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Demineralizer, Hose Nipple Type,
Cartridges and Accessories, continued
Organic Removal Cartridge
Cartridge contains an activated carbon for removal of organics and chlorine
commonly found in tap water. This cartridge would normally be placed in line in
front of the demineralizer cartridge so that a two-cartridge system is used. The first
cartridge connected to your water supply would be organic removal. Follow that with
a demineralizer cartridge.
Catalog No. Description Price/Each
AP1269 Organic Removal Cartridge $166.62
Cartridge Wall Bracket Holder
Catalog No. Description Price/Each
AP1266 Cartridge Wall Bracket Holder $58.64
Demineralizer Accessories
Hydrion Low Ion pH Test Kit
High-quality water may not have enough ions to provide a reliable pH value. If you
use standard pH indicator paper, the indicator in the test paper may be the only
contaminant present when you dip it in the water, resulting in an erroneous pH value.
This low ion test kit provides you with a sample tube, special low ion test paper (roll
of 25 feet) and a color comparison chart. Unlike most test paper, this paper is not
to be dipped. Place the paper in the sample tube and add your unknown liquid. Cap
the tube and shake, then read the pH value by holding the tube against the color
comparison chart.
Catalog No. Description Price/Each
AP1660 Hydrion Low Ion pH Test Kit $14.94
Demineralizer Installation/Use Tip
Always hook up the water inlet to the bottom nipple of the demineralizer
cartridge. Always turn water off at inlet after use.
Hydrion Low Ion
pH Test Kit
AP1660
Distill, Deionize or Buy H2O?
If your use of distilled water is minimal (e.g., a few gallons per month), then simply purchase
the distilled water at your local supermarket.
If you use a sufficient amount to justify the purchase of a water treatment device, then the
following information will prove helpful. A definition of terms will assist you as you review
the process chart at right.
Dissolved Ionized Solids—Solids that cannot be removed by filtration. Major examples
are iron, calcium, magnesium, chlorine, carbonates and sodium.
Dissolved Gases—Examples are oxygen, nitrogen and carbon dioxide.
Dissolved Organics—Sediments, microorganisms and other organic material.
Bacteria—Single-celled microorganisms, some of which are the cause of disease.
Pyrogens—Toxic, fever-producing substances formed by various microorganisms.
Particulates—Matter in a fine state of subdivision.
If the water produced will be used by both the biology and chemistry departments, then
distilled water is your best choice. In fact, if you examine the chart, you will quickly conclude
that, except for dissolved gases, a still produces the best overall water quality. Deionizing is
usually good enough for water needed in general chemistry laboratory activity.
Other factors to consider:
• Water stills require regular cleaning and maintenance.
• Water stills are expensive to operate.
• Water stills take up a lot of space.
• A water still (if properly maintained) can give you decades of service.
• Deionizers (demineralizers) do not provide biological-quality water.
• Deionizers require repeated expenditures for cartridge replacement.
• Deionizers require little if any maintenance.
Water Purification Process Comparison
MAJOR CLASSES OF CONTAMINANTS
E Excellent (capable of complete = or near total removal)
G Good (capable of removing = large percentages)
P = Poor (little or no removal)
PURIFICATION PROCESS
Dissolved Ionized Solids
Dissolved Gases
Dissolved Organics
Particulates
Bacteria
Pyrogens
DISTILLATION E P G E E E
DEIONIZATION E E P P P P
Water Hardness Testing Paper
Easy way to determine water hardness in seconds. Two test papers are packaged in
one convenient plastic dispenser. The first test paper allows you to measure water
hardness between 0–20 grains per gallon. The second measures water hardness
between 10–50 grains per gallon. Both test papers are 4.5 meters in length, enough
for over 100 tests.
Catalog No. Description Price/Each
AB1161 Water Hardness Testing Paper $13.49
Water Hardness Testing Paper
AB1161
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