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Chromate (hexavalent)
www.chemetrics.com | 1-800-356-3072
Method
References: APHA Standard Methods, 20
th
ed., pp. 3- Range: 0-60 & 60-600 ppm
66, Method 3500-Cr B (1998). ASTM D 1687-02,
MDL: 10 ppm / Method: Diphenylcarbazide
Chromium in Water, Test Method A.
Cat#
VACUettes Kit K-2810A
Hexavalent chromium salts are used in numerous
VACUettes Refill, 30 ampoules R-2810A
industrial processes. They are also used extensively as
corrosion inhibitors in open and closed cooling water
Acidifier Solution Pack, six 10 mL bottles, Shelf-life 2 years A-2800
1
systems.
Low Range Comparator, Shelf-life 2 years:
0, 10, 15, 20, 30, 40, 50, 60 ppm C-2801A
With the chromate test method, hexavalent chromi- High Range Comparator, Shelf-life 2 years:
um reacts with diphenylcarbazide under acid condi-
60, 120, 180, 240, 300, 350, 400, 500, 600 ppm C-2810A
tions to form a red-violet color. Results are quantified
Kit comes in a plastic case and contains everything needed to perform 30 tests
(except distilled water): Refill, Low and High Range Comparators, Acidifier
photometrically or by visual comparison with stan-
Solution, dilutor snapper cup, micro test tube, instructions, and MSDS.
dards that are calibrated in ppm (mg/L) CrO
4
.
Range: 0-120 & 120-1200 ppm
MDL: 20 ppm / Method: Diphenylcarbazide
Visual Kits
Cat#
VACUettes Kit K-2810B
Range: 0-1 & 1-10 ppm
VACUettes Refill, 30 ampoules R-2810B
MDL: 0.05 ppm / Method: Diphenylcarbazide
Acidifier Solution Pack, six 10 mL bottles, Shelf-life 2 years A-2800
1
Cat#
Low Range Comparator, Shelf-life 2 years:
CHEMets Kit K-2810
0, 20, 30, 40, 60, 80, 100, 120 ppm C-2801B
CHEMets Refill, 30 ampoules R-2810
High Range Comparator, Shelf-life 2 years:
120, 240, 360, 480, 600, 700, 800, 1000, 1200 ppm C-2810B
Acidifier Solution Pack, six 10 mL bottles, Shelf-life 2 years A-2800
1
Kit comes in a plastic case and contains everything needed to perform 30 tests
Low Range Comparator, Shelf-life 2 years: (except distilled water): Refill, Low and High Range Comparators, Acidifier
0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm C-2801 Solution, dilutor snapper cup, micro test tube, instructions, and MSDS.
High Range Comparator, Shelf-life 2 years:
1, 2, 3, 4, 5, 6, 7, 8, 10 ppm C-2810
Range: 0-1200 & 1200-12,000 ppm
Kit comes in a plastic case and contains everything needed to perform 30 tests:
MDL: 200 ppm / Method: Diphenylcarbazide
Refill, Low and High Range Comparators, Acidifier Solution, 25 mL sample cup,
instructions, and MSDS.
Cat#
VACUettes Kit K-2810C
Range: 0-30 & 30-300 ppm
VACUettes Refill, 30 ampoules R-2810C
MDL: 5 ppm / Method: Diphenylcarbazide
Acidifier Solution Pack, six 10 mL bottles, Shelf-life 2 years A-2800
1
Cat#
Low Range Comparator, Shelf-life 2 years:
VACUettes Kit K-2810D
0, 200, 300, 400, 600, 800, 1000, 1200 ppm C-2801C
VACUettes Refill, 30 ampoules R-2810D
High Range Comparator, Shelf-life 2 years:
1200, 2400, 3600, 4800, 6000, 7000, 8000, 10,000, 12,000 ppm C-2810C
Acidifier Solution Pack, six 10 mL bottles, Shelf-life 2 years A-2800
1
Kit comes in a plastic case and contains everything needed to perform 30 tests
Low Range Comparator, Shelf-life 2 years: (except distilled water): Refill, Low and High Range Comparators, Acidifier
0, 5, 7.5, 10, 15, 20, 25, 30 ppm C-2801D Solution, dilutor snapper cup, micro test tube, instructions, and MSDS.
High Range Comparator, Shelf-life 2 years:
30, 60, 90, 120, 150, 175, 200, 250, 300 ppm C-2810D 1
The accessory pack supplies enough solution to perform at least
Kit comes in a plastic case and contains everything needed to perform 30 tests
200 tests.
(except distilled water): Refill, Low and High Range Comparators, Acidifier
Solution, dilutor snapper cup, micro test tube, instructions, and MSDS.
29
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