The Systems
High Range Visual Colorimetric Analysis
The VACUettes
®
Auto Dilution Method
Hold the ampoule in a horizontal position while the capillary tip contacts the
sample (Step 1). After the capillary fills, immerse it in a diluent (usually deion-
ized water); snap the tip off the ampoule (Step 2). The sample and diluent are
drawn into the ampoule where they mix with the reagent (Step 3). The result-
ing color change can then be compared with the flat or round comparator to
quantify results (Step 4).
Kits include 30 ampoules, comparator(s), accessory
solution(s) (when necessary), a sample cup, and
instructions. Refill packs of 30 ampoules and accessory
solutions are available separately.
Most comparators have a 2-year shelf-life. Material
Safety Data Sheets are provided in test kits.
VACUettes ampoules are designed for highly
concentrated samples. They employ a patented
auto-dilution feature that eliminates the need for
a time-consuming and error-prone preliminary
dilution. As a result, the entire test typically takes
only 2 to 3 minutes, with a rate of accuracy comparable to a vol-
umetric procedure. The basic design of these 7 mm ampoules is the same as
CHEMets ampoules, however, a capillary tip is attached to the tip of each
ampoule.
The VACUettes Test
Procedure
STEP STEP STEP STEP
1 2 3 4
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