JP6212957B2 - シリカ濃度測定方法 - Google Patents
シリカ濃度測定方法 Download PDFInfo
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- JP6212957B2 JP6212957B2 JP2013109965A JP2013109965A JP6212957B2 JP 6212957 B2 JP6212957 B2 JP 6212957B2 JP 2013109965 A JP2013109965 A JP 2013109965A JP 2013109965 A JP2013109965 A JP 2013109965A JP 6212957 B2 JP6212957 B2 JP 6212957B2
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シリカ濃度250mg/Lのシリカ含有水と、それを超純水で希釈した種々のシリカ濃度の水とについて、本発明方法に従ってシリカ濃度を測定した。
Claims (2)
- 水系中のシリカの濃度を測定する方法であって、モリブデン酸イオン含有液体試薬を封入した測定セルへ前記水系から採取した検水を注入後、攪拌してシリカと反応させその発色において測定する方法において、該測定セルに封入する該液体試薬中のモリブデン酸イオンの濃度が0.01〜2%であり、
シリカ濃度が500mgSiO 2 /L以下である水を希釈することなくシリカ濃度の測定を行うことを特徴とするシリカ濃度測定方法。 - 波長が350〜500nmの可視光線を照射して吸光度又は透過率を測定することを特徴とする請求項1に記載のシリカ濃度測定方法。
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JP2013109965A JP6212957B2 (ja) | 2013-05-24 | 2013-05-24 | シリカ濃度測定方法 |
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JP2013109965A JP6212957B2 (ja) | 2013-05-24 | 2013-05-24 | シリカ濃度測定方法 |
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JP2014228468A JP2014228468A (ja) | 2014-12-08 |
JP6212957B2 true JP6212957B2 (ja) | 2017-10-18 |
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Families Citing this family (1)
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JP6531483B2 (ja) * | 2015-05-14 | 2019-06-19 | 栗田工業株式会社 | 溶存成分の濃度測定装置及び方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0760153B2 (ja) * | 1989-03-28 | 1995-06-28 | 東レ株式会社 | ケイ酸イオンの分析方法および装置 |
JPH03220452A (ja) * | 1990-01-25 | 1991-09-27 | Horiba Ltd | アンモニアまたは水酸化ナトリウムと共存の過酸化水素定量法 |
JPH04110663A (ja) * | 1990-08-31 | 1992-04-13 | Fuji Photo Film Co Ltd | 尿中銅イオン検出用試薬組成物及び検出要素 |
JPH06174713A (ja) * | 1992-12-10 | 1994-06-24 | Meidensha Corp | 有機酸とアンモニア及びリン濃度の同時測定方法 |
WO1998003265A1 (fr) * | 1996-07-18 | 1998-01-29 | Kyoritsu Chemical-Check Lab., Corp. | Recipient a reactif tenant dans un bouchon, pour reactifs d'analyse |
JP3920110B2 (ja) * | 2002-02-08 | 2007-05-30 | アルフレッサファーマ株式会社 | 遊離脂肪酸(nefa)の測定用液状試薬 |
US7244620B2 (en) * | 2003-12-24 | 2007-07-17 | Daiichi Pure Chemicals Co., Ltd. | Method for quantitatively determining a reducing substance and a reagent for quantitative determination |
JP4894445B2 (ja) * | 2006-10-10 | 2012-03-14 | Jnc株式会社 | カルシウムの定量方法、およびカルシウム定量キット |
US20100129260A1 (en) * | 2007-05-01 | 2010-05-27 | Yoshiaki Shirasawa | Gelation measuring apparatus and sample cell |
JP2008306930A (ja) * | 2007-05-15 | 2008-12-25 | Miura Co Ltd | 大腸菌群検査用培地、該培地の製造方法及び大腸菌群の判定方法 |
JP5169809B2 (ja) * | 2008-12-26 | 2013-03-27 | 三浦工業株式会社 | シリカ濃度測定方法 |
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