JP2000105229A - Concentration calculating device - Google Patents
Concentration calculating deviceInfo
- Publication number
- JP2000105229A JP2000105229A JP10274613A JP27461398A JP2000105229A JP 2000105229 A JP2000105229 A JP 2000105229A JP 10274613 A JP10274613 A JP 10274613A JP 27461398 A JP27461398 A JP 27461398A JP 2000105229 A JP2000105229 A JP 2000105229A
- Authority
- JP
- Japan
- Prior art keywords
- concentration
- uncertainty
- value
- adjustment
- purity
- 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
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、濃度計算装置に係
わり、特にデータ評価に好適な装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a concentration calculating device, and more particularly to a device suitable for data evaluation.
【０００２】[0002]
【従来の技術】濃度計算装置とは、標準試料の具体的な
調整方法を指定することにより、標準試料の濃度を自動
的に計算する装置である。2. Description of the Related Art A concentration calculator is a device for automatically calculating the concentration of a standard sample by designating a specific adjustment method of the standard sample.
【０００３】一方、濃度値のばらつきを示す方法として
は、特開平6−324029 号あるいは特開平8−43329号公報
にあるように、複数の濃度の実測値より統計的手法を用
いて誤差値を計算し、これを濃度値と同時表示する方法
がある。On the other hand, as a method of indicating the variation of density values, as disclosed in JP-A-6-324029 or JP-A-8-43329, an error value is calculated from a plurality of measured values of density using a statistical method. There is a method of calculating and displaying this simultaneously with the density value.
【０００４】[0004]
【発明が解決しようとする課題】従来の濃度計算装置は
濃度値のみを計算するだけで原料物質の純度のばらつき
や、秤量の分解能の限界等に伴う濃度値のばらつきにつ
いては考慮されておらず、計算の結果得られた濃度値が
どれくらいの信頼性をもつのかは不明であった。また、
値のばらつきの指標としての誤差値は複数の実測値から
計算された標準偏差等を用いることが多いが、標準試料
の濃度値のばらつきは原料物質の純度のばらつきや各調
整手順に伴う秤量の分解能の限界によるもので、あらか
じめ値を見積もることが可能であり、測定機器による測
定誤差の混入を考慮すると実測による誤差値を用いるこ
とは適当ではない。The conventional concentration calculator calculates only the concentration value and does not consider the variation in the purity of the raw material or the variation in the concentration value due to the limitation of the resolution of weighing. However, it was unclear how reliable the concentration value obtained as a result of the calculation was. Also,
As an error value as an index of the variation of the value, a standard deviation calculated from a plurality of actually measured values is often used. This is due to the limit of the resolution, and it is possible to estimate the value in advance, and it is not appropriate to use an error value obtained by actual measurement in consideration of mixing of a measurement error by a measuring device.
【０００５】本発明の目的は、上記のあらかじめ予想さ
れるばらつきの要因による値の不確かさを用いて濃度値
の不確かさを計算し、計算された試料濃度の値のばらつ
きを具体的に示すことで計算値の信頼性の度合いを明確
にすることである。[0005] An object of the present invention is to calculate the uncertainty of the concentration value using the uncertainty of the value due to the previously expected cause of the variation, and to specifically show the variation of the calculated sample concentration value. Is to clarify the degree of reliability of the calculated value.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明は調整手順指定部と計算部と表示部からな
り、調整手順指定部において試料の調整に必要な原料物
質と一連の調整手順を指定し、原料物質の純度および各
調整手順の調整量と同時にそれらの予想される不確かさ
の値を入力し、計算部においてその原料物質の純度と各
調整手順における調整量を用いて濃度の計算を行うとと
もに、それらの値の不確かさの値を用いて濃度値の不確
かさを計算し、表示部において原料物質の純度と各調整
手順の調整量およびそれらの値の不確かさの値を表示す
るとともに、計算された濃度値の濃度値の不確かさを表
示するように構成した。In order to achieve the above object, the present invention comprises an adjustment procedure designating section, a calculation section, and a display section. Specify the procedure, enter the purity of the raw material and the values of the expected uncertainties at the same time as the adjustment amount of each adjustment procedure, and calculate the concentration using the purity of the raw material and the adjustment amount in each adjustment procedure in the calculation unit And the uncertainty of the concentration value is calculated using the uncertainty values of those values, and the purity of the raw material, the adjustment amount of each adjustment procedure, and the value of the uncertainty of those values are displayed on the display. In addition to the display, the uncertainty of the calculated density value is displayed.
【０００７】好ましくは、上記の不確かさとして、国際
標準化機構（ＩＳＯ）を中心にまとめられた測定値の信
頼性の評価基準についてのガイドラインＧＵＭ（Guide
tothe expression of Uncertainty in Measurement，１
９９３，ＩＳＯ）記載の不確かさを導入し、これに記載
されている計算方法に則って濃度の不確かさを計算す
る。[0007] Preferably, as the above-mentioned uncertainty, a guideline GUM (Guide) for evaluating the reliability of measured values compiled mainly by the International Organization for Standardization (ISO)
tothe expression of Uncertainty in Measurement, 1
993, ISO), and the concentration uncertainty is calculated according to the calculation method described therein.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施例を添付図面
に基づいて説明する。Embodiments of the present invention will be described below with reference to the accompanying drawings.
【０００９】図１は、本発明の一実施例である液体クロ
マトグラフ標準試料濃度計算装置の基本構成図である。
この図１の実施例は液体クロマトグラフによるchrysene
の分析に用いる標準試料に適用した例である。標準試料
は、原料物質chrysene（分子量２２８.２９，純度９９.
９９％）２０mgを溶媒アセトン（不純物は無視）で溶解
し、５００ｍＬに定容し、この溶液を１ｍＬ分注して標
準試料とするものとする。FIG. 1 is a basic configuration diagram of a liquid chromatograph standard sample concentration calculating apparatus according to one embodiment of the present invention.
The embodiment of FIG. 1 uses a liquid chromatograph for chrysene.
This is an example in which the present invention is applied to a standard sample used for the analysis of a sample. The standard sample was a starting material chrysene (molecular weight: 228.29, purity: 99.29).
20% (99%) is dissolved in a solvent acetone (impurities are neglected), the volume is adjusted to 500 mL, and 1 mL of this solution is dispensed as a standard sample.
【００１０】図２の本装置の表示部である試料調整画面
である。FIG. 2 is a sample adjustment screen which is a display unit of the apparatus of FIG.
【００１１】この試料調整画面に各調整手順に相当する
容器アイコンを調整手順の順に並べ、それらを接続線で
つなぐことにより、一連の調整手順シークエンスを調整
手順指定部に入力する。この場合、固体試料であるchry
seneを天秤で２０mg秤量し、これをメスフラスコを用い
てアセトンで溶解、５００ｍＬに定容し、これをピペッ
トで１ｍＬ分注し、標準試料とするため、試料調整画面
上の調整シークエンスは図２のとおりとなる。On the sample adjustment screen, container icons corresponding to the respective adjustment procedures are arranged in the order of the adjustment procedures, and they are connected by connecting lines, thereby inputting a series of adjustment procedure sequences to the adjustment procedure designating section. In this case, the solid sample chry
20 mg of sene was weighed on a balance, dissolved in acetone using a volumetric flask, and the volume was adjusted to 500 mL. This was dispensed with a pipette to 1 mL, and the adjustment sequence on the sample adjustment screen was shown in FIG. It becomes as follows.
【００１２】各調整手順には試料濃度を計算するための
関数Ｃi(ｍi)が定義されており、一連の調整シークエン
スによって得られる試料の濃度Ｃは、関数Ｃ＝ΠＣi(ｍ
i)によって濃度計算部において計算される。A function C i (m i ) for calculating the sample concentration is defined in each adjustment procedure, and the concentration C of the sample obtained by a series of adjustment sequences is represented by a function C = ΠC i (m
i ) is calculated in the density calculator.
【００１３】具体的には、 固体試料の純度：Ｃm(Ｐ)＝ｐ／１００ ｐ：試薬
純度（％） 天秤による秤量：Ｃb(ｍ)＝ｍ×ｍＳＦ／ＣＦ ｍ：秤量値，ｍＳＦ：単位変換ファクタ ＣＦ：成分ファクタ 濃度単位がモル濃度の場合：ＣＦ
＝ｍｗ：分子量； 濃度単位が重量濃度の場合：ＣＦ＝１； フラスコによる定容：Ｃf(Ｖf)＝１(Ｖf×ＶＳＦ) Ｖf ：定容の容積，ＶＳＦ：単位変換ファクタ ゆえに、濃度の計算式は Ｃ＝Ｃm×Ｃb×Ｃf＝ｐ×ｍ×ｍＳＦ／（ＣＦ×Ｖf×Ｖ
ＳＦ） となる。Specifically, purity of solid sample: C m (P) = p / 100 p: reagent purity (%) Weighing by balance: C b (m) = m × mSF / CF m: weighing value, mSF : Unit conversion factor CF: Component factor When the concentration unit is molar: CF
= Mw: molecular weight; when the concentration unit is weight concentration: CF = 1; constant volume by flask: C f (V f ) = 1 (V f × VSF) V f : constant volume, VSF: unit conversion factor , formula for concentration C = C m × C b × C f = p × m × mSF / (CF × V f × V
SF).
【００１４】調整作業者登録コマンドを選択すると、調
整作業者登録のダイアログボックスが開き、作業者氏名
と各調整作業における熟練度（Ａ〜Ｅの５段階）を指定
する。When the adjustment worker registration command is selected, a dialog box for registration of the adjustment worker is opened, and the name of the worker and the skill level (five levels of A to E) in each adjustment work are designated.
【００１５】今回指定した作業者Worker１は全ての調整
作業において熟練度Ｃとする。The worker Worker 1 designated this time has the skill level C in all adjustment work.
【００１６】表示部の固体試料アイコンをクリックする
とプロパティのダイアログボックスが開く。その成分タ
ブに原料物質に含まれる成分名chryseneと純度９９.９
９％および分子量２２８.２９ を入力する。Clicking the solid sample icon on the display section opens a property dialog box. In the component tab, the component name chrysene and purity 99.9 contained in the raw material
Enter 9% and molecular weight 228.29.
【００１７】次に調整の詳細タブを選択し、純度の不確
かさの欄にこの原料物質の純度の不確かさ０.０１(％）
を入力する。Next, the adjustment details tab is selected, and the purity uncertainty of the raw material is 0.01 (%) in the column of purity uncertainty.
Enter
【００１８】固体試料の不確かさＵm(％）にはこの純度
の不確かさ（％）の値をそのまま用いる。The uncertainty (%) of the purity is directly used as the uncertainty U m (%) of the solid sample.
【００１９】次に天秤アイコンをクリックするとプロパ
ティのダイアログボックスが開く。その量タブの秤量値
の欄に試料の秤量値２０を入力し、単位の選択欄から使
用する質量単位mgを選択する。Next, when the balance icon is clicked, a property dialog box opens. The weighing value 20 of the sample is input in the weighing value column of the amount tab, and the mass unit mg to be used is selected from the unit selection column.
【００２０】次に調整の詳細タブを選択し、分解能欄に
天秤の読み取り分解能の値0.001 （mg）を入力し、ば
らつきの欄に天秤のばらつきの値０.０１(％）を入力す
る。さらに調整作業者名を作業者の欄の登録者の中から
選択する。Next, the user selects the adjustment details tab, inputs the value 0.001 (mg) of the balance reading resolution in the resolution column, and inputs the value 0.01 (%) of the balance variation in the variation column. Further, an adjustment operator name is selected from the registrants in the column of the operator.
【００２１】この天秤の読み取り分解能とばらつき、お
よび作業者の熟練度によるばらつきの値０.０１％ よ
り、天秤による秤量の不確かさＵb が計算部において[0021] Reading resolution and variation of the balance, and more 0.01% variation in value due to the skill and experience of the worker, uncertainty U b of the weighing by the balance in the calculation unit
【００２２】[0022]
【数１】 Ｕb＝√((０.００１／２０)2＋(０.０００１)2＋(０.０００１)2)×１００ ＝０.０１５(％) と計算される。[Number 1] is computed as U b = √ ((0.001 / 20) 2 + (0.0001) 2 + (0.0001) 2) × 100 = 0.015 (%).
【００２３】さらに、この不確かさＵb(％）に秤量値ｍ
を乗じた秤量値の不確かさの値Δｍを計算部において計
算し、表示部の天秤アイコンの下部にｍ±Δｍ＝２０±
０.００３０(mg）の形で表示する。Further, the weighing value m is added to this uncertainty U b (%).
The uncertainty value Δm of the weighed value multiplied by is calculated by the calculation unit, and m ± Δm = 20 ± is displayed below the balance icon on the display unit.
Display in the form of 0.0030 (mg).
【００２４】次にフラスコアイコンをクリックするとプ
ロパティのダイアログボックスが開く。Next, clicking the flask icon opens a properties dialog box.
【００２５】その量タブの定容量の欄に定容する容積値
５００を入力し、単位の選択欄から使用する容積単位ｍ
Ｌを選択する。Enter a constant volume value 500 in the constant volume field of the volume tab, and use the volume unit m from the unit selection field.
Select L.
【００２６】次に調整の詳細タブを選択し、分解能の欄
にフラスコの分解能の値０.０１ （ｍＬ）を入力し、
ばらつきの欄にフラスコのばらつきの値０.０１％ を入
力する。Next, select the adjustment details tab, enter the value 0.01 (mL) of the flask resolution in the column of resolution,
Enter the value of 0.01% of the dispersion of the flask in the column of dispersion.
【００２７】さらに調整作業者名を作業者の欄の登録者
の中から選択する。Further, the name of the adjustment operator is selected from the registrants in the column of the operator.
【００２８】このフラスコの分解能とばらつき、および
作業者の熟練度によるばらつきの値０.０１％ より、フ
ラスコによる定容の不確かさＵf が計算部においてThe resolution and variation of the flask, and from 0.01% variation in value due to the skill and experience of the worker, uncertainty U f of a constant volume by the flask in the calculation unit
【００２９】[0029]
【数２】 Ｕf＝√((０.０１／５００)2＋(０.０００１)2＋(０.０００１)2)×１００ ＝０.０１４(％) と計算される。U f = √ ((0.01 / 500) 2 + (0.0001) 2 + (0.0001) 2 ) × 100 = 0.014 (%)
【００３０】さらに、この不確かさＵf(％) に容積値Ｖ
f を乗じた容積値の不確かさの値ΔＶf を計算部におい
て計算し、表示部のフラスコアイコンの下部にＶf±Δ
Ｖf＝５００±０.０７(ｍＬ）の形で表示する。Further, the volume value V is added to the uncertainty U f (%).
The calculation unit calculates an uncertainty value ΔV f of the volume value multiplied by f , and displays V f ± Δ at the bottom of the flask icon on the display unit.
It is displayed in the form of V f = 500 ± 0.07 (mL).
【００３１】次にピペットアイコンをクリックするとプ
ロパティのダイアログボックスが開く。Next, clicking the pipette icon opens a properties dialog box.
【００３２】その量タブの量の欄に分注する容積値１を
入力し、単位の欄から使用する容積単位ｍＬを選択す
る。The volume value 1 to be dispensed is entered in the volume column of the volume tab, and the volume unit mL to be used is selected from the unit column.
【００３３】次に調整の詳細タブを選択し、分解能の欄
にピペットの読み取り分解能の値０.００１(ｍＬ）を入
力し、ばらつきの欄にピペットのばらつきの値０.１％
を入力する。Next, select the adjustment details tab, enter the pipetting reading resolution value 0.001 (mL) in the resolution column, and enter the pipette variation value 0.1% in the variation column.
Enter
【００３４】さらに調整作業者名を作業者の欄の登録者
の中から選択する。Further, an adjustment operator name is selected from the registrants in the column of the operator.
【００３５】このピペットの読み取り分解能とばらつ
き、および作業者の熟練度によるばらつきの値０.０１
％ より、ピペットによる分注の不確かさＵp が計算部
においてThe reading resolution and variation of the pipette, and the value of variation due to the skill of the worker are 0.01.
% From uncertainty U p of the dispensing by pipette in the calculation unit
【００３６】[0036]
【数３】 Ｕp＝√((０.００１／１)2＋(０.００１)2＋(０.０００１)2)×１００ ＝０.１４(％) と計算される。Equation 3] is calculated as U p = √ ((0.001 / 1) 2 + (0.001) 2 + (0.0001) 2) × 100 = 0.14 (%).
【００３７】さらに、この不確かさＵp(％）に容積値Ｖ
p を乗じた容積値の不確かさの値ΔＶp を計算部におい
て計算し、表示部のピペットアイコンの下部にＶp±Δ
Ｖp＝１±０.００１４(ｍＬ）の形で表示する。Furthermore, the volume value V to the uncertainty U p (%)
The value [Delta] V p uncertainty volume value multiplied by p calculated in the calculation unit, the bottom of the pipette icon display unit V p ± delta
It is displayed in the form of V p = 1 ± 0.0014 (mL).
【００３８】次に液体容器アイコン(std１）をクリック
するとプロパティのダイアログボックスが開く。その成
分タブの成分名を指定し、単位変換の欄から濃度単位を
選択すると、その成分の濃度計算における各スケールフ
ァクタが決定し、計算部において試料の濃度値Ｃが計算
される。濃度単位にmg／Ｌを選択した場合、ｍＳＦとＶ
ＳＦはそれぞれ１と０.００１ となり、濃度値は４０
（mg／Ｌ）となる。Next, when the liquid container icon (std1) is clicked, a property dialog box opens. When a component name on the component tab is designated and a density unit is selected from the unit conversion column, each scale factor in the density calculation of the component is determined, and the calculation unit calculates the sample concentration value C. When mg / L is selected as the concentration unit, mSF and V
SF is 1 and 0.001, respectively, and the density value is 40
(Mg / L).
【００３９】それとともに、各容器による秤量の不確か
さのうち直接濃度調整に影響するＵm，Ｕb，Ｕf の二乗
和の平方根を求め、これを標準試料調整に伴う合成標準
不確かさとしての試料濃度の不確かさＵc(％）とする
と、Ｕc＝０.１４％となり、さらにこれに濃度値Ｃを乗
じた濃度値の不確かさの値ΔＣを計算し、この濃度値と
濃度値の不確かさの値が Ｃ±ΔＣ＝４０±０.０５６（mg／Ｌ） の形で表示される。At the same time, the square root of the sum of squares of U m , U b , and U f , which directly affects the concentration adjustment, is obtained from the uncertainties of weighing by each container, and this is used as the synthetic standard uncertainty associated with the standard sample adjustment. If the sample concentration of uncertainty U c (%), U c = next 0.14%, and further calculates the uncertainty of the value ΔC of the density values obtained by multiplying the density value C to, this density value and a density value The value of the uncertainty is displayed in the form of C ± ΔC = 40 ± 0.056 (mg / L).
【００４０】濃度値のかわりに機器に注入された目的物
質のモル数または質量を計算するには、標準試料アイコ
ンの右側に注入アイコンを追加する。To calculate the number of moles or mass of the target substance injected into the instrument instead of the concentration value, an injection icon is added to the right of the standard sample icon.
【００４１】このアイコンのプロパティのダイアログボ
ックスの成分タブに各成分について、量タブの注入量の
欄に注入する試料体積の値を入力し、単位の欄で体積の
単位を選択する。For each component, enter the value of the sample volume to be injected in the injection amount column of the amount tab in the component tab of the icon property dialog box, and select a unit of volume in the unit column.
【００４２】また、調整の詳細タブの分解能の欄にシリ
ンジの分解能の値を入力する。In addition, the value of the resolution of the syringe is entered in the resolution column of the adjustment details tab.
【００４３】さらに調整作業者名を作業者の欄の登録者
の中から選択する。オートサンプラを使用する場合には
［オートサンプラ］を選択する。Further, an adjustment operator name is selected from the registrants in the column of the operator. When using an autosampler, select [Autosampler].
【００４４】標準試料１を２０μＬ注入した場合、注入
量Ｉ（ng）は Ｉ＝Ｃ×Ｖi×ｍＳＦ×ＶＳＦ／ＣＦ； ＝４０×２０×１０6×１０-6／１＝８００（ng） 使用したシリンジの読み取り分解能が０.００１μＬ、
ばらつきが０.０１％とすると、これらの値と作業者Wor
ker１の熟練度によるばらつきの値０.０１％ から試料
注入の不確かさＵi が計算部においてWhen 20 μL of the standard sample 1 is injected, the injection amount I (ng) is I = C × V i × mSF × VSF / CF; = 40 × 20 × 10 6 × 10 -6 / 1 = 800 (ng) The reading resolution of the used syringe is 0.001 μL,
If the variation is 0.01%, these values and the worker Wor
From the variation value of 0.01% due to the skill level of ker1, the uncertainty of sample injection U i is calculated by the calculation unit.
【００４５】[0045]
【数４】 Ｕi＝√((０.００１／２０)2＋(０.０００１)2＋(０.０００１)2)×１００ ＝０.０１５(％) と計算される。U i = √ ((0.001 / 20) 2 + (0.0001) 2 + (0.0001) 2 ) × 100 = 0.015 (%)
【００４６】この試料注入の不確かさＵiと試料濃度の
不確かさＵc の二乗和の平方根より、試料成分の注入量
の不確かさＵq を求めると、From the square root of the sum of squares of the sample injection uncertainty U i and the sample concentration uncertainty U c , the uncertainty U q of the sample component injection amount is obtained.
【００４７】[0047]
【数５】 Ｕi＝√((０.１４)2＋(０.０１５)2)＝０.１４(％) となり、これに注入量Ｉを乗じた注入量値の不確かさの
値ΔＩを計算し、この注入量と注入量の不確かさの値が
Ｉ±ΔＩ＝８００±１.１２(ng）の形で表示される。U i = √ ((0.14) 2 + (0.015) 2 ) = 0.14 (%), and the uncertainty value ΔI of the injection amount value obtained by multiplying this by the injection amount I is After the calculation, the injection amount and the value of the uncertainty of the injection amount are displayed in the form of I ± ΔI = 800 ± 1.12 (ng).
【００４８】また、濃度値の信頼度の表示方法として、
有効数字桁数による表示を選択することも可能であり、
その場合は標準試料１のアイコンのプロパティの成分タ
ブにおいて有効桁による表示チェックボックスを指定
し、棄却検定の有意水準を危険率欄に入力すると、この
有意水準と濃度の不確かさＵc(％）より表示すべき桁数
を計算し、不確かさの値ΔＣを表示せずに、計算された
桁数の濃度値のみを表示する。As a method of displaying the reliability of the density value,
It is also possible to select the display by the number of significant digits,
In that case, specify the display check box using significant digits in the component tab of the property of the icon of the standard sample 1 and enter the significance level of the rejection test in the risk factor column. Then, the significance level and the concentration uncertainty U c (%) The number of digits to be displayed is calculated, and only the density value of the calculated number of digits is displayed without displaying the value of uncertainty ΔC.
【００４９】[0049]
【発明の効果】一連の試料調整手順における各調整量と
試料濃度の計算値に対する信頼性の度合いを国際規格に
則った形で、明確かつ定量的に評価できる。According to the present invention, it is possible to clearly and quantitatively evaluate the reliability of each adjustment amount and the calculated value of the sample concentration in a series of sample adjustment procedures in accordance with international standards.
【図１】本発明の基本構成である濃度計算方法のブロッ
ク図である。FIG. 1 is a block diagram of a density calculation method that is a basic configuration of the present invention.
【図２】本発明の一実施例である液体クロマトグラフ用
標準試料濃度計算装置の表示例を示す図である。FIG. 2 is a diagram showing a display example of a liquid chromatograph standard sample concentration calculator according to one embodiment of the present invention.
ｐ…試薬純度（％）、ｍ…秤量値、ｍＳＦ…単位変換フ
ァクタ。p: reagent purity (%), m: weighed value, mSF: unit conversion factor.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伊藤 正人 茨城県ひたちなか市大字市毛882番地 株 式会社日立製作所計測器事業部内 (72)発明者 出口 喜三朗 茨城県ひたちなか市堀口字長久保832番地 ２ 日立計測エンジニアリング株式会社内 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masato Ito 882 Momo, Oaza-shi, Hitachinaka-shi, Ibaraki Pref., Hitachi, Ltd. Instrumentation Division (72) Inventor Kisaburo Exit 832 Nagakubo, Horiguchi Horiguchi, Hitachinaka-shi, Ibaraki 2 Hitachi Measurement Engineering Co., Ltd.
Claims (6)
手順を指定し、原料物質の純度と各調整手順における調
整量（秤量値，定容量など）を入力する調整手順指定部
と、上記調整手順指定部において入力された原料物質の
純度および調整量を用いて標準試料の濃度を計算する計
算部と、上記調整手順指定部により入力された原料物質
の純度および各調整手順における調整量、および計算部
により計算された濃度値を表示する表示部からなる濃度
計算装置において、調整手順指定部において原料物質の
純度および各調整手順の調整量と同時にそれらの予想さ
れる不確かさの値を入力し、計算部において濃度値を計
算すると同時に、原料物質の純度および各調整手順の調
整量の不確かさの値を用いて濃度の不確かさを計算し、
表示部において各調整手順の調整量とそれらの不確かさ
の値を表示するとともに、上記計算部において計算され
た濃度値と濃度の不確かさを表示することを特徴とする
濃度計算装置。An adjustment procedure designating section for designating a raw material necessary for sample adjustment and a series of adjustment procedures, and inputting the purity of the raw material and the adjustment amount (weighing value, constant volume, etc.) in each adjustment procedure; A calculating unit that calculates the concentration of the standard sample using the purity and the adjustment amount of the raw material input in the adjustment procedure designating unit, and the purity of the raw material and the adjustment amount in each adjustment procedure input by the adjustment procedure designating unit , And a concentration calculation device comprising a display unit for displaying the concentration value calculated by the calculation unit, the adjustment procedure designating unit simultaneously adjusts the purity of the raw material and the adjustment amount of each adjustment procedure and the values of their expected uncertainties. Input, calculate the concentration value in the calculation unit, and at the same time, calculate the concentration uncertainty using the purity of the raw material and the uncertainty value of the adjustment amount of each adjustment procedure,
A concentration calculating device, wherein a display unit displays the adjustment amounts of the respective adjustment procedures and their uncertainty values, and also displays the density value and the density uncertainty calculated by the calculation unit.
記不確かさとは国際文書ＧＵＭ(Guide to the expressi
on of Uncertainty in Measurement）記載の不確かさで
あることを特徴とする濃度計算装置。2. The concentration calculating apparatus according to claim 1, wherein said uncertainty is an international document GUM (Guide to the expressi).
concentration calculation apparatus characterized by the uncertainty described in "on of Uncertainty in Measurement".
記不確かさの計算方法は上記ＧＵＭ記載の方法に準ずる
ことを特徴とする濃度計算装置。3. A concentration calculating apparatus according to claim 1, wherein said uncertainty is calculated according to the method described in GUM.
記の濃度の不確かさの計算過程において、調整作業者の
操作の熟練度を数値に反映可能なことを特徴とする濃度
計算装置。4. The density calculating apparatus according to claim 1, wherein the skill level of the operation of the adjusting operator can be reflected in the numerical value in the process of calculating the density uncertainty.
度表示の一つの方法として、濃度値に試料の注入体積を
乗じた、実際に分析機器に注入された目的物質のモル数
または質量による表示が選択可能なことを特徴とする濃
度計算装置。5. A concentration calculating apparatus according to claim 1, wherein one of the methods of displaying the concentration is based on the number of moles or mass of the target substance actually injected into the analytical instrument, which is obtained by multiplying the concentration value by the injection volume of the sample. A concentration calculation device characterized in that display can be selected.
記の濃度の不確かさのかわりに、従来の有効数字桁数に
よる数値の信頼度の表示が可能なことを特徴とする濃度
計算装置。6. A concentration calculating apparatus according to claim 1, wherein the reliability of the numerical value can be displayed by the number of significant figures in the related art instead of the uncertainty of the concentration.
Priority Applications (1)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27461398A JP3550502B2 (en) | 1998-09-29 | 1998-09-29 | Concentration calculator |
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| Publication Number | Publication Date |
|---|---|
| JP2000105229A true JP2000105229A (en) | 2000-04-11 |
| JP3550502B2 JP3550502B2 (en) | 2004-08-04 |
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ID=17544179
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27461398A Expired - Fee Related JP3550502B2 (en) | 1998-09-29 | 1998-09-29 | Concentration calculator |
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| Country | Link |
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| JP (1) | JP3550502B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017078665A (en) * | 2015-10-21 | 2017-04-27 | グリーンブルー株式会社 | Method of auto-calibrating ozonometer |
| CN108459126A (en) * | 2018-05-10 | 2018-08-28 | 吉林省水产科学研究院 | Internal standard curve method calculates the uncertainty evaluation method of Polychlorinated biphenyls content detection result in aquatic products |
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| CN108459126A (en) * | 2018-05-10 | 2018-08-28 | 吉林省水产科学研究院 | Internal standard curve method calculates the uncertainty evaluation method of Polychlorinated biphenyls content detection result in aquatic products |
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| Publication number | Publication date |
|---|---|
| JP3550502B2 (en) | 2004-08-04 |
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