Processing kodak motion picture films, module 3 analytical procedures

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Absorbance Measurement Measure the absorbance of the dilution with the spectrophotometer at 345 nm (A34s). Use the hydrogen lamp. See instructions given in Method ULM-0001/1, Instructions for Performance Checks of Ultraviolet-Visible Spectrophotometers and Quartz Cells. Calculations Citrazinic acid, g/L = 2.53(A 345 ) + 0.09 2 <strong>Processing</strong> KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03
Titrimetric Determination of Citrazinic Acid in Reversal Color Developers ECR-1612 Process ECN-2 ECP-2D VNF-1/LC RVNP Formulas — — DR-150/151 DR-150 PRINCIPLE The citrazinic acid is removed from solution by precipitation with acid. Celite is added to aid the precipitation by acting as a collecting agent. A known excess of sodium hydroxide is added, and a portion of it reacts with an equivalent amount of the precipitate. The excess hydroxide is then titrated with sulfuric acid. This method requires handling potentially hazardous chemicals. Consult the Material Safety Data Sheet for each chemical before use. MSDS's are available from your chemical supplier. RELIABILITY The calibration equations were calculated by the method of least squares from the data obtained by three analysts who analyzed four laboratory standard mixes of each developer. The range of calibration for developers is from 1.00 to 2.00 g/L citrazinic acid. Based on 12 analyses, the 95 percent confidence limits for an individual determination are ± 0.07 g/L citrazinic acid in the developers. SPECIAL APPARATUS Millipore filter holder, Pyrex, Catalog No. XX 1004700, Millipore Corp., Bedford, Mass. 01730 984H Ultra filter, glass paper 4.25 cm, H. Reeve Angel & Co., Inc., 9 Bridewell Place, Clifton, N. J. Note: Use pipets and volumetric glassware meeting the “Class A” definition by the National Institute of Standards and Technology (NIST). REAGENTS Use ACS Reagent Grade reagents unless specified otherwise. Celite filter-aid 7.0 N Sulfuric Acid, H 2 SO 4 Foamex 0.10 N Sodium Hydroxide, NaOH (standardized to 4 decimal places) Meta Cresol Purple indicator 0.10 N Sulfuric Acid, H 2 SO 4 (standardized to 4 decimal places) PROCEDURE Precipitation 1. Add 3 to 4 g of Celite to a 400-mL beaker. 2. Pipet 100.0 mL of sample into the beaker. 3. Add 10 mL of 7.0 N sulfuric acid from a tip-up pipet. 4. Stir on a magnetic stirrer for 15 minutes. Filtration 1. Prepare a filtration setup using a Millipore filter holder and a 500-mL filtering flask. Place the glass-fiber filter paper in the filter holder. 2. After 15 minutes have elapsed, apply full suction. Transfer the mixture onto the filter paper using a glass rod; filter the solution. (The precipitate will be easier to wash if it does not collect on the holder.) Retain the stirring bar in the beaker by placing a second bar on the outside of the beaker. 3. Rinse the beaker, stirring bar, and glass rod with two 10 mL portions of distilled water. Transfer each rinse to the Millipore holder. 4. Disconnect the aspirator filter assembly and discard the filtrate. Rinse the flask and the tip of the Millipore holder three times with distilled water. Discard the rinses. <strong>Processing</strong> 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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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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Potentiometric Determination of Tot
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Automated Titration An example of a
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Titrimetric Determination of EASTMA
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VISUAL TITRATION STATISTICS Repeata
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Titration of the Developing Agent w
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Cerimetric Determination of CD-2 Co
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Cerimetric Determination of KODAK C
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Back-Extraction of CD-2 1. Add 50 m
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CALCULATIONS For Na3Fe(CN) 6 g/L Na
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Bias Bias is a statistically signif
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Hydroquinone in Sound Track Develop
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Titrimetric Determination of Hypo I
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Page 167 and 168: Examples: Titration mL 0.1 N Na 2S
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Page 171 and 172: APPARATUS All volumetric glassware
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Page 175 and 176: PROCEDURE A. Preparation of Sample
Page 177 and 178: Titrimetric Determination of Persul
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
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Page 217 and 218: Titrimetric Determination of Ferric
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Page 251 and 252: Table 2 Contribution of Constituent
Page 253 and 254: Determination of Sulfite in KODAK R
Page 255 and 256: CALCULATIONS Na2SO3 , g/L = (mL B -
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Page 259 and 260: APPENDIX A Calibration of Spectroph
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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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