JPS59187747U

JPS59187747U - Freezing point measuring device

Info

Publication number: JPS59187747U
Application number: JP8307983U
Authority: JP
Inventors: 佐藤　通雄; 今井　克巳; 洋一藤原; 末広　隆範
Original assignee: 新日鐵化学株式会社
Priority date: 1983-06-01
Filing date: 1983-06-01
Publication date: 1984-12-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図〜第４図は本考案装置の実施例を示すもので、第
１図はセル恒温装置の平断面図、第２図は良熱伝導性突
起体の他の実施例を示す平断面図、第３図は第１図の■
−■線縦線面断面図４図は本考案装置の回路図、第５図
は本考案装置を用いて測定した凝固熱曲線のモデルを示
す図、第６図は本考案装置を用いて測定した９５％ナフ
タリンの凝固熱曲線を示す図、第７図、第８図は、試料
セル内に金属製突起体が設けられていない凝固点測定装
置を用いて測定した９５％ナフタリンの凝固熱曲線を示
す図である。５・・・試料セル、１０・・・試料温度センサー、１０
ａ・・・感温部、１１・・・良熱伝導性突起体。ＩｔＪ　　　　　５第２図Figures 1 to 4 show examples of the device of the present invention. Figure 1 is a cross-sectional plan view of a cell constant temperature device, and Figure 2 is a cross-sectional view of another example of a protrusion with good thermal conductivity. Figure 3 is the same as Figure 1.
Figure 4 is a circuit diagram of the device of the present invention, Figure 5 is a diagram showing a model of the solidification heat curve measured using the device of the present invention, and Figure 6 is a cross-sectional view taken using the device of the present invention. Figures 7 and 8 show the solidification heat curves of 95% naphthalene measured using a freezing point measuring device without metal protrusions in the sample cell. FIG. 5... Sample cell, 10... Sample temperature sensor, 10
a... Temperature sensitive part, 11... Good thermal conductive protrusion. ItJ 5 Figure 2

Claims

[Scope of utility model registration request]

(1) A sample cell is provided with a protrusion having good thermal conductivity protruding from the inner wall of the sample cell so as to be located close to the temperature sensing part of a sample temperature sensor installed in the sample cell. Freezing point measuring device.

(2) A cell constant temperature device, a sample cell installed in the cell constant temperature device, a sample temperature sensor installed in the sample cell, and a sample cell so that its tip is located close to the temperature sensing part of the sensor. A good heat conductive protrusion protruding from the inner wall,
A sample supply/discharge mechanism that automatically supplies and discharges the sample to and from the sample cell, a sample temperature display mechanism connected to the sample temperature sensor, a heating means provided in the cell constant temperature device that heats the sample cell, and a sample cell. A freezing point measuring device according to claim 1, which is a utility model and comprises a cooling means for cooling the sample cell, and a temperature control mechanism for controlling the heating temperature of the sample cell.