Refractometric method
Web1 Scope This International Standard specifies a refractometric method for the determination of the soluble solids in fruit and vegetable products. This method is particularly applicable to thick products, to products containing suspended matter, and to products rich in sugar. WebISO 2173:2003 specifies a refractometric method for the determination of the soluble solids in fruit and vegetable products. This method is particularly applicable to thick products, to products containing suspended matter, and to products rich in sugar. If the products contain other dissolved substances, the results will be only approximate ...
Refractometric method
Did you know?
There are four main types of refractometers: traditional handheld refractometers, digital handheld refractometers, laboratory or Abbe refractometers (named for the instrument's inventor and based on Ernst Abbe's original design of the 'critical angle') and inline process refractometers. There is also the Rayleigh Refractometer used (typically) for measuring the refractive indices of gases. In laboratory medicine, a refractometer is used to measure the total plasma protein in a blood sa… WebJan 1, 2014 · Refractometric total protein concentrations were estimated with 3 clinical refractometers. A biochemical analyzer was used to measure biuret assay-based total protein and bilirubin concentrations...
WebThe refractometric method for routine screening of total protein (TP) concen-trations in mammalian serum or plasma is sufficiently reliable for clinical appli-cation (Schalm et al., 1975; Sutton, 1976). There is a small difference between WebFor the refractometric method of determining glu cose concentration in a solution using a PCW, glucose solutions in physiological solution with concentra tions from 1 to 40% were used. We obtained ...
Refractometry is the analytical method of measuring substances' refractive index (one of their fundamental physical properties) in order to, for example, assess their composition or purity. A refractometer is the instrument used to measure refractive index ("RI"). Although refractometers are best known for … See more There are four main types of fluid refractometers: traditional handheld refractometers, digital handheld refractometers, Abbe refractometers, and inline process refractometers. See more Colin E. Webb, Julian D. C. Jones (2004). Handbook of Laser Technology and Applications. Taylor & Francis. pp. 1738–1740. ISBN 0-7503-0966-0. See more • Refractometry - Gemstone Buzz methods for measuring refractive index. See more WebA refractometer is a laboratory or field device for the measurement of an index of refraction ( refractometry ). The index of refraction is calculated from the observed refraction angle using Snell's law. For mixtures, the index of refraction then allows to determine the concentration using mixing rules such as the Gladstone–Dale relation and ...
WebFeb 3, 2024 · One of the physics-chemical and in particular optical methods is the refractometric method, which is based on determining the concentrations of the …
WebMay 1, 1977 · One method for measuring fibrinogen depends upon the refractometric measurement of protein before and after the heat precipitation of fibrinogen (Kaneko and Smith 1967). The method is simple and quick to perform and can easily be incorporated into a routine haematological examination. black crackle nail polishWebJan 24, 2024 · A: The refractometric method is a technique used in chemistry to measure the concentration of a solution. It involves measuring the index of refraction of a liquid or solid with a prism, and then calculating the concentration from that measurement. How do you use a digital refractometer? black crack utahWebNov 18, 2003 · ISO 2173:2003 specifies a refractometric method for the determination of the soluble solids in fruit and vegetable products. This method is particularly applicable to … blackcraftWebJun 18, 2002 · Refractometry as a method is reliable to determine blood total protein concentrations in the American lobster. Consequently, a refractometric method can be … black crackle paint furnitureWebAug 17, 2016 · Objectives: Refractometric methods to measure total protein (TP) in serum and plasma specimens have been replaced by automated biuret methods in virtually all … blackcraft backpackWebA refractometric method, coupled with molecular dynamics study, attenuated total reflection Fourier transform infrared (ATR FT-IR), and Raman spectroscopy, was used to determine optical characteristics of concentration features of aqueous solutions of acetic acid. Measurements of the refractive index of aqueous solutions of acetic acid in the ... galway information centreWebThe wet chemical synthesis method provides a convenient route to produce desired nanostructures with good control over the morphology of nanoparticles. ... particularly in the context of localized surface plasmon resonance-based refractometric sensing. Original language: English: Article number: 050801: Journal: Journal of Vacuum Science and ... black craft bags with handles