JPH01132934A - Method and apparatus for analyzing liquid - Google Patents
Method and apparatus for analyzing liquidInfo
- Publication number
- JPH01132934A JPH01132934A JP62290828A JP29082887A JPH01132934A JP H01132934 A JPH01132934 A JP H01132934A JP 62290828 A JP62290828 A JP 62290828A JP 29082887 A JP29082887 A JP 29082887A JP H01132934 A JPH01132934 A JP H01132934A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- liquid
- pressure
- liquid sample
- analysis
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title description 12
- 238000004458 analytical method Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000013022 venting Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 235000013555 soy sauce Nutrition 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 2
- 235000013334 alcoholic beverage Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 2
- 235000013922 glutamic acid Nutrition 0.000 description 2
- 239000004220 glutamic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 235000019992 sake Nutrition 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000000346 sugar Nutrition 0.000 description 2
- 241001672694 Citrus reticulata Species 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 229930091371 Fructose Natural products 0.000 description 1
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 1
- 239000005715 Fructose Substances 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- 244000141359 Malus pumila Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 235000021016 apples Nutrition 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000015203 fruit juice Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 235000019674 grape juice Nutrition 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 108010042582 tosylarginine methyl ester hydrolase Proteins 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000015041 whisky Nutrition 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、近赤外線分析装置を用いて醤油、酒、ジュー
ス等の液体の成分を分析する方法と装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method and apparatus for analyzing the components of liquids such as soy sauce, sake, juice, etc. using a near-infrared analyzer.
（従来の技術）
近赤外線分析装置は液体の成分を多項目にわたり、迅速
に、簡便に分析できることから、最近広く利用されるよ
うになってきた。(Prior Art) Near-infrared analyzers have recently become widely used because they can quickly and easily analyze multiple components of a liquid.
そして、能率を高めるべく、ポンプにて連続的・自動的
に近赤外線分析装置へ試料を供給する自動分析方法が普
及しつつある。In order to improve efficiency, automatic analysis methods that continuously and automatically supply a sample to a near-infrared analyzer using a pump are becoming popular.
（発明が解決しようとする問題点）
しかしながら、従来の測定技術には、ポンプの脈動が試
料の液圧を変化させ、また試料セット時に混入する空気
が作用し、近赤外線分析装置内の分析セルの分析精度を
悪化させるという不具合がある。(Problems to be Solved by the Invention) However, in the conventional measurement technology, the pulsation of the pump changes the liquid pressure of the sample, and the air mixed in when setting the sample acts on the analysis cell in the near-infrared analyzer. There is a problem that the accuracy of analysis is deteriorated.
（問題点を解決するための手段）
上記要望に応えるべく本発明は、近赤外線分析装置と、
試料供給装置と、供給される試料液体の圧力を一定にす
る圧力制御とから分析装置を構成する。(Means for Solving the Problems) In order to meet the above demands, the present invention provides a near-infrared analysis device,
The analysis device is composed of a sample supply device and a pressure control device that keeps the pressure of the supplied sample liquid constant.
（作用）
試料供給装置で供給する試料供給装置の圧力−を圧力制
御装置にて一定にしつつ、近赤外線分析装置にて成分分
析を実施する。(Function) Component analysis is performed using a near-infrared analyzer while keeping the pressure of the sample supply device supplied by the sample supply device constant using a pressure control device.
（実施例）
以下に本発明の実施例を添付図面及び表に基づいて説明
する。(Example) Examples of the present invention will be described below based on the accompanying drawings and tables.
第１図は本発明に係る液体の分析装置構成図であり、液
体の分析装置１は、大きく、液体の成分を分析する近赤
外線分新装Ｍ２と、この装置２へ液体を供給・停止する
試料供給装置３と、液体の圧力を一定に制御する圧力制
御装置４とから成る。FIG. 1 is a configuration diagram of a liquid analyzer according to the present invention. The liquid analyzer 1 mainly includes a near-infrared separation unit M2 for analyzing liquid components, and a sample for supplying and stopping liquid to this apparatus 2. It consists of a supply device 3 and a pressure control device 4 that controls the pressure of the liquid to be constant.
更に、液体の分析装置１には、前記試料供給装置３に接
続して試料液体を提供する自動サンプラ５と、１サイク
ル毎に近赤外線分析装置２と試料供給装置３とを清掃す
る洗浄装置６とが、また試料供給装置３の途中には試料
液体を一定の温度に保つ恒温装置７が夫々付加されてい
る。Furthermore, the liquid analysis device 1 includes an automatic sampler 5 that connects to the sample supply device 3 to provide a sample liquid, and a cleaning device 6 that cleans the near-infrared analysis device 2 and the sample supply device 3 every cycle. In addition, a constant temperature device 7 is added in the middle of the sample supply device 3 to keep the sample liquid at a constant temperature.
試料供給装置３は、チューブポンプ３ａと、このチュー
ブポンプ３ａから放射状に延設されるチューブ３ｂ、３
ｃ、３ｄ、３ｅとからなる。The sample supply device 3 includes a tube pump 3a and tubes 3b, 3 extending radially from the tube pump 3a.
It consists of c, 3d, and 3e.
チューブポンプ３ａは、第２図に示すように、回転ロー
ラ３ｆ・・・にて可撓性チューブ３ｇ、３ｈを扱くが如
くして流体を一方向へ移動させる周知のポンプである。As shown in FIG. 2, the tube pump 3a is a well-known pump that moves fluid in one direction by handling flexible tubes 3g, 3h with rotary rollers 3f.
チューブ３Ｃの途中には、コイル状に形成した熱交換部
３１が介設され、熱交換部３１は恒温装置７の恒温槽７
ａに収容されている。A heat exchange part 31 formed in a coil shape is interposed in the middle of the tube 3C, and the heat exchange part 31 is connected to the constant temperature bath 7 of the constant temperature device 7.
It is housed in a.
圧力制御装置４は、第３図に示す如く、脚部分を垂直に
起立させるＴ字管４ａと、Ｔ字管４ａの上端から水平方
向に分岐するオーバーフロ管４ｂと、Ｔ字管４ａの上端
から更に上方に延出する空気抜き管４ｃとからなる。As shown in FIG. 3, the pressure control device 4 includes a T-shaped tube 4a whose legs stand vertically, an overflow tube 4b that branches horizontally from the upper end of the T-shaped tube 4a, and an upper end of the T-shaped tube 4a. It consists of an air vent pipe 4c extending further upward from the air vent pipe 4c.
自動サンプラ５は、試料液体を収容する試験管状のカラ
ム５ａ、５ｂを起立し移動させるターンテーブル５Ｃと
、このターンテーブル５Ｃを間欠回動させるサンプラ制
御面５ｄとからなり、複数のカラム５ａ、５ｂ・・・を
分析スケジュールに合せて前記チューブ３ｂ端に臨ませ
る。The automatic sampler 5 includes a turntable 5C that raises and moves test tube-shaped columns 5a and 5b containing sample liquid, and a sampler control surface 5d that rotates the turntable 5C intermittently. ... is placed facing the end of the tube 3b in accordance with the analysis schedule.
洗浄装置６は、洗浄液タンク６ａと、このタンク６ａ中
に差し込まれるチューブ６ｂと、このチューブ６ｂの途
中に介設され、洗浄液を圧送するチューブポンプ６Ｃと
からなる。チューブポンプ６Ｃは前記したチューブポン
プ３ａと同構造である。The cleaning device 6 includes a cleaning liquid tank 6a, a tube 6b inserted into the tank 6a, and a tube pump 6C that is interposed in the middle of the tube 6b and pumps the cleaning liquid. The tube pump 6C has the same structure as the tube pump 3a described above.
チューブ６ｂの先端６ｄはカラム５ａ・・・の近傍に開
口し、チューブ３ｂの基端３文と接続可能にある。即ち
、チューブ３ｂの基端３文は、可撓性に豊み矢印Ａの如
く揺動自在であって、例えば揺動シリンダユニットの如
き切換機構３ｍによってカラム５ａ開口とチューブ６ｂ
の先端６ｄとの一方へ自由に連結し得る。The distal end 6d of the tube 6b opens near the column 5a, and is connectable to the proximal end 3 of the tube 3b. That is, the proximal end 3 of the tube 3b is highly flexible and can swing freely as shown by arrow A, and is connected to the opening of the column 5a and the tube 6b by a switching mechanism 3m such as a swing cylinder unit.
can be freely connected to one side of the tip 6d.
図中８はコントローラであり、このコントローラ８は、
近赤外線分析装置２、試料供給装置３と、これらに連動
する切換機構３ｍ、サンプラ制御面５ｄ、チューブポン
プ６Ｃを包括して制御する。8 in the figure is a controller, and this controller 8 is
The near-infrared analyzer 2, the sample supply device 3, the switching mechanism 3m interlocked with these, the sampler control surface 5d, and the tube pump 6C are comprehensively controlled.
以上の構成からなる液体の分析装置１の作用を以下に説
明する。The operation of the liquid analyzer 1 having the above configuration will be explained below.
先ず、切換機構３ｍにてチューブ３ｂの基端３文を洗浄
装置６の先端６ｄに連結し、チューブポンプ３ａ 、６
ｃを作動し、洗浄液タンク６ａ内の洗浄液をチューブ６
ｂを介してチューブ３ｂ→チユーブポンプ３ａ→チユー
ブ３Ｃ→熱交換部３１→圧力制御装置４→チューブ３Ｃ
→近赤外線分析装置２→チューブ３ｄの順路にて流通せ
しめこれらを十分に洗浄する。First, the three proximal ends of the tube 3b are connected to the distal end 6d of the cleaning device 6 using the switching mechanism 3m, and the tube pumps 3a, 6 are connected.
c to transfer the cleaning liquid in the cleaning liquid tank 6a to the tube 6.
b via tube 3b → tube pump 3a → tube 3C → heat exchange section 31 → pressure control device 4 → tube 3C
→Near-infrared analyzer 2 →Tube 3d, and these are thoroughly washed.
ポンプ３ａ、６ｃを停止し、切換機構３ｍにてチューブ
３ｂの基端３文をカラム５ａにつなぎ替える。The pumps 3a and 6c are stopped, and the three proximal ends of the tube 3b are connected to the column 5a using the switching mechanism 3m.
ポンプ３ａを回動させることにより、カラム５ａ内の試
料液体はチューブ３ｂ→ポンプ３ａ→チユーブ３ｃを介
して近赤外線分析装置２に送り込まれる。By rotating the pump 3a, the sample liquid in the column 5a is sent to the near-infrared analyzer 2 via the tube 3b→pump 3a→tube 3c.
チューブ３Ｃの途中において、試料液体は、先ず熱交換
部３１にて所定の温度に変換され一定温に保たれる。In the middle of the tube 3C, the sample liquid is first converted to a predetermined temperature in the heat exchange section 31 and kept at a constant temperature.
次いで、試料液体は、圧力制御装置４を通る。The sample liquid then passes through the pressure control device 4.
圧力制御装置４では、試料液体は、第３図に示すＨｌの
高さにあるオーバフロー管４ｂから外方へ常時流出し、
偽って、流通する試料液体の圧力は水頭Ｈ１に維持され
る。また、チューブ３ｂの基端３文の切替えの際にチュ
ーブ３ｂへ侵入する大気空気は、流れに沿って液体の上
部に片寄り、圧力制御装置４のＴ字管４ａにて、その垂
直部分から上方へ浮き上り、空気抜き管４ｃを介して上
方大気へ流出する。In the pressure control device 4, the sample liquid constantly flows outward from the overflow pipe 4b located at the height of Hl shown in FIG.
The pressure of the flowing sample liquid is falsely maintained at the water head H1. In addition, the atmospheric air that enters the tube 3b when the proximal end of the tube 3b is switched is shifted to the upper part of the liquid along the flow, and is transferred from the vertical portion of the T-shaped tube 4a of the pressure control device 4 to the upper part of the liquid. It floats upward and flows out into the upper atmosphere through the air vent pipe 4c.
即ち、上記した圧力制御装置４は極めて簡単な構造にし
て、均圧と空気抜き作用を為す、この状態で近赤外線分
析装置２は試料液体分析を実施する。That is, the above-described pressure control device 4 has an extremely simple structure and performs pressure equalization and air removal functions. In this state, the near-infrared analyzer 2 performs sample liquid analysis.
分析後、切換袋ｇｉ３ ｍにてチューブ３ｂの基端３文
をカラム５ａから外し、チューブ６ｂの先端６ｄへつな
ぎかえる。After the analysis, the three proximal ends of the tube 3b are removed from the column 5a using the switching bag gi3m and reconnected to the distal end 6d of the tube 6b.
チューブポンプ３ａ、６ｃを起動し、チューブポンプ３
ａ、チューブ３ｂ、３ｃ、近赤外線分析装置２を洗浄す
る。Start the tube pumps 3a and 6c, and
a. Clean the tubes 3b and 3c and the near-infrared analyzer 2.
サンプラ制御面５ａにてターンテーブル５ｃを１ピッチ
回転させる。The turntable 5c is rotated by one pitch on the sampler control surface 5a.
チューブ３ｂの基端３ｆＬをカラム５ｂに接続して、カ
ラム５ａと同様の順にてカラム５ｂ内の試料液体の分析
を実施する。The proximal end 3fL of the tube 3b is connected to the column 5b, and the sample liquid in the column 5b is analyzed in the same order as the column 5a.
以上に述べた作動の全ては、コントローラ８の制御指令
によって自動で為される。All of the operations described above are automatically performed by control commands from the controller 8.
次に上記した液体の分析装置ｌによる分析方法が以下に
有効であるか、実験データを基に説明する。Next, based on experimental data, it will be explained whether the analysis method using the liquid analyzer 1 described above is effective or not.
実験は試料としては濃口醤油を用いた０本発明方法につ
いては、圧力制御装置４の前記高さＨｌを固定し、チュ
ーブ３Ｃの圧力を１５＋５ａＡｑに維持し、繰り返し分
析してそれらの平均、標準偏差を算出した。In the experiment, dark soy sauce was used as a sample.In the method of the present invention, the height Hl of the pressure controller 4 was fixed, the pressure in the tube 3C was maintained at 15+5aAq, and repeated analyzes were performed to calculate the average and standard deviation of the results. was calculated.
一方、対照法については、圧力制御装置４の高さＨｌを
種々変化させ、チューブ３Ｃの圧力を１３．１５．１８
，２０．２２ｍ層Ａｑに設定し、それらの夫々について
繰り返し分析してそれらの平均、標準偏差を算出した。On the other hand, for the control method, the height Hl of the pressure control device 4 was varied, and the pressure in the tube 3C was adjusted to 13.15.18.
, 20.22m layer Aq, and the average and standard deviation were calculated by repeatedly analyzing each of them.
実験結果を第１表に示す。The experimental results are shown in Table 1.
なお近赤外線分析装置２による各成分の定量は、（財）
日本醤油研究所線「しょうゆ分析法」に記載の常用法と
対比して作成した検量線に基づいて行なった。すなわち
常用法としては窒素にはケルゾール法を、アルコールに
はガスクロマトグラフィーを、乳酸およびグルタミン酸
には酵素法を、食塩にはモール法をそれぞれ用いた。The quantitative determination of each component using the near-infrared analyzer 2 is conducted by
This was done based on a calibration curve created in comparison with the commonly used method described in the Japan Soy Sauce Research Institute's "Soy Sauce Analysis Method." That is, as conventional methods, the Kelsol method was used for nitrogen, gas chromatography was used for alcohol, the enzyme method was used for lactic acid and glutamic acid, and the Mohr method was used for salt.
そして生醤油および火入れ済の醤油について。And about raw soy sauce and pasteurized soy sauce.
２４５点を２回ずつ近赤外線分析装置により測定し、各
成分について下記のような重回帰式および重回帰係数を
得た。第１表の分析値は該重回帰式を基に算出したもの
である。245 points were measured twice using a near-infrared analyzer, and the following multiple regression equations and multiple regression coefficients were obtained for each component. The analytical values in Table 1 were calculated based on the multiple regression equation.
また、第２表は本発明の方法によって、酒類および果汁
のアルコールおよび還元糖についてそれぞれ１０回ずつ
繰り返し分析した結果を示す。Furthermore, Table 2 shows the results of repeated analysis of alcohol and reducing sugar in alcoholic beverages and fruit juices 10 times each using the method of the present invention.
（以下余白） 玉セυ１式 ％式％（３） ※ＡＢＳ（Ｎ）は吸光度を示す。(Margin below) Tamase υ1 type % formula % (3) *ABS (N) indicates absorbance.
※上式において単位は何れも（Ｗ／Ｖ％）である。*In the above formulas, the unit is (W/V%).
１厘旅孫１
窒素； ０．９９４Ｂ
アルコール； ０．９９４０
グルタミン酸、 ０．９１４５
乳酸、 ０．８８１４
食塩； ０．９９７１
第１表
第２表
※還元糖はＨＰＬＣ法で測定し、グルコースとフラクト
ースの和で示した。1 Nitrogen; 0.994B Alcohol; 0.9940 Glutamic acid, 0.9145 Lactic acid, 0.8814 Salt; 0.9971 Table 1 Table 2 *Reducing sugars are measured by HPLC method, and the difference between glucose and fructose Shown as sum.
前記第１表より明らかな如く、本発明方法による方が分
析値にバラツキがなく安定した結果が得られることがわ
かる。As is clear from Table 1 above, it can be seen that the method of the present invention provides more stable results with less variation in analytical values.
また、本発明は、醤油、ワイン、清酒、ブドウ果汁の他
、ウィスキー、ビールなど酒類、ミカン、リンゴ等ジュ
ース類、さらに牛乳などの成分分析に有効である。Furthermore, the present invention is effective for component analysis of soy sauce, wine, sake, grape juice, alcoholic beverages such as whiskey and beer, juices such as mandarin oranges and apples, and milk.
尚１本発明の圧力制御装置４は、要は近赤外線分析装置
２内の試料液体の圧力を分析タイミングにおいて一定に
維持するものであればよく、例えば第４図、第５図に示
す装置を採用してもよい。In short, the pressure control device 4 of the present invention may be any device as long as it maintains the pressure of the sample liquid in the near-infrared analyzer 2 constant at the analysis timing, and for example, the pressure control device 4 shown in FIGS. May be adopted.
即ち、第４図の装置はチューブ３ｃに流れ方向に沿って
、空気抜き管４ｄと、圧力制御弁４ｅと、圧力センサ４
ｆとを介設する。That is, the apparatus shown in FIG. 4 includes an air vent pipe 4d, a pressure control valve 4e, and a pressure sensor 4 along the flow direction of the tube 3c.
Interpose f.
空気抜き管４ｄはチューブ３ｃから垂直に十分高く起立
し、空気のみを上方へ放出する。The air vent pipe 4d stands up vertically and sufficiently high from the tube 3c, and releases only air upward.
圧力制御弁４ｅは、圧力センサ４ｆの圧力信号を圧力コ
ントローラ４ｇに入力し、圧力コントローラ４ｇにて目
標圧力値と比較し、圧力コントローラ４ｇは実圧力値を
この目標圧力値に合せるべく圧力制御弁４ｅを開閉する
。The pressure control valve 4e inputs the pressure signal of the pressure sensor 4f to the pressure controller 4g, which compares it with a target pressure value, and the pressure controller 4g operates the pressure control valve to adjust the actual pressure value to this target pressure value. Open and close 4e.
また第５図の装置は、第４図の圧力制御弁４ｅを廃し、
第１図のラインポンプ３ａをチューブポンプ３ｎとチュ
ーブポンプ３Ｐに置き換えたものである。Furthermore, the device shown in FIG. 5 eliminates the pressure control valve 4e shown in FIG.
The line pump 3a in FIG. 1 is replaced with a tube pump 3n and a tube pump 3P.
即ち、試料液体の空気は空気抜き管４ｄで抜かれ、圧力
センサ４ｆでモニタされ、圧力コントローラ４ｇの作用
にてチューブポンプ３ｎの回転数を高めて昇圧する如く
する。昇圧手段はチューブポンプに限らずギヤーポンプ
、ベーンポンプ、タービンポンプなど使用可能である。That is, the air in the sample liquid is removed by an air vent pipe 4d, monitored by a pressure sensor 4f, and the rotational speed of the tube pump 3n is increased by the action of the pressure controller 4g to raise the pressure. The pressure increasing means is not limited to tube pumps, but gear pumps, vane pumps, turbine pumps, etc. can be used.
そして、複数の圧力制御装置４・・・をチューブ３ｃ、
チューブ３ｄに介設してもよい。Then, the plurality of pressure control devices 4... are connected to the tubes 3c,
It may be interposed in the tube 3d.
また、圧力変動を除く方法として、分析タイミング前に
チューブポンプ３ａを停止させるなどして近赤外線分析
装置ｚ内の液体を静止させ、もって圧力を静定させるも
のも有効である。Furthermore, as a method for eliminating pressure fluctuations, it is also effective to stop the tube pump 3a before the analysis timing to make the liquid in the near-infrared analyzer z stand still, thereby stabilizing the pressure.
（発明の効果）
以上に述べた如く、本発明によれば、近赤外線分析装置
内の試料液体を一定にして分析するといラ極めて簡単な
手段で、分析精度を著しく向上させ、生産の効率化を図
ることができる。(Effects of the Invention) As described above, according to the present invention, it is possible to significantly improve analysis accuracy and improve production efficiency by keeping the sample liquid in the near-infrared analyzer constant for analysis. can be achieved.
第１図は本発明に係る流体の分析装置構成図、第２図は
チューブポンプの構造説明図、第３図は圧力制御装置の
第１実施例図、第４図は同第２実施例図、第５図は同第
３実施例図である。
尚、図面中、ｌは液体の分析装置、２は近赤外線分析装
置、３は試料供給装置、４は圧力制御装置である。
特 許 出 願 人 キッコーマン株式会社同
アルファ・ラバル
産業機械株式会社Fig. 1 is a configuration diagram of a fluid analysis device according to the present invention, Fig. 2 is a structural explanatory diagram of a tube pump, Fig. 3 is a diagram of a first embodiment of a pressure control device, and Fig. 4 is a diagram of a second embodiment of the same. , FIG. 5 is a diagram of the third embodiment. In the drawings, 1 is a liquid analyzer, 2 is a near-infrared analyzer, 3 is a sample supply device, and 4 is a pressure control device. Patent applicant: Kikkoman Corporation
Alfa Laval Industrial Machinery Co., Ltd.
Claims (2)
して、この液体の成分を前記近赤外線分析装置にて分析
するようにしたことを特徴とすると液体の分析方法。(1) A liquid analysis method, characterized in that the pressure of the liquid passing through the near-infrared analyzer is kept constant, and the components of this liquid are analyzed by the near-infrared analyzer.
近赤外線分析装置へ液体を供給する試料供給装置と、前
記近赤外線分析装置内の液体の圧力を一定にする圧力制
御装置とから成ることを特徴とする液体の分析装置。(2) Consisting of a near-infrared analyzer that analyzes the components of a liquid, a sample supply device that supplies liquid to the near-infrared analyzer, and a pressure control device that keeps the pressure of the liquid in the near-infrared analyzer constant. A liquid analysis device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29082887A JPH0638068B2 (en) | 1987-11-18 | 1987-11-18 | Liquid analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29082887A JPH0638068B2 (en) | 1987-11-18 | 1987-11-18 | Liquid analyzer |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23931193A Division JP2597075B2 (en) | 1993-09-27 | 1993-09-27 | Liquid analyzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01132934A true JPH01132934A (en) | 1989-05-25 |
| JPH0638068B2 JPH0638068B2 (en) | 1994-05-18 |
Family
ID=17761010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29082887A Expired - Fee Related JPH0638068B2 (en) | 1987-11-18 | 1987-11-18 | Liquid analyzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638068B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0624895A (en) * | 1992-07-06 | 1994-02-01 | Fujikura Ltd | Cvd raw material evaporating device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5663241A (en) * | 1979-10-15 | 1981-05-29 | Shields John | Apparatus for optically analysing milkklike fluid emulsion |
-
1987
- 1987-11-18 JP JP29082887A patent/JPH0638068B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5663241A (en) * | 1979-10-15 | 1981-05-29 | Shields John | Apparatus for optically analysing milkklike fluid emulsion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0624895A (en) * | 1992-07-06 | 1994-02-01 | Fujikura Ltd | Cvd raw material evaporating device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638068B2 (en) | 1994-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3222705A1 (en) | Method for producing beer-tasting beverage, and method for imparting hop aroma to beer-tasting beverage | |
| Buratti et al. | Alcoholic fermentation using electronic nose and electronic tongue | |
| CN103571729B (en) | Method for reducing acid and removing fusel oil of plum wine | |
| Descoins et al. | Carbonation monitoring of beverage in a laboratory scale unit with on-line measurement of dissolved CO2 | |
| JPH01132934A (en) | Method and apparatus for analyzing liquid | |
| US20090104308A1 (en) | Methods and an apparatus for controlling concentrations of substances within wine | |
| CN101748038B (en) | Method for percolating and aging white spirit | |
| WO2017171023A1 (en) | Beverage in which hesperidin precipitation has been inhibited | |
| JP2597075B2 (en) | Liquid analyzer | |
| JP6649686B2 (en) | Fruit wine | |
| CN106566743A (en) | Brewing method of cabernet sauvignon low-alcohol sweet red wine | |
| JPH01132933A (en) | Method and apparatus for analyzing liquid | |
| Kim et al. | Flavor compounds of dongchimi soup by different fermentation temperature and salt concentration | |
| US10479967B2 (en) | System and method for fermentation | |
| CN204888661U (en) | Press orange juice equipment at present | |
| JP3351685B2 (en) | Positive pressure head space gas analysis method | |
| CN208688903U (en) | A kind of nitrogen evaporator | |
| CN210419932U (en) | Pickled Chinese cabbage fermentation device | |
| CLIFF et al. | Development of a vocabulary for profiling apple juices | |
| CN104749279A (en) | HPLC (high performance liquid chromatography) determination method for cyanidin-3-rutinoside chloride in blackcurrants | |
| CN205305947U (en) | Stable hot pepper belt cleaning device | |
| CN201713514U (en) | Device for percolating and aging wine | |
| EP2053121A1 (en) | Methods and an apparatus for controlling concentrations of substances within wine | |
| CN108841477B (en) | Method for brewing watermelon and muskmelon wine by adopting micro-aerobic fermentation technology | |
| CN116792627A (en) | Fruit acid detection device for fruit processing convenient to fix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
| R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
| R370 | Written measure of declining of transfer procedure |
Free format text: JAPANESE INTERMEDIATE CODE: R370 |
|
| LAPS | Cancellation because of no payment of annual fees |