JP2009520205A - 近紫外吸光スペクトロメーターとそれを使用するための方法 - Google Patents
近紫外吸光スペクトロメーターとそれを使用するための方法 Download PDFInfo
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Abstract
Description
S.Epton、Nature、160、795(1947)S.Epton、Trans、Faraday Soc.、44、226(1948)
E = E´ 0 + k・log(C)。この式において、kは比例係数で、25°Cにおいて、一価イオンに対する10濃度ごと、理想的には59 mVである。QACの滴定は、滴定剤として硫酸ドデシルナトリウムなどの陰イオン界面活性剤を使うことができる。滴定剤量対ISE電圧のプロットは、滴定の最終点における変局点を与える。
本発明における前記の、そして追加される機能と特徴は、添付される図を参照に検討された以下の詳細な説明から、より明らかとなるであろう。図中で、類似した参照の数字は、類似した要素を示す。
y = 178.16 ・ x − 14.608 ・ x2 + 0.5726 ・ x3 − 0.0081 ・ x4
Cquat = 2852 ・ Z(s)・ ( 1 − 0.042・ Z(s)2 )
Z(s) = ( D254(s) − 2.62 ・ D280(s) + 1.62 ・ D296(s) )
Cquat = 2450・ ( D259(s) − D275(s) )
Ccomp = Cmeas − Kt ・ Ut(s)
Claims (32)
- 筐体と、制御器と、センサーユニットと、
を有するUV吸光スペクトロメーターであって、
該センサーユニットは、紫外光源、解析セル内の又は流水若しくは気体媒体内の解析エリア、UV検出器を含むUV波長分離器を有し、
200−320 nmの波長レンジ内の紫外光は、前記光源から放射され、前記解析エリアを経て、前記波長分離器に至り、
前記制御器は、前記UV検出器からの出力信号を、前記波長レンジ内の2つ以上の波長における吸光度値又は光学密度に変換し、該吸光度値又は光学密度の差分を計算し、化学物質の既知の濃度に対し求められる校正定数、及び該吸光度値あるいは光学密度の該差分を用いて溶液内の該化学物質の濃度を決定する、UV吸光スペクトロメーター。 - 前記化学物質が殺生物剤である、請求項1に記載のUV吸光スペクトロメーター。
- 前記溶液が殺菌溶液であり、前記化学物質がクアットである、請求項1に記載のUV吸光スペクトロメーター。
- 前記紫外光源が、ガス放電ランプ、水銀ランプ、重水素ランプ、金属蒸気ランプ、発光ダイオード、又は複数の発光ダイオードである、請求項1に記載のUV吸光スペクトロメーター。
- 前記紫外光源が、およそ254 nmの主線をもつ低圧水銀ランプ、あるいはクリプトンガス放電ランプである、請求項1に記載のUV吸光スペクトロメーター。
- 前記紫外光源の強度を監視するためのその他の紫外検出器を更に有する、請求項1に記載のUV吸光スペクトロメーター。
- 前記解析セルが、サンプルセル、フローセル、又はオープンパス型セルである、請求項1に記載のUV吸光スペクトロメーター。
- 前記筐体が第1のシリンダーと第2のシリンダーを有し、
該第1のシリンダーが、前記UV光源と、前記UV光源により放射された前記光を前記解析エリアに向かい方向付け、焦点を合わせるための第1の光学手段を収容し、
該第2のシリンダーが、前記UV検出器と、前記解析エリアを通過した前記光を前記UV検出器に向かい方向付け、焦点を合わせるための第2の光学手段を収容し、
該第1と第2のシリンダーの軸が平行であると同時に、解析エリア内のパスを伝送する前記光に垂直となるよう設けられる、請求項1に記載のUV吸光スペクトロメーター。 - 前記第1の光学手段が第1のプリズムミラーを有し、前記第2の光学手段が第2のプリズムミラー、2つのレンズ、及び2つのスペーサーを有する、請求項8に記載のUV吸光スペクトロメーター。
- 濁りを測定するためにその他のUV検出器を更に有し、それは前記筐体内部の前記第1のシリンダーと第2のシリンダーの間、前記解析エリアのすぐ上に位置し、それにより前記解析エリアからの散乱された放射を受光する、請求項8に記載のUV吸光スペクトロメーター。
- 前記UV波長分離器が、罫線又はホログラフィックの回折格子、可変UV波長線形干渉フィルター、あるいは複数のUV干渉フィルターを更に有する、請求項8に記載のUV吸光スペクトロメーター。
- 前記UV波長分離器が、入力スリット、球面ミラー、及び前記罫線の回折格子を有する、請求項11に記載のUV吸光スペクトロメーター。
- 前記入力スリットが、前記第2のシリンダーの前記軸と対称的に設けられ、
前記UV検出器の受光面が、前記第2のシリンダーの前記軸に垂直に位置し、
前記球面ミラーの中心が、前記第2のシリンダーの前記軸と一直線上となると同時に、前記球面ミラーの底面が、前記第2のシリンダーの前記軸から20°の角度に位置し、
前記回折格子の中心が前記球面ミラーの該中心に対応し、これにより前記回折格子が、異なる波長のUV光を異なる角度で反射し、前記UN検出器上に線形スペクトルを生成する、請求項12に記載のUV吸光スペクトロメーター。 - 前記制御器が、電力源、メモリー、ディスプレイ、及びキーパッドを有する制御器ユニット内に含まれる、請求項1に記載のUV吸光スペクトロメーター。
- 前記UV検出器は、線形検出器アレイであり、前記UV波長分離器は、平面ミラー、非点収差/トロイダルミラー、可変波長光学UVフィルター、一対のUVフィルター取り付け、及び入力ダイヤフラムを有する、請求項11に記載のUV吸光スペクトロメーター。
- 前記入力ダイヤフラムが、前記第2のシリンダーの前記軸と対称的に設けられ、
前記線形検出器アレイの受光面が、前記第2のシリンダーの前記軸に垂直に位置し、
前記平面ミラーの中心が、前記第2のシリンダーの前記軸と一直線上となると同時に、前記平面ミラーの底面が、前記第2のシリンダーの前記軸から20°の角度に位置し、
前記非点収差/トロイダルミラーの中心が前記平面ミラーの該中心に対応し、これにより前記平面ミラーが前記入力ダイヤフラムからのUV光を前記非点収差/トロイダルミラーに方向付け、前記非点収差/トロイダルミラーは、円形入力ダイヤフラムからの光を前記線形検出器アレイの感光面上のラインに変換する、請求項15に記載のUV吸光スペクトロメーター。 - 前記UV波長分離器が、光学的に不透明な壁、正レンズ、4つの光学フィルター、および4つのUV検出器を有する、請求項8に記載のUV吸光スペクトロメーター。
- 前記4つの光学フィルターは、45°角度に対し288 nmで最大送信を有する第1の光学フィルター、45°角度に対し296 nmで最大送信を有する第2の光学フィルター、45°角度に対し312.5 nmで最大送信を有する第3の光学フィルター、45°角度に対し365 nmで最大送信を有する第4の光学フィルターを有し、
前記5つのUV検出器は、288 nmにおいてUV強度を測定するための第1のUV検出器、296 nmにおいてUV強度を測定するための第2のUV検出器、312.5 nmにおいてUV強度を測定するための第3のUV検出器、365 nmにおいてUV強度を測定するための第4のUV検出器、254 nmにおいてUV強度を測定するための第5のUV検出器を有する、請求項17に記載のUV吸光スペクトロメーター。 - 前記光学フィルターの各々が干渉フィルターであり、狭い周波数バンドを選択するために、複数の反射と干渉を使用するため、2つの準反射コーティング間に置かれた薄く透明なスペーサを有する、請求項17に記載のUV吸光スペクトロメーター。
- 前記第1の光学フィルターの中心が、前記第2のシリンダーの前記軸と一直線となると同時に、前記第1の光学フィルターの本体が、前記第2のシリンダーの前記軸から45°の角度に位置し、
前記第2の光学フィルターが、前記第1の光学フィルターと平行に位置し、その中心は、前記第1の光学フィルターの該中心に対応し、
前記正レンズの本体が、前記第2のシリンダーの前記軸と垂直に設けられ、その中心は、前記第2の光学フィルターの該中心に対応し、
前記第3の光学フィルターが、前記第2の光学フィルターと垂直に位置し、その中心は、前記第2の光学フィルターの該中心並びに前記正レンズの該中心に対応し、
前記第4の光学フィルターが、前記第3の光学フィルターと平行に位置し、その中心は、前記第3の光学フィルターの該中心に対応し、
前記5つのUV検出器の各々は、各光学フィルターから45°の角度に位置し、その中心は、前記各光学フィルターの該中心に対応する、請求項18に記載のUV吸光スペクトロメーター。 - 前記第1と第2の光学手段が、軸外し放物面ミラーを有する、請求項8に記載のUV吸光スペクトロメーター。
- 更にセンサーコネクターを有し、前記制御器は、壁掛け式制御器ユニットを内に含まれ、前記センサーユニットは、殺菌チャンバ内に浸されるための浸透式センサーユニットであり、該センサーコネクターは、前記制御器ユニットと前記センサーユニットを接続する、請求項1に記載のUV吸光スペクトロメーター。
- UV殺菌において前記殺菌チャンバの壁上に位置付けられたUVランプを伴うクオーツスリーブの集合を更に有する、請求項22に記載のUV吸光スペクトロメーター。
- 前記UV検出器が、UVフォトダイオード、UV光電子増倍管、CCDアレイ、あるいはフォトダイオードアレイを有するUVアレイ検出器である、請求項1に記載のUV吸光スペクトロメーター。
- 溶液又は流水又は気体媒体内の化学物質濃度を測定するための方法であって、
サンプルチャンバを備えるUVスペクトロメーターを提供し、該近UVスペクトロメーターは、200−320 nmの波長レンジ内の光を放射する紫外光源、UV検出器を有するUV波長分離器、制御器を有し、
前記サンプルチャンバ内部に液体又は気体媒体を提供し、
前記波長内の2つ以上の波長に対する値又は光学密度を測定するために前記UVスペクトロメーターを使用し、
該吸光度値又は光学密度の差分を計算し、前記化学物質の既知の濃度に対し求められる校正定数、及び該吸光度値又は光学密度の該差分を用いて前記サンプルチャンバ内の前記化学物質の濃度を決定するために、前記制御器をプログラミングする、ことを有する方法。 - 前記液体又は気体媒体の濁度を測定し、前記決定された化学物質濃度に対する濁度の影響を補償することを更に有する、請求項25に記載の方法。
- 前記サンプルチャンバをUV光で殺菌することを更に有する、請求項25に記載の方法。
- 前記UV光源の強度を監視することを更に有する、請求項25に記載の方法。
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Also Published As
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AU2006333401B2 (en) | 2011-04-07 |
JP3185875U (ja) | 2013-09-05 |
US7372039B2 (en) | 2008-05-13 |
WO2007078505A2 (en) | 2007-07-12 |
AU2006333401A1 (en) | 2007-07-12 |
US20070138401A1 (en) | 2007-06-21 |
EP1969345A4 (en) | 2012-08-29 |
CA2633716A1 (en) | 2007-07-12 |
CA2633716C (en) | 2011-08-09 |
WO2007078505A3 (en) | 2008-12-31 |
CN101449144A (zh) | 2009-06-03 |
BRPI0620149B1 (pt) | 2018-04-10 |
CN101449144B (zh) | 2012-01-04 |
EP1969345A2 (en) | 2008-09-17 |
BRPI0620149A2 (pt) | 2011-11-01 |
EP1969345B1 (en) | 2020-10-28 |
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