Processing kodak motion picture films, module 3 analytical procedures
Processing kodak motion picture films, module 3 analytical procedures Processing kodak motion picture films, module 3 analytical procedures
C. Calculation: Where: KI, g/L = (mL AgNO 3 )(NAgNO 3 ) (millieq. wt. KI) 0.00833 L Sample NAgNO 3 = Normality of N AgNO 3 in meq/mL milliequivalent wt = 0.16601 g/meq KI Example: KI, g/L = (5.77mLAgNO 3) (0.0050 N AgNO 3) (0.16601) 0.00833 L Sample = 0.57 Figure 1 Example Potassium Iodide Titration Curve of ECP-2 Fixer Bath 150 mV 8 7 6 5 4 3 2 1 mL 0.005 N AgNO 3 F002_1145GC 4 Processing KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03
Potentiometric Determination of Kodak PBA-1 in Eastman Color Print -2 Bleach Accelerator ECP-0027-01 INTRODUCTION Strong base is added to the sample to hydrolyze the KODAK persulfate bleach accelerator PBA-1 to a titratable mercaptan. The PBA-1 content is measured by means of a potentiometric titration with silver nitrate titrant using a silver/silver sulfide indicator electrode and a double junction reference electrode. This analysis is performed with an automatic titrator. 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. 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” Accelerator tank solution prepared with all components at their respective “working tank” aim concentrations. 2. A “seasoned” Accelerator tank solution analyzed as received, at 3.87 g/L PBA-1. 3. The same “seasoned” solution as in number 2, above, reanalyzed after making an analytically weighed, standard addition of 1.1794 g/L PBA-1. Sample “Fresh” (prepared at 3.31 g/L) “Seasoned” As Received “Seasoned” plus Standard Addition PBA-1 Mean (g/L PBA-1) N Repeatability Standard Deviation, 1s r (g/L PBA-1) 95 Percent Confidence Estimate (g/L PBA-1) 3.38 5 0.023 ± 0.06 3.87 5 0.011 ± 0.03 5.11 5 0.008 ± 0.02 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 was not determined for this sample because the component concentration level was not determined independently of the test method. Instead, a recovery was calculated for the component in a fresh sample. A bias of 0.07 g/L PBA-1 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 105.14 percent was significantly different from 100 percent at the 95 percent confidence level, but was judged not to be practically significant. Processing KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03 1
- Page 121 and 122: Procedure Treatment and Titration o
- Page 123 and 124: Iodometric Determination of Sulfite
- Page 125 and 126: Potentiometric Determination of Tot
- Page 127 and 128: Automated Titration An example of a
- Page 129 and 130: Buffering Capacity Determination of
- Page 131 and 132: Buffering Capacity Determination of
- 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
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- Page 149 and 150: CALCULATIONS For Na3Fe(CN) 6 g/L Na
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- Page 153 and 154: Bias Bias is a statistically signif
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- Page 157 and 158: Hydroquinone in Sound Track Develop
- Page 159 and 160: Titrimetric Determination of Hypo I
- Page 161 and 162: Recovery Recovery is used instead o
- Page 163 and 164: Recovery Recovery is used instead o
- 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: APPARATUS All volumetric glassware
- 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 211 and 212: Spectrophotometric Determination of
- Page 213 and 214: Titrimetric Determination of Citraz
- Page 215 and 216: Potentiometric Determination of Eth
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C. Calculation:<br />
Where:<br />
KI, g/L =<br />
(mL AgNO 3 )(NAgNO 3 ) (millieq. wt. KI)<br />
0.00833 L Sample<br />
NAgNO 3 = Normality of N AgNO 3 in meq/mL<br />
milliequivalent wt = 0.16601 g/meq KI<br />
Example:<br />
KI, g/L = (5.77mLAgNO 3) (0.0050 N AgNO 3) (0.16601)<br />
0.00833 L Sample<br />
= 0.57<br />
Figure 1 Example Potassium Iodide Titration Curve of<br />
ECP-2 Fixer Bath<br />
150 mV<br />
8<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
mL 0.005 N AgNO<br />
3<br />
F002_1145GC<br />
4 <strong>Processing</strong> KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03
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