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Relevant bibliographies by topics / Formate de sodium

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Journal articles

Academic literature on the topic 'Formate de sodium'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Formate de sodium"

1

Alcock, Nathaniel W., Michael P. Wilson, and P. Mark Rodger. "Caesium sodium bis(formate)." Acta Crystallographica Section E Structure Reports Online 62, no. 2 (2006): m388—m390. http://dx.doi.org/10.1107/s1600536806003047.

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2

Gage, Samuel, Prashant Sharan, Craig Turchi, and Judy Netter. "Evaluation of Formate Salt PCM’s for Latent Heat Thermal Energy Storage." Energies 14, no. 3 (2021): 765. http://dx.doi.org/10.3390/en14030765.

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This work examines formate salts as potential phase change materials (PCMs) for middle-high temperature (≤250 °C) latent heat thermal energy storage applications. The thermophysical properties of three formate salts were characterized: pure sodium formate and binary blends of sodium/potassium formate and sodium/calcium formate. The stability of formate PCM’s was evaluated by thermal cycling using differential scanning calorimetry where sodium formate and sodium/potassium formate appeared stable over 600 cycles, while sodium/calcium formate exhibited a monotonic decrease in heat of fusion over the test period. A longer test with sodium formate led to gas release and decomposition of the salt. FTIR analysis of the PCM showed degradation of formate to oxalate. T-history experiments with 50-g PCM quantities demonstrated a bulk supercooling of only 2–3 °C for these salts. Thermal conductivity enhancement of over 700% was achieved by embedding aluminum in the solid PCM. Finally, mild carbon steel was immersed in molten sodium formate for up to 2000 h. Sodium formate was found to be non-corrosive, as calculated by mass loss and confirmed by cross-sectional high-resolution microscopy. FTIR analysis of the PCM after 2000 h shows oxidation at the free surface, while the bulk PCM remained unchanged, further indicating a need to protect the formate from atmospheric exposure when used as a PCM.

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3

Hu, Liang, and Adeyinka A. Adeyiga. "Extraction of Formic Acid from Sodium Formate." Industrial & Engineering Chemistry Research 36, no. 6 (1997): 2375–79. http://dx.doi.org/10.1021/ie9605443.

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4

Kameda, Yasuo, Takahiro Mori, Takashi Nishiyama, Takeshi Usuki, and Osamu Uemura. "Structure of Concentrated Aqueous Sodium Formate Solutions." Bulletin of the Chemical Society of Japan 69, no. 6 (1996): 1495–504. http://dx.doi.org/10.1246/bcsj.69.1495.

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5

Parnes, Howard, and Emma Shelton. "One pot synthesis of sodium 14C-formate." Journal of Labelled Compounds and Radiopharmaceuticals 23, no. 6 (1986): 677–80. http://dx.doi.org/10.1002/jlcr.2580230613.

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6

Müller, Kerstin, Klaus-Jürgen Range, and Anton M. Heyns. "Alkalimetallformiate, V Die Kristallstruktur von Natriumformiat-Dihydrat, NaHCO2·2H2O [1] Alkali Metal Formates, V The Crystal Structure of Sodium Formate Dihydrate, NaHCO2·2H2O [1]." Zeitschrift für Naturforschung B 49, no. 9 (1994): 1179–82. http://dx.doi.org/10.1515/znb-1994-0905.

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Single crystals of sodium formate dihydrate, NaHCO2·2H2O, have been prepared from aqueous solutions of sodium formate, NaHCO2, via the trihydrate, NaHCO2-3H2O. They are orthorhombic, space group Cmca, with a = 7.070(4), b = 14.534(2), c = 8.706(2) Å and Z = 8. The structure, including the hydrogen atoms, was refined to R = 0.054, Rw = 0.065 for 479 unique reflections with I > 3 σ (I). It comprises buckled layers formed by NaO6 octahedra which are edge- and corner-sharing. The octahedral coordination of the sodium ions is achieved by two oxygen atoms from two different end-on bonded formate ions and four water oxygen atoms. The O···H distances show clearly that strong hydrogen bonds are not involved in the bonding system

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7

Johnson, Wilbur, Bart Heldreth, Wilma F. Bergfeld, et al. "Safety Assessment of Formic Acid and Sodium Formate as Used in Cosmetics." International Journal of Toxicology 35, no. 2_suppl (2016): 41S—54S. http://dx.doi.org/10.1177/1091581816677716.

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Formic acid functions as a fragrance ingredient, preservative, and pH adjuster in cosmetic products, whereas sodium formate functions as a preservative. Because of its acidic properties, formic acid is a dermal and ocular irritant. However, when used as a pH adjuster in cosmetic formulations, formic acid will be neutralized to yield formate salts, for example, sodium formate, thus minimizing safety concerns. Formic acid and sodium formate have been used at concentrations up to 0.2% and 0.34%, respectively, with hair care products accounting for the highest use concentrations of both ingredients. The low use concentrations of these ingredients in leave-on products and uses in rinse-off products minimize concerns relating to skin/ocular irritation or respiratory irritation potential. The Cosmetic Ingredient Review Expert Panel concluded that formic acid and sodium formate are safe in the present practices of use and concentration in cosmetics, when formulated to be nonirritating.

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8

PARTANEN, K., H. SILJANDER-RASI, and K. SUOMI. "Dietary preferences of weaned piglets offered diets containing organic acids." Agricultural and Food Science 11, no. 2 (2002): 107–19. http://dx.doi.org/10.23986/afsci.5718.

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A preference test and a performance trial were carried out to examine weaned piglets feed intake response to diets containing either lactic acid,formic acid,calcium formate,or sodium benzoate (8 g kg-1 feed).In Experiment 1, throughout a 21-d post-weaning period,30 entire litters (306 piglets) weaned at the age of 30 d were allowed to choose between two organic-acid-supplemented diets. All of the four different organic-acid-supplemented diets were tested in pairs against each other,and the six possible combinations were lactic acid +formic acid,lactic acid +calcium formate,lactic acid + sodium benzoate,formic acid +calcium formate,formic acid +sodium benzoate,and calcium for-mate +sodium benzoate.Piglets preferred diets supplemented with sodium benzoate to ones supplemented with formic acid or calcium formate.The acceptability of diets supplemented with lactic acid,formic acid,or calcium formate was similar.In Experiment 2,until the age of 58 d,60 piglets from 10 litters weaned at the age of 28 or 38 d were fed non-acidified diets or ones supplemented with lactic acid,formic acid,calcium formate,or sodium benzoate.Feed consumption did not differ between piglets fed non-acidified and those fed organic-acid-supplemented diets. Growth performance was reduced by dietary calcium formate supplementation, while the performance of piglets fed other organic-acid-supplemented diets did not differ significantly from those fed the non-acidified control diet.The frequency of post-weaning diarrhoea was highest in piglets fed diets supplemented with calcium formate and lowest in piglets fed diets supplemented with formic acid.;

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9

SHAH, B. G., G. S. TRIVEDI, P. RAY, and S. K. ADHIKARY. "Separation of Sodium Formate and Pentaerythritol by Electrodialysis." Separation Science and Technology 34, no. 16 (1999): 3243–53. http://dx.doi.org/10.1081/ss-100100833.

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10

Seliger, J., A. Zidanšek, V. Žagar, R. Blinc, and F. Milia. "17O and23Na nuclear quadrupole double resonance of sodium formate and sodium acetate." Applied Magnetic Resonance 26, no. 3 (2004): 427–30. http://dx.doi.org/10.1007/bf03166813.

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