Processing kodak motion picture films, module 3 analytical procedures

CALCULATIONS
For K 4 Fe(CN) 6 3H 2 O;
g/L K4Fe(CN) 6 3H2O = (mL sulfato cerate) (N sulfato cerate) (eq. wt. K4Fe(CN) 6 3H2O) (1000)
(mL sample) (1000)
where:
mL sulfato cerate =
N =
If mL 0.0500 N sulfato cerate = 16.41 mLs;
Figure 2 S-shaped Curves
volume of sulfato cerate in milliliters
required to reach the equivalence point
normality of sulfato cerate in
milliequivalents per milliliter (meq/mL)
equivalent weight of ferrocyanide in
eq. wt. = milligrams per milliequivalents [422.41
for K4Fe(CN) 6 3H2O] 1000 = factor to convert milligrams to grams of
ferrocyanide
mL sample = milliliters of sample pipetted in step 1 of
the Treatment of Sample
1000 = factor to convert mLs of sample to liters
g/L K 4Fe(CN) 6 3H 2O =
g/L K 4Fe(CN) 6 3H 2O = 6.93
800
+
700
(16.41 (0.0500) (422.41) (1000)
(50.0) (1000)
MiliVolts
600
−
5
4
3
2
1
MiliLiters
F002_1122GC
10 Processing KODAK Motion Picture Films, Module 3, Analytical Procedures H24.03