TM 10-6630-245-13&P
2.6.3 Acidity Test Kit.
a.
The Acidity Test Kit is used for the following
tests:
TEST
RANGE
Acidity, free, high range
0 to 500 mg/l
Acidity, free, low range
0 to 150 mg/l
Acidity, total, high range
0 to 500 mg/l
Acidity, total, low range
0 to 150 mg/l
b.
The kit components and their use are:
(1)
Standard Sodium Hydroxide Solution:
Titrating reagent used for acidity tests.
(2)
Bromcresol Green-Methyl Red Powder
Pillows: Used as an indicator in the free
acidity tests.
(3)
Test Tube: A plastic test tube that is used
to measure and to collect samples for
high range free and total acidity tests.
(4)
Phenolphthalein
Indicator
Solution:
Reagent used as an indicator in the total
acidity tests.
(5)
Mixing Bottle: Container used to collect
water sample.
2.6.4. Ferric Iron Test Kit.
a.
The Ferric Iron Test Kit is used for the following
tests:
TEST
RANGE
Iron, ferric, high range
0.0 to 10.0 mg/l
Iron, ferric, low range
0.0 to 1.0 mg/l
b.
The kit components and their use are:
(1)
FerroVer® Iron Reagent Powder Pillows
for 25 ml sample: Reagent used to treat
water samples for the low range test.
(2)
Color-standard Disk, 0.0 to 10 mg/l: Used
with color comparator for the low range
ferric iron test.
(3)
Viewing Tubes: Two identical test tubes
with caps that are used to collect and to
measure water samples, to treat water
samples, and to contain samples while
using the color comparator.
(4)
Color Comparator: Used to compare the
color of the treated water sample to a
standard color.
(5)
Viewing Adapter: Used with the color
comparator to view color match.
Figure 2-8. Ferric Iron Test Kit.
NOTE
The color-standard disk, 0 to 1 mg/I, used with the color comparator for the low range ferric iron
test is stored separately in the main carrying case. The FerroVer® iron reagent for 5-mi samples
used for the high range ferric iron test is also stored separately in the main carrying case.
2-24
