Aluminum
www.chemetrics.com | 1-800-356-3072
Method
Instrumental Kit
References: APHA Standard Methods, 20
th
ed., pp.
V-2000 Multi-Analyte Photometer
3-56, Method 3500-AI B (1998). Rapid Modified
(See page 12 for instrumental features)
Eriochrome Cyanine R (ECR) Method for Determination
of Aluminum in Water, Kenneth E. Shull and Gene R.
Guthan, pp 1456-1468, J. AWWA, Nov. 1967.
Range: 0.04-0.25 ppm
Method: Eriochrome Cyanine R (ECR)
Aluminum forms a variety of minerals in the earth’s
Cat#
crust. Aluminum and its alloys have many uses: heat
Vacu-vials Kit K-0603
1,2
exchangers, construction materials, and aircraft parts.
Kit comes in a cardboard box and contains everything needed to perform
Alum (aluminum potassium sulfate) is used in water
up to 29 tests (except distilled water): thirty ampoules, Activator Solution,
Neutralizer Solution, 25 mL sample cup, ampoule blank,1.0 mL syringe, instruc-
treatment to flocculate suspended particles but may tions, calibration table, and MSDS.
raise the level of aluminum in finished drinking water.
Vacu-vials Kits require the use of the V-2000 Photometer or a
The maximum secondary contaminant limit for drinking spectrophotometer capable of accepting a 13 mm diameter round
water is 0.05-0.2 mg/L.
cell. Instrument sold separately.
1
The Aluminum Vacu-vials
®
test method is based
Although the test kit contains 30 ampoules, a fresh reagent
ampoule blank must be prepared for each series of tests; there-
on the reaction between aluminum and Eriochrome fore, the number of samples that can be tested with each kit will
Cyanine R (ECR), which forms a red dye-lake at
vary from a maximum of 29 to a minimum of 15.
2
approximately pH 6.0 in proportion to the amount of
The Neutralizer Solution is supplied as a dry chemical with NO
expiration date. Once reconstituted, it has a shelf-life of 6 weeks
aluminum present in the sample. Results are expressed that can be extended to 3 months if stored in the refrigerator
as ppm (mg/L) aluminum.
when not in use.
Kit Components common to Aluminum
Description Cat#
Sample Cup Pack, 25 mL (6 ea) A-0013
Ampoule Blank Pack (5 ea) A-0023
Syringe Pack, 1.0 mL (6 ea) A-0027
Instructions are posted on our website.
17
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