Absorbance Corrections in Self‐adjusting, Variable Path‐length‐diameter, High‐pressure Cells

Robert H. Byrne

doi:10.1063/1.1137574

Absorbance Corrections in Self‐adjusting, Variable Path‐length‐diameter, High‐pressure Cells

Robert H. Byrne

College of Marine Science

Research output: Contribution to journal › Article › peer-review

Abstract

Optical cells which maintain both constant diameter and constant internal mass during pressurization also maintain constant molar cross section (moles/cm2). In the recent article of le Noble and Schlott, ‘‘All quartz optical cell of constant diameter for use in high pressure studies,’’ the authors erroneously assume that the diameter of their constant internal mass, syringe&hyphen;type cell is constant during pressurization [W. J. le Noble and R. Schlott, Rev. Sci. Instrum. 4 7 , 770–771 (1976)]. In contrast to the authors’ principal conclusion, cell corrections are required in using the cell of their design. The corrections required to compensate for pressure&hyphen;induced variations of molar cross section allow accurate employment of le Noble and Schlotts’ useful cell design.

Original language	American English
Journal	Review of Scientific Instruments
Volume	55
DOIs	https://doi.org/10.1063/1.1137574
State	Published - Jan 1 1984

Keywords

absorptivity
pressure dependence
optical equipment
spectrophotometry
corrections

Disciplines

Life Sciences

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10.1063/1.1137574License: CC BY

https://doi.org/10.1063/1.1137574

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title = "Absorbance Corrections in Self‐adjusting, Variable Path‐length‐diameter, High‐pressure Cells",

abstract = " Optical cells which maintain both constant diameter and constant internal mass during pressurization also maintain constant molar cross section (moles/cm2). In the recent article of le Noble and Schlott, ‘‘All quartz optical cell of constant diameter for use in high pressure studies,’’ the authors erroneously assume that the diameter of their constant internal mass, syringe&hyphen;type cell is constant during pressurization [W. J. le Noble and R. Schlott, Rev. Sci. Instrum. 4 7 , 770–771 (1976)]. In contrast to the authors’ principal conclusion, cell corrections are required in using the cell of their design. The corrections required to compensate for pressure&hyphen;induced variations of molar cross section allow accurate employment of le Noble and Schlotts’ useful cell design.",

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N2 - Optical cells which maintain both constant diameter and constant internal mass during pressurization also maintain constant molar cross section (moles/cm2). In the recent article of le Noble and Schlott, ‘‘All quartz optical cell of constant diameter for use in high pressure studies,’’ the authors erroneously assume that the diameter of their constant internal mass, syringe&hyphen;type cell is constant during pressurization [W. J. le Noble and R. Schlott, Rev. Sci. Instrum. 4 7 , 770–771 (1976)]. In contrast to the authors’ principal conclusion, cell corrections are required in using the cell of their design. The corrections required to compensate for pressure&hyphen;induced variations of molar cross section allow accurate employment of le Noble and Schlotts’ useful cell design.

AB - Optical cells which maintain both constant diameter and constant internal mass during pressurization also maintain constant molar cross section (moles/cm2). In the recent article of le Noble and Schlott, ‘‘All quartz optical cell of constant diameter for use in high pressure studies,’’ the authors erroneously assume that the diameter of their constant internal mass, syringe&hyphen;type cell is constant during pressurization [W. J. le Noble and R. Schlott, Rev. Sci. Instrum. 4 7 , 770–771 (1976)]. In contrast to the authors’ principal conclusion, cell corrections are required in using the cell of their design. The corrections required to compensate for pressure&hyphen;induced variations of molar cross section allow accurate employment of le Noble and Schlotts’ useful cell design.

KW - absorptivity

KW - pressure dependence

KW - optical equipment

KW - spectrophotometry

KW - corrections

UR - https://digitalcommons.usf.edu/msc_facpub/1603

UR - https://doi.org/10.1063/1.1137574

U2 - 10.1063/1.1137574

DO - 10.1063/1.1137574

M3 - Article

VL - 55

JO - Review of Scientific Instruments

JF - Review of Scientific Instruments

ER -

Absorbance Corrections in Self‐adjusting, Variable Path‐length‐diameter, High‐pressure Cells

Abstract

Keywords

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