SU498540A1 - Method of measuring heat capacity of substances - Google Patents

Method of measuring heat capacity of substances

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Publication number
SU498540A1
SU498540A1 SU1989319A SU1989319A SU498540A1 SU 498540 A1 SU498540 A1 SU 498540A1 SU 1989319 A SU1989319 A SU 1989319A SU 1989319 A SU1989319 A SU 1989319A SU 498540 A1 SU498540 A1 SU 498540A1
Authority
SU
USSR - Soviet Union
Prior art keywords
heat capacity
substances
substance
measuring heat
microcalorimeter
Prior art date
Application number
SU1989319A
Other languages
Russian (ru)
Inventor
Владимир Гаврилович Карпов
Георгий Сергеевич Петров
Дмитрий Аркадьевич Тайц
Вячеслав Викторович Чернявский
Владислав Васильевич Канавцев
Original Assignee
Государственное Специальное Конструкторское Бюро Теплофизического Приборостроения
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Государственное Специальное Конструкторское Бюро Теплофизического Приборостроения filed Critical Государственное Специальное Конструкторское Бюро Теплофизического Приборостроения
Priority to SU1989319A priority Critical patent/SU498540A1/en
Application granted granted Critical
Publication of SU498540A1 publication Critical patent/SU498540A1/en

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  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Description

Добавление вещества можно прекратить тогда , когда дрейф нул  станет минимальным и по своему абсолютному значению близким к дрейфу пустого калориметра. В этом случае теплоемкость изучаемого вещества станет равной теплоемкости сравниваемого вещества, котора  известна. Уменьшать э. д. с. до минимума - это значит путем добавлени  эталонного вещества наблюдать момент, когда сигнал пройдет через минимум. Величина сигнала не играет роли, так как Количество эталонного вещества, которое соответствует точке минимума,  вл етс  эквивалентом теплоемкости измер емого вещества.The addition of a substance can be stopped when the drift of zero becomes minimal and in its absolute value close to the drift of the empty calorimeter. In this case, the heat capacity of the substance under study will become equal to the heat capacity of the substance being compared, which is known. Decrease e. d. to a minimum — this means by adding a reference substance to observe the moment when the signal passes through the minimum. The magnitude of the signal does not matter, since the Amount of reference substance that corresponds to the minimum point is equivalent to the heat capacity of the substance being measured.

Измерение теплоемкости предложенным способом может быть осуществлено в любом дифференциальном микрокалориметре с системой термоэлектрических пар (термобатарей ), в котором можно медленно изме:1 ть температуру  чеек, например, при перестройке температуры термостабилизации.Measurement of heat capacity can be carried out in any differential microcalorimeter with a system of thermoelectric pairs (thermopiles), in which you can slowly change: 1 cell temperature, for example, when temperature stabilization temperature is changed.

Claims (1)

Формула изобретени Invention Formula Способ измерени  теплоемкости веществ, заключающийс  в сравнении теплоемкости изучаемого вещества, помещенного в одну из  чеек микрокалориметра, и вещества с известной теплоемкостью, помещенного в другую  чейку микрокалориметра, и фиксации температур по показани м термоэлектрических датчиков, отличающийс  тем, что, с целью повышени  точности измерений и их ускорени , величину э.д.с. термоэлектрических датчиков уменьшают до минимума путем изменени  количества вещества в эталонной  чейке.A method for measuring the heat capacity of substances, which consists in comparing the heat capacity of a test substance placed in one of the microcalorimeter cells and a substance with a known heat capacity, placed in another cell of the microcalorimeter, and fixing temperatures as measured by thermoelectric sensors, in order to improve the measurement accuracy and their acceleration, the amount of emf. thermoelectric sensors are minimized by changing the amount of substance in the reference cell.
SU1989319A 1974-01-22 1974-01-22 Method of measuring heat capacity of substances SU498540A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1989319A SU498540A1 (en) 1974-01-22 1974-01-22 Method of measuring heat capacity of substances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1989319A SU498540A1 (en) 1974-01-22 1974-01-22 Method of measuring heat capacity of substances

Publications (1)

Publication Number Publication Date
SU498540A1 true SU498540A1 (en) 1976-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1989319A SU498540A1 (en) 1974-01-22 1974-01-22 Method of measuring heat capacity of substances

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SU (1) SU498540A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2655459C1 (en) * 2017-08-22 2018-05-28 Антон Владимирович Шмаков Method of measuring heat capacity of materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2655459C1 (en) * 2017-08-22 2018-05-28 Антон Владимирович Шмаков Method of measuring heat capacity of materials

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