Processing kodak motion picture films, module 3 analytical procedures

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CALCULATIONS g/L PBA-1 = (mLs AgNO3 )(NAgNO3 ) (eq. wt. of PBA-1) mL sample Where: eq. wt. of PBA-1 = 220.2eq. wt. of PBA-1g/equivalent If mL 0.0499 N silver nitrate = 15.24 mLs (15.24) (0.0499) (220.2) g/L PBA-1 = mL sample g/L PBA-1 = 3.35 4 Processing KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03
Titrimetric Determination of Persulfate in ECP-2 Persulfate Bleach ECP-0026/1 INTRODUCTION This method is based upon the oxidation of ferrous ion by persulfate in an acid solution at room temperature. A known excess of ferrous ion is added to the sample and the residual ferrous ion is titrated with standardized sulfato cerate. A blank determination should be run daily because ferrous solutions are slowly oxidized by air during use. Use of this method requires handling potentially hazardous chemicals. Material Safety Data Sheets (MSDS) should be consulted for each chemical before use. These can be obtained from each chemical supplier. PRECISION AND BIAS Repeatability Standard Deviation, 1sr and 95 Percent Confidence Estimate (not including Bias) Repeatability standard deviation is an estimate of the variability one trained analyst should be able to obtain under favorable conditions (analyzing a sample, with one instrument, within one day). The 95 percent confidence estimate (calculated using the repeatability standard deviation) around a single test result will include the mean value 95 percent of the time. To obtain the repeatability data, a single skilled analyst performed five (5) replicates on each of the following solutions during methods development. 1. A “fresh” Persulfate bleach tank solution prepared with all components at their respective “working tank” aim concentrations. 2. A “seasoned” Persulfate bleach tank solution analyzed as received, at 30.30 g/L Na2S2O8. 3. The same “seasoned” solution as in number 2, above, reanalyzed after making an analytically weighed, standard addition of 8.6150 g/L Na2S2O8. Sample “Fresh” (prepared at 33.13 g/L) “Seasoned” as Received “Seasoned” plus Standard Addition Mean g/L Na 2 S 2 O 8 Na 2 S 2 O 8 N Repeatability Standard Deviation, 1s r g/L Na 2S 2O 8 95 Percent Confidence Estimate g/L Na 2S 2O 8 32.26 5 0.049 ± 0.14 30.30 5 0.139 ± 0.39 38.51 5 0.065 ± 0.18 Bias Bias is a statistically significant deviation of the mean from the known mix level at a 95 percent confidence level. It is determined for fresh samples only. Bias is not determined for seasoned samples, since the component concentration level was not determined independent of the test method. A bias of – 0.87 g/L Na 2 S 2 O 8 was found to be statistically significant at the 95 percent confidence level, however it was judged not to be practically significant. Recovery Recovery is used for seasoned samples, since the component concentration level was not determined independently of the test method. It is defined as the calculated mean for the seasoned sample with a standard addition of the component minus the mean for the seasoned sample, divided by the actual amount of the standard addition. It is expressed as a percentage. Statistically the recovery of 95.30 percent was significantly different from 100 percent at the 95 percent confidence level, but it was judged not to be practically significant. Processing KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03 1
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©Eastman Kodak Company, 1999 Proce
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ECP-2-1101 Ferrocyanide in Ferricya
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3 Analytical Procedures for Chemica
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Spectrophotometric Determination of
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Potentiometric Determination of Bro
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PROCEDURE B For Seasoned Tank and R
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APPARATUS All volumetric glassware
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APPARATUS All pipettes and volumetr
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Potentiometric Determination of Amm
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PROCEDURE A. Sample Treatment 1. Pi
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Titrimetric Determination of Buffer
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Buffering Capacity Determination of
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Titrimetric Determination of EASTMA
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VISUAL TITRATION STATISTICS Repeata
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Back-Extraction of the Developing A
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Potentiometric Determination of Fer
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Recovery Recovery is used instead o
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CALCULATIONS For Na3Fe(CN) 6 g/L Na
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Cerimetric Determination of Sodium
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Potentiometric Determination of Fer
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Bias Bias is a statistically signif
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APPARATUS Pipet (40-mL) Graduated C
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B. Analysis of Standards 1. Run eac
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Determination of Ferrous Iron in EA
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PROCEDURE Blank 1. Set a double-bea
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APPENDIX B This appendix contains t
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Titrimetric Determination of Hypo I
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B. Thiosulfate Determination 1. Sam
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Example Potentiometric Calculations
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APPARATUS Double Beam Spectrophotom
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APPENDIX II This appendix contains
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Calculations a. Range: 0.5-2.5 g/L
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APPENDIX 2 Typical Absorptivity mL
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APPARATUS All volumetric glassware
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Procedure Preparation of 10 g/L Iro
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Determination of Total Iron in East
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Determination of Total Iron in East
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Determination of Total Iron in EAST
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12. Press ‘ZERO’. The instrumen
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PROCEDURE A. Spectrophotometer Zero
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Absorptivity of Iron-Thiocyanate Co
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Potentiometric Determination of Unc
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Potentiometric Determination of Kod
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Titrimetric Determination of Persul
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APPARATUS Conical Flask with stoppe
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Potentiometric Determination of Sil
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APPARATUS METROHM 536 Titrator or e
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Potentiometric Determination of Sod
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PROCEDURE Treatment of the Sample 1
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Iodometric Determination of Sodium
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Determination of Sodium Sulfite in
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Procedure Treatment and Titration o
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Iodometric Determination of Sulfite
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Page 127 and 128: Automated Titration An example of a
Page 129 and 130: Buffering Capacity Determination of
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Page 133 and 134: Titrimetric Determination of EASTMA
Page 135 and 136: VISUAL TITRATION STATISTICS Repeata
Page 137 and 138: Titration of the Developing Agent w
Page 139 and 140: Cerimetric Determination of CD-2 Co
Page 141 and 142: Cerimetric Determination of KODAK C
Page 143 and 144: Back-Extraction of CD-2 1. Add 50 m
Page 145 and 146: Potentiometric Determination of Fer
Page 147 and 148: Recovery Recovery is used instead o
Page 149 and 150: CALCULATIONS For Na3Fe(CN) 6 g/L Na
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Page 155 and 156: Spectrophotometric Determination of
Page 157 and 158: Hydroquinone in Sound Track Develop
Page 159 and 160: Titrimetric Determination of Hypo I
Page 165 and 166: B. Thiosulfate Determination 1. Sam
Page 167 and 168: Examples: Titration mL 0.1 N Na 2S
Page 169 and 170: Potentiometric Determination of Pot
Page 171 and 172: APPARATUS All volumetric glassware
Page 173 and 174: Potentiometric Determination of Kod
Page 175: PROCEDURE A. Preparation of Sample
Page 179 and 180: APPARATUS Conical Flask with stoppe
Page 181 and 182: Determination of the pH of the East
Page 183 and 184: Determination of the pH of Processe
Page 185 and 186: Potentiometric Determination of Sil
Page 187 and 188: APPARATUS METROHM 536 Titrator or e
Page 189 and 190: Determination of Sodium Metabisulfi
Page 191 and 192: II. Visual Endpoint Titrations A. R
Page 193 and 194: APPARATUS METROHM 536 Titrator or e
Page 195 and 196: Viscosity Determination of Sound-Tr
Page 197 and 198: Titrimetric Determination Of Benzyl
Page 199 and 200: Potentiometric Determination of Bro
Page 201 and 202: PROCEDURE B For Seasoned Tank Note:
Page 203 and 204: Potentiometric Determination of Bro
Page 205 and 206: CALCULATIONS mL AgNO 3 that would b
Page 207 and 208: Titrimetric Determination of Buffer
Page 209 and 210: Potentiometric Determination of Kod
Page 213 and 214: Titrimetric Determination of Citraz
Page 215 and 216: Potentiometric Determination of Eth
Page 217 and 218: Titrimetric Determination of Ferric
Page 219 and 220: Iodometric Determination of Ferricy
Page 223 and 224: Iodometric Determination of Formali
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Titrimetric Determination of Hypo I
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Potentiometric Determination of Iod
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Potentiometric Determination of Pot
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Titration Note: For preparation of
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Titrimetric Determination of Persul
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APPARATUS Spectrophotometer with a
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APPENDIX B Effect of Temperature in
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Potentiometric Determination of Sil
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Potentiometric Determination of Sod
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Iodometric Determination of Total S
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Titrimetric Determination of Total
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Table 2 Contribution of Constituent
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Determination of Sulfite in KODAK R
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CALCULATIONS Na2SO3 , g/L = (mL B -
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Colorimetric Determination of Thioc
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APPENDIX A Calibration of Spectroph
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Analysis Order for Photographic Pro
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Procedure for Electroplating a Silv
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The Selection, Care, and Use of Vol
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In observing the lowest point on th
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4. Graduated Cylinders and Tip-up P
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6. Microburets Microburets equipped
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Table 1 Required Tolerance for Volu
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pH Measurement of Photographic Proc
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Temperature Equilibration All sampl
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Low-range pH Measurements (pH 1-7)
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Preparation of Control Buffers 1. p
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Standardization of pH Meter - Low p
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Reference Electrode Care/Rejuvenati
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Potentiometric Titrations for Photo
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difference corresponds to the poten
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Determination of Residual Thiosulfa
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APPENDIX A Calibration Procedure Th
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Determination of Silver in Thiosulf
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Note: The appropriate amounts of 0.
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The Determination of Specific Gravi
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Instructions for Performance Checks
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Processing KODAK Motion Picture Fil
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