molar mass of fluorine.

Determining the Molar Mass of Fluorine

Historical and Recent Measurements

The molar mass of fluorine has been the subject of various studies, with slight variations reported over time. Early research by McAdam and Smith determined the molar mass of fluorine to be approximately 19.009 based on the ratio of sodium fluoride to sodium chloride 13. Similarly, Germann and Booth's work on the density of silicon fluoride suggested a value of 19.010 13. These findings indicate a consensus around a molar mass slightly above 19.00.

Discrepancies and Revisions

Despite the general agreement, some discrepancies exist. For instance, Moles and Batuecas reported a value of 19.00 based on the density of methyl fluoride, although their methodology faced criticism for potential inaccuracies . Further analysis by Van Laar, considering different critical constants for silicon tetrafluoride, proposed a slightly lower value of 18.995 15. These variations highlight the challenges in achieving precise measurements.

Consensus Value

Recent literature tends to converge on a molar mass of fluorine around 18.998. This value is supported by its widespread acceptance in chemical databases and educational resources . The slight differences in historical measurements underscore the importance of methodological rigor and the evolution of analytical techniques.

Conclusion

The molar mass of fluorine is a well-studied parameter with a generally accepted value of approximately 18.998. While historical measurements have shown slight variations, modern consensus aligns closely with this figure. Understanding these nuances is essential for accurate chemical calculations and applications involving fluorine.

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Most relevant research papers on this topic

The Atomic Weight of Fluorine.

The atomic weight of fluorine is not 19.010, as suggested by Patterson, Whytlaw-Gray, and Cawood, but rather 18.9995, based on reliable references.

1931·

2citations

·E. Moles

Nature

Health Risks of Fluoride in the Chiang Mai Basin, Thailand

Fluoride exposure in the Chiang Mai Basin, Thailand, poses health risks due to its high reactivity and potential for exposure to contaminated water sources.

2008·

11citations

·T. Takedaet al.

The Atomic Weight of Fluorine.

The atomic weight of fluorine is 19.009, and the limiting density of methyl fluoride is 19.010, supporting the value 19.00.

1931·

5citations

·H. Pattersonet al.

Nature

Closing the Mass Balance on Fluorine on Papers and Textiles.

The majority of fluorine in papers and textiles treated with PFASs remains associated with the papers and textiles, with a mass balance achieved within analytical error.

Highly Cited

2017·

126citations

·Alix E Robelet al.

Environmental science & technology

Atomic Weight of Fluorine

The atomic weight of fluorine can be determined from silicon fluoride limiting densities, but the significance of these values is minimal.

1932·

0citations

·H. Pattersonet al.

Nature

FLUORINE IN THE NORTH ATLANTIC WATERS

The fluorine content in North Atlantic waters is 1,27 0.03 mg/kg, which closely corresponds to the normal seawater content, with low variability observed across various ocean areas.

2023·

0citations

·A. Savenkoet al.

Lomonosov Geography Journal

High-Sensitivity Elemental Mass Spectrometry of Fluorine by Ionization in Plasma Afterglow.

This new elemental ionization method improves fluorine detection sensitivity by over 2 orders of magnitude, enabling accurate measurements of fluoride in pharmaceutical, environmental, and food samples.

2019·

14citations

·Joseph E. Lesniewskiet al.

Analytical chemistry

Thermodynamic properties of silicides. V. Fluorine-combustion calorimetric determination of the standard molar enthalpy of formation at the temperature 298.15 K of trimolybdenum monosilicide Mo3Si, and a critical assessment of its thermodynamic properties

Trimolybdenum monosilicide Mo3Si has a standard molar enthalpy of formation of 125.2 5.8 kJ mol1 at 298.15 K, with recommended values for standard molar enthalpy increments, heat capacities,

1996·

11citations

·I. Tomaszkiewiczet al.

The Journal of Chemical Thermodynamics

Fluorine Mass Balance, including Total Fluorine, Extractable Organic Fluorine, Oxidizable Precursors, and Target Per- and Polyfluoroalkyl Substances, in Pooled Human Serum from the Tromsø Population in 1986, 2007, and 2015

Unidentified organic fluorine (UEOF) in human serum increased from 1986 to 2007, with women having higher levels compared to men, suggesting additional tools are needed to identify these substances.

Observational Study

2023·

10citations

·Lara Cioniet al.

Environmental Science & Technology

Crystal Structure of a-Fluorine

Alpha fluorine crystal structure is similar to O2, with a slight tilt of molecules in alternate layers, and a doubling of the unit cell in the c direction compared to O2.

1968·

48citations

·L. Meyeret al.

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