Development of Karl Fischer Reagents

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Substance LPG Ethylene Propane Butadiene Flon gas R113 Spray cans 5. Coals, Tars Key Points Sample quantity (g) 23.24 40.06 L 6.50 16.63 7.97 6.26 Titration quantity (µg) 253 55 280 120 234 1008 Chapter III: Applications - 2 Moisture content (ppm) 11 1.7 43 7.2 29 161 The moisture content of coals is normally measured using a moisture vaporization system. Measurements can be obtained using either volumetric or coulometric titration. Tars are subjected to Karl Fischer titration using the moisture vaporization system designed for oils. [Examples of Measurement] (1) Volumetric titration Reagents used: Karl Fischer Reagent SS-Z (or SS) Dehydrated Solvent GEX, OL II (or MS, CM) 25-50ml Substance Brown coal Coal tar Dehydrated solvents General-use Oil-type Sample Quantity (g) 0.0389 0.1619 Measurement Value (mg) 4.38 7.30 Moisture Content (%) 11.3 04.5 (2) Moisture vaporization - Volumetric titration Reagents used: Karl Fischer Reagent SS-X (or SS) Dehydrated Solvent GEX (or MS) + PG (3:1) 50-100ml Substance Heating Temperature ( � C) Sample Quantity (g) Measurement Value (mg) Moisture Content (%) Powdered coal 150 0.1262 5.76 4.56 141
III-1. Industrial Products (3) Moisture vaporization - Coulometric titration Reagents used: Aquamicron AX (or AS) 150ml Aquamicron CXU 10ml 142 Substance Brown coal Powdered coal Coal tar Coke Pitch tar Heating Temperature ( � C) 110 130 150 500 180 Sample Quantity (g) 0.0497 0.2509 0.1114 0.0448 0.4892 Measurement Value (µg) 5456 1188 4718 1813 335 Moisture Content (%) 11.0 0.473 4.24 4.05 685ppm
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Introduction The methods used to an
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eagents and analytical methods. As
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5. Officiak Testing Methods and Doc
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8 6.Goument Foods, etc. III-3.Pharm
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Chapter I: Basic Knowledge Chapter
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Chapter I: Basic Knowledge at a tim
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following formula: Chapter I: Basic
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[Procedures] Chapter I: Basic Knowl
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Chapter I: Basic Knowledge electrod
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! Electrolysis cell Titration syste
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1. Karl Fischer Reagent SS-Z, SS Ch
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! Helpful hint - 4 Chapter I: Basic
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[Characteristics] Chapter I: Basic
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[Characteristics] [Applications] Ch
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[Characteristics] [Applications] Ch
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Chapter I: Basic Knowledge a) No es
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2. Electrolytes for use with Ketone
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3. Applicability of Karl Fischer Ti
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Q9 Chapter I: Basic Knowledge What
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Chapter I: Basic Knowledge Na2S2O5+
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Chapter I: Basic Knowledge (3) Sila
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Chapter I: Basic Knowledge Measurin
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[Procedures] Chapter I: Basic Knowl
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Chapter I: Basic Knowledge (3) Usin
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Q12 Chapter I: Basic Knowledge How
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Silicon rubber Figure 6: Sampling S
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Chapter I: Basic Knowledge (2) Syri
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Chapter I: Basic Knowledge (1) Upri
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Aquamicron CXU 5. Official Testing
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2. Japan Pharmaceutical Codex (Revi
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5. Japan LPG Association Standards
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Chapter I: Basic Knowledge Part 2:
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Chapter I: Basic Knowledge 6. Impor
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Chapter II: Applications - 1 Chapte
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Chapter II: Applications - 1 Chapte
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Chapter II: Applications - 1 [Examp
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Examples of substances that can be
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Chapter II: Applications - 1 [Examp
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(2) Coulometric titration Reagents
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7. Aldehydes Key Points Chapter II:
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Chapter II: Applications - 1 1) Sam
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8. Organic Acids Key Points Chapter
Page 92 and 93: (2) Coulometric titration Reagents
Page 94 and 95: 10. Organic Acid Salts Key Points C
Page 96 and 97: Chapter II: Applications - 1 [Examp
Page 98 and 99: Chapter II: Applications - 1 Substa
Page 100 and 101: Substance pKa Sample quantity (g) C
Page 104 and 105: Substance Semicarbazide hydrochlori
Page 106 and 107: 17. Acid Anhydrides Key Points Chap
Page 108 and 109: 20. Peroxides Key Points Chapter II
Page 110 and 111: [Examples of Measurement] (1) Volum
Page 112 and 113: Chapter II: Applications - 1 1-Phen
Page 114 and 115: 1. Metals and Simple Substances Key
Page 116 and 117: 2. Inorganic Acids Key Points Chapt
Page 118 and 119: Chapter II: Applications - 1 b) Tit
Page 120 and 121: Substance Calcium hydroxide " Magne
Page 122 and 123: 5. Halides (halogenides) Key Points
Page 124 and 125: Substance Potassium chloride " Lith
Page 126 and 127: 7. Sulfates, Sulfites Key Points Ch
Page 128 and 129: 8. Other Salts Key Points Chapter I
Page 130 and 131: 9. Inorganic Gases Key Points Chapt
Page 132 and 133: Chapter III: Applications - 2 Chapt
Page 134 and 135: Chapter III: Applications - 2 Chapt
Page 136 and 137: 2. Agricultural Chemicals Key Point
Page 140 and 141: Chapter III: Applications - 2 (4) C
Page 144 and 145: 6. Petroleum Products Key Points Ch
Page 146 and 147: Substance Dehydrated solvents [Insu
Page 148 and 149: 7. Plastics Key Points Chapter III:
Page 150 and 151: [Examples of Measurement] (1) Moist
Page 152 and 153: Raw rubber NR SBR BR CR NBR Vulcani
Page 154 and 155: Substance 10. Dyestuff Intermediate
Page 158 and 159: Chapter III: Applications - 2 such
Page 160 and 161: Chapter III: Applications - 2 (2) M
Page 162 and 163: Substance Epoxy resins (powder) Iso
Page 164 and 165: (4) Moisture vaporization - Coulome
Page 166 and 167: Substance Sample Quantity (g) Measu
Page 168 and 169: III-2. Foodstuffs Chapter III: Appl
Page 172 and 173: 2. Cereals and Dried Vegetables Key
Page 174 and 175: 3. Sugars and Condiments Key Points
Page 176 and 177: Chapter III: Applications - 2 [Exam
Page 178 and 179: Substance Heating Temperature ( �
Page 182 and 183: Chapter III: Applications - 2 [Exam
Page 184 and 185: Substance Dehydrated solvents Sampl
Page 186 and 187: Substance Dehydrated solvents Sampl
Page 190 and 191: 2. Natural Products Key Points Subs
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Chapter IV: List of Karl Fischer Re
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ChapterV: Summary of Selection Proc
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Index 202
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Index B: Bakelite paper ��
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Index Cyclohexanol ��
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Index (L-) Histidine ��
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Index (p-) Nitrophenol ��
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Index Sodium 5'-guanylate ��
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216
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218 copyright©2004by API Corporati
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Printed in Japan Rev. 3
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Development of Karl Fischer Reagents

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