RU2018102633A - METHOD FOR DETERMINING THE VISCOSITY COEFFICIENT OF A SUBSTANCE OF SMALL VOLUME AND A DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR DETERMINING THE VISCOSITY COEFFICIENT OF A SUBSTANCE OF SMALL VOLUME AND A DEVICE FOR ITS IMPLEMENTATION Download PDF

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RU2018102633A
RU2018102633A RU2018102633A RU2018102633A RU2018102633A RU 2018102633 A RU2018102633 A RU 2018102633A RU 2018102633 A RU2018102633 A RU 2018102633A RU 2018102633 A RU2018102633 A RU 2018102633A RU 2018102633 A RU2018102633 A RU 2018102633A
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substance
viscosity
test
litmus paper
ion
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RU2018102633A
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RU2700714C2 (en
RU2018102633A3 (en
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Валентина Ивановна Бухтоярова
Кирилл Сергеевич Шахматов
Елена Владимировна Громакина
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Федеральное государственное бюджетное образовательное учреждение высшего образования "Кемеровский государственный медицинский университет" Министерства здравоохранения Российской Федерации
Валентина Ивановна Бухтоярова
Кирилл Сергеевич Шахматов
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
    • G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/487—Physical analysis of biological material of liquid biological material

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  • Health & Medical Sciences (AREA)
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  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
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  • Analytical Chemistry (AREA)
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  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Food Science & Technology (AREA)
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  • Investigating Or Analysing Biological Materials (AREA)
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Claims (7)

1. Способ определения коэффициента вязкости вещества малого объема при помощи электрофореза, включающий подготовку исследуемой и эталонной жидкостей, погружение лакмусовой бумаги в вещество, размещение электродов, отличающийся тем, что лакмусовую бумагу заправляют под шайбы клемм, к которым прикручены электроды, по центру лакмусовой бумаги помещают нить, смоченную гидроксидом натрия, задают напряжение в электрической цепи постоянного тока не более 80 В, и подключают электрический ток, исследование проводят сначала с эталонной жидкостью, затем с исследуемой жидкостью, по изменению цвета лакмусовой бумаги определяется расстояние, пройденное ионом OH-, фиксируется время, затем вязкость исследуемого вещества определяется с использованием соотношения1. A method for determining the viscosity coefficient of a small-volume substance using electrophoresis, including the preparation of test and reference liquids, immersion of litmus paper in a substance, placement of electrodes, characterized in that the litmus paper is filled under the washers of the terminals to which the electrodes are screwed, placed in the center of the litmus paper the thread moistened with sodium hydroxide, set the voltage in the electric circuit of direct current not more than 80 V, and connect the electric current, the study is carried out first with a reference liquid , Then the test liquid, to change the color of litmus paper to determine the distance traveled by the ion, OH -, fixed time, then the viscosity of the test substance is determined using the relationship
Figure 00000001
Figure 00000001
 где η1 - коэффициент вязкости исследуемого вещества;where η 1 is the viscosity coefficient of the test substance; η2 - коэффициент вязкости вещества с известной вязкостью (эталонная жидкость);η 2 is the viscosity coefficient of a substance with a known viscosity (reference fluid); x1 - расстояние на лакмусовой бумажке, пройденное ионом OH- в исследуемом веществе (длина окрашенного следа, оставленного ионом); 1 x - distance to litmus paper traveled ion OH - in the test substance (colored trace length, left ion); x2 - расстояние на лакмусовой бумажке, пройденное ионом ОН- в вещества с известной вязкостью (эталонная жидкость).x 2 is the distance on the litmus test traveled by OH ion - in a substance with a known viscosity (reference liquid). 2. Прибор для определения вязкости вещества малого объема при помощи электрофореза, включающий источник тока, вольтметра, два электрода, подложку, отличающийся тем, что на подложке, выполненной из вещества с удельным электрическим сопротивлением ρ>108, расположена лакмусовая бумага, по центру которой размещается нить, смоченная в растворе гидроксида натрия (NaOH).2. A device for determining the viscosity of a small-volume substance using electrophoresis, including a current source, a voltmeter, two electrodes, a substrate, characterized in that on a substrate made of a substance with a specific electrical resistance ρ> 10 8 , litmus paper is located in the center of which a thread soaked in a solution of sodium hydroxide (NaOH) is placed.
RU2018102633A 2018-01-23 2018-01-23 Method of determining viscosity coefficient of small-volume substance and device for implementation thereof RU2700714C2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114544432A (en) * 2022-02-25 2022-05-27 安徽农业大学 Liquid viscosity coefficient measuring device

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JPH02291942A (en) * 1989-05-01 1990-12-03 Agency Of Ind Science & Technol Viscosity-coefficient measuring apparatus
FR2664981B1 (en) * 1990-07-20 1994-04-29 Serbio DEVICE FOR DETECTING THE CHANGE IN VISCOSITY OF A LIQUID ELECTROLYTE BY THE EFFECT OF DEPOLARIZATION.
RU2337347C2 (en) * 2006-10-09 2008-10-27 Государственное образовательное учреждение высшего профессионального образования "Алтайский государственный медицинский университет Федерального агентства по здравоохранению и социальному развитию" (ГОУ ВПО АГМУ Росздрава) Method of determination of relative kinematic viscosity of biological liquid
JP2009174930A (en) * 2008-01-23 2009-08-06 Seiko Eg & G Co Ltd Viscosity measuring device and viscosity measurement method
RU2512022C2 (en) * 2011-08-16 2014-04-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Иркутский государственный университет путей сообщения (ФГБОУ ВПО ИрГУПС) Device for magnetic field attenuation in electrical traction drive with increased energy datum
RU2510010C1 (en) * 2012-11-13 2014-03-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный университет приборостроения и информатики" Method to measure anisotropic coefficients of viscosity of liquid crystals and device for its realisation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114544432A (en) * 2022-02-25 2022-05-27 安徽农业大学 Liquid viscosity coefficient measuring device

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