Accurate representation of the refractivity and densit of distilled water as a function of temperature

Tilton, Leroy W.; Taylor, John Κ.

doi:10.6028/jres.018.008

Cited by 84 publications

(51 citation statements)

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“…(5,(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) It is worthwhile noting that it not only depends on the method of measurement employed but also on a number of additional factors which are difficult to control (e.g. degassing, isotope composition).…”

Section: Methodsmentioning

confidence: 99%

“…The knowledge of ( p, V m , T ) behaviour provides useful information about the ion-water and ion-ion interactions. (1)(2)(3)(4)(5)(6) The volumetric properties of water (5,(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18) and solutions of sodium chloride and potassium chloride were extensively measured and discussed, (1,3,4,6,(18)(19)(20)(21)(22)(23)(24)(25)(26) since these substances are major components of natural fluids and serve frequently as reference solutions for calibration and comparison purposes. The density-derived apparent molar volumes V 2,φ of NaCl and KCl in water as a function of molality have usually been reported at one temperature, although data at a few fixed temperatures are also available.…”

Section: Introductionmentioning

confidence: 99%

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Volumetric properties of water, and solutions of sodium chloride and potassium chloride at temperatures fromT= 277.15 K toT= 343.15 K at molalities of (0.1, 0.5, and 1.0)mol·kg−1

Apelblat

Manzurola

1999

The Journal of Chemical Thermodynamics

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Volumetric properties of water, and solutions of sodium chloride and potassium chloride at temperatures fromT= 277.15 K toT= 343.15 K at molalities of (0.1, 0.5, and 1.0)mol·kg−1

Apelblat

Manzurola

1999

The Journal of Chemical Thermodynamics

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“…About 1900 the thermal coefficient of expansion of normal (to be defined) water was measured [5,6], and in 1937 Tilton and Taylor at NBS [7] published tables of the relative densities of water as a function of temperature from a formula they constructed to fit the early data. This table expresses density in grams per milliliter where the milliliter is defined as the volume occupied by 1 g of water at 3.98 DC .…”

Section: Density Of Watermentioning

confidence: 99%

Procedure for high precision density determinations by hydrostatic weighing

Bowman¹,

Schoonover²

1967

J. RES. NATL. BUR. STAN. SECT. C. ENG. INSTR.

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The re are se ve ral s implifica tions whi ch c an be made in t he performance of the hydrostatic experime nt wh ic h le ad to more re produc ibl e res ults. Th e operation of s in gle-pan two-knife balances is di sc ussed , a nd s imp le mod ifi c at ions suggested to adapt it to h ydros tati c work _ A data philosophy is Ilrese nted wh ic h will be partic ularly a pplica bl e to a generation of now-d evelopin g forc e measuring ms trum e nts whe n used in hydros tati c work. A s im pli fi ed form ul a for a ir de nsity is prese nted a nd a formu la for es timat in g day-to-day variabi lit y in th e d e ns ity of wate r. A simpl e ba la nce ca lib ration procedure is prese nted in a n appendi x, and simpl ifi ed me th od s of fabri catin g s us pen sio n wires a nd degass in g sa mple s urfaces are d escribe d. T he use of th ese tec hniqu es is ill us trated by mea s ure me nts on s ilico n c rysla ls wh ic h indi cate process re prod uc ibilil y of a standard d e viati o'ri to a bo ut one part per mill ion.Key Word s: Air den s it y, ba la nce, bal a nce c ali bration , ba la nce e quilibrium , ba la nce se ns iti vi ty, de ns ity , double s ubs tituti on we ighin g, hydrostatic ba la nce, hydros tati c we ighin g, s ilicon d e ns ity , s ub s titution ba lance , volum e tri c meas ure me nt , water de ns it y, wate r we ig hin g.

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“…The completed picnometers had volumes of about 22 cm 3 and were calibrated by weighing when empty and when filled with double-distilled water [14] at temperatures near 27° and 30° C. The values for the density of water were calculated from an equation derived by Tilton and Taylor [7] to represent the data of Chappuis [8]. Weighings were made to 0.1 mg or better on an Ainsworth semimicrobalance, using newly calibrated weights.…”

Section: Apparatus and Methodsmentioning

confidence: 99%

“…M. M ears of t he Engine Fuels Section of t he Bureau, 7 By G. T . Fw-ukawa of the Thermodynamics Section of the Bureau.…”

Section: Apparatus and Methodsmentioning

confidence: 99%

Apparent specific volume of polystyrene in benzene, toluene, ethylbenzene, and 2-butanone

Griffel¹,

Jessup²,

Cogliano³

et al. 1954

J. RES. NATL. BUR. STAN.

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:\1ea surem ent s have been made a t t emperat ures n ear 27° and 30° C of t he d en sities of pu rifi ed ben zene, to luene, ethylbenzene, a nd 2-but ano ne (m et hy lethylketone) , a nd of sol utions of a purifi ed sample of p oly sty r ene in t hese solven ts. ' Wi t hi n t he precision of t he meas urem ents (abo u t 1 or 2 in 10 5 density ) t h e appa ren t s pecifi c volume of th e p olystyr ene is a constan t indep end ent of t he concen t rat ion in a nyo ne solvent, bu t d epe nds to so me exten t upo n t he solven t . The lowes t values, which wer e obtained wi t h 2-bu ta none, a l'e a bo ut 1 p er cent lower t han t he hi ghest val ues, \ V hi ch were obt ained wit h ethyl be nzene . The va lu es ar e a ll lower t han t hose of th e vir t ua l liquid p olym er , ob tained by extrapolation of data on specifi c volume above t he glass t ra nsi t io n temperat ure, altho ugh t h e data of o t her obser vers indi ca te t hat t hi s is n ot t ru e fo r all solvents. I n a ll fo ur solven t s t he cha nge of t he appa ren t sp ecifi c vol ume wi t h temp erat ure is less t han fo r t he liq uid p olym er.The changes in vol ume upon mi xin g of polystyr ene wi t h t he solven ts ar e sh ow n to have a sig nifi cant cffect on s uch t hen nod. v na mi c proper t ics as heat, Free energy , a nd cnt ropy of mi x in g .

show abstract

Accurate representation of the refractivity and densit of distilled water as a function of temperature

Cited by 84 publications

References 0 publications

Volumetric properties of water, and solutions of sodium chloride and potassium chloride at temperatures fromT= 277.15 K toT= 343.15 K at molalities of (0.1, 0.5, and 1.0)mol·kg−1

Volumetric properties of water, and solutions of sodium chloride and potassium chloride at temperatures fromT= 277.15 K toT= 343.15 K at molalities of (0.1, 0.5, and 1.0)mol·kg−1

Procedure for high precision density determinations by hydrostatic weighing

Apparent specific volume of polystyrene in benzene, toluene, ethylbenzene, and 2-butanone

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