DATA SHEET #2:                                                                 Purple Unknown # ________


      Strip        Well #
   1       2       3       4       5       6       7       8       9  
IA

Red/Blue Standard
8
7
6
5
4
3
2
1
0
Blue/Red Standard
0
1
2
3
4
5
6
7
8











IIII
   Purple   Unknown
8



8



8











II
Fraction of Red Dye
1.000
0.875
0.750
0.620
0.500
0.375
0.250
0.125
0













                                    COMPARISONS FOR CONCENTRATION:

Strip Solution:

Well #

IIII
Purple Unknown
1
5
9






Match from Above:



IA
Red + Blue Standards
______ ______ ______






Match from Side:



IA
Red + Blue Standards ______ ______ ______






Average Match:

______






Average fraction Red Dye in standard mixture:

______

"Best" percentage:  Red Dye in unknown (%)

______