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Colour Comparators

CHEMetrics CHEMets and HR CHEMets test kits contain a colour comparator, or in the case of dual range kits, two comparators. There are two types of comparator, a flat comparator (above left) for higher range sample concentrations and a round comparator (above right) for lower range sample concentrations. Most comparators have a shelf life from date of manufacture of 2-3 years. Any comparator from the current range is available to purchase separately as a replacement item for expired test kits. For more information on using a comparators, please see the article How To Read a CHEMetrics Colour Comparator.

Cat. No. Parameter Range Increments Type Test Kits
C-1001 Filming Amine 0.0 - 1.0 ppm 0, 0.05, 0.10, 0.15, 0.25, 0.50, 0.75, 1.0 ppm Round K-1001
C-1002 Filming Amine 0 - 2 ppm 0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0 ppm Round K-1006
C-1006 Filming Amine 2 - 6 ppm 2.0, 3.0, 4.0, 5.0, 6.0 ppm Flat K-1006
C-1404 Ammonia Multi-Range Multi-Range (See Table Below) Flat K-1420, K-1430D
C-1501 Ammonia 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6 0.8, 1.0 ppm Round K-1510
C-1510 Ammonia Multi-Range Multi-Range (See Table Below) Flat K-1510, K1520A-D
C-1601 Bromine 0.0-2.2 ppm 0, 0.25, 0.5, 0.7, 0.9, 1.4, 1.8, 2.2 ppm Round K-1605
C-1605 Bromine 0-11 ppm 0, 2.2, 3.4, 4.5, 5.6, 6.8, 7.9, 9, 11 ppm Flat K-1605
C-1805 Carbohydrazide 0.0-0.50 ppm 0, 0.05, 0.10, 0.15, 0.20, 0.30, 0.40, 0.50 ppm Round K-1805
C-2500 Chlorine 0.1-2.0 ppm 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0 ppm Round K-2500
C-2501 Chlorine 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-2505
C-2504 Chlorine 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-2504
C-2505 Chlorine 1-5 ppm 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0 ppm Flat K-2505
C-2506 Chlorine Multi-Range Multi-Range (See Table Below) Flat K-2504, K-2520A-D
C-2511 Chlorine 0.00-0.20 ppm 0, 0.04, 0.06, 0.08, 0.10, 0.12, 0.16, 0.20 ppm Round* K-2511
C-2702 Chlorine Dioxide 0.0-2.0 ppm 0, 0.2, 0.4, 0.6, 0.8, 1.2, 1.6, 2.0 ppm Round K-2705
C-2710 Chlorine Dioxide 0-10 ppm 0, 2, 3, 4, 5, 6, 7, 8, 10 ppm Flat K-2705
C-2801 Chromate 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-2810
C-2810 Chromate 1-10 ppm 1, 2, 3, 4, 5, 6, 7, 8, 10 ppm Flat K-2810
C-3501 Copper 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-3510
C-3510 Copper 1-10 ppm 1, 2, 3, 4, 5, 6, 7, 8, 10 ppm Flat K-3510
C-3801 Cyanide 0.00-0.10 ppm 0, 0.01, 0.02, 0.03, 0.04, 0.06, 0.08, 0.10 ppm Round K-3810
C-3810 Cyanide 0.1-1.0 ppm 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 1.0 ppm Flat K-3810
C-3901 DEHA 0-400 ppb 0, 50, 100, 150, 200, 250, 300, 400 ppb Round K-3902
C-3902 DEHA 400-3,000 ppb 0, 50, 100, 150, 200, 250, 300, 400 ppb Flat K-3902
C-4601 Formaldehyde 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-4605
C-4610 Formaldehyde 1-10 ppm 1, 2, 3, 4, 5, 6, 7, 8, 10 ppm Flat K-4605
C-4815 Glycol 1-15 ppm 1, 2, 3, 4, 5, 6, 8, 10, 15 ppm Flat K-4815
C-5005 Hydrazine 0.0-0.5 ppm 0, 0.01, 0.03, 0.05, 0.07, 0.1, 0.3, 0.5 ppm Round K-5005
C-5005C Hydrazine 0-500 ppm 0, 10, 30, 50, 70, 100, 300, 500 ppm Round K-5020C
C-5005D Hydrazine 0-12.5 ppm 0, .25, .75, 1.25, 1.75, 32.5, 7.5, 12.5 ppm Round K-5020D
C-5501 Hydrogen Peroxide 0.0-0.8 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.8 ppm Round K-5510
C-5502 Hydrogen Peroxide 0.0-0.5 ppm 0, 0.05, 0.10, 0.15, 0.20, 0.30, 0.40, 0.50 ppm Round K-5502
C-5510 Hydrogen Peroxide Multi-Range Multi-Range (See Table Below) Flat K-5510, K-5520A-D
C-5808 Chlorine (Hypochlorite) Multi-Range Multi-Range (See Table Below) Flat K-5808, K-5816
C-6001 Iron 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-6010, K-6210
C-6002 Iron in Brine 0-100 mg/l 0, 10, 20, 30, 40, 60, 80, 100 mg/l Round K-6002
C-6010 Iron Multi-Range Multi-Range (See Table Below) Flat K-6010, K-6020A/B/D,
K-6210, K-6220D
C-6012 Iron in Brine 100-1,000 mg/l 100, 200, 300, 400, 500, 600, 700, 800, 1,000 mg/l Flat K-6002
C-6502 Manganese 0.0-2.0 ppm 0, 0.3, 0.6, 0.8, 1.0, 1.5, 1.8, 2.0 ppm Round K-6502
C-6701 Molybdate 0-7 ppm 0, 1, 2, 3, 4, 5, 6, 7 ppm Round K-6701
C-6702 Molybdate 2-24 ppm 2, 4, 6, 8, 10, 12, 16, 20, 24 ppm Flat K-6702
C-6720 Molybdate 20-200 ppm 20, 40, 60, 80, 100, 120, 140, 160, 200 ppm Flat K-6720
C-6802 Monochloramine 0-20 ppm 0, 1.25, 2.5, 3.75, 5.0, 7.5, 10, 15, 20 ppm Flat K-6802
C-6904 Nitrate Multi-Range Multi-Range (See Table Below) Flat K-6905, K-6904
K-6909A/D
C-7004 Nitrite Multi-Range Multi-Range (See Table Below) Flat K-7004, K-7020B/C
C-7006 Nitrite 0.0-0.1 ppm 0, 0.005, 0.01, 0.02, 0.04, 0.06, 0.08, 0.10 ppm Round K-7006
C-7007 Nitrite 0-1 ppm 0, 0.10, 0.15, 0.25, 0.35, 0.45, 0.60, 0.80, 1.0 ppm Flat K-7006
C-7404 Ozone 0.00-0.60 ppm 0, 0.05, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60 ppm Round K-7404
C-7405 Ozone 0.6-3.0 ppm 0.6, 0.8, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, 3.0 ppm Flat K-7404
C-7501 Oxygen (Dissolved) 0.0-1.0 ppm 0, 0.05, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Flat K-7501
C-7511 Oxygen (Dissolved) 0-20 ppb 0, 2, 4, 6, 8, 12, 16, 20 ppb Round* K-7511
C-7512 Oxygen (Dissolved) 1-12 ppm 1, 2, 3, 4, 5, 6, 8, 10, 12 ppm Flat K-7512
C-7518 Oxygen (Dissolved) 5-180 ppb 5, 20, 40, 60, 80, 110, 140, 180 ppb Round K-7518
C-7540 Oxygen (Dissolved) 0-40 ppb 0, 5, 10, 15, 20, 25, 30, 40 ppb Round K-7540
C-7599 Oxygen (Dissolved) 0-100 ppb 0, 10, 20, 30, 40, 60, 80, 100 ppb Round K-7599
C-7807 Persulphate 0.0-5.6 ppm 0, 0.7, 1.4, 2.1, 2.8, 3.5, 4.2, 5.6 ppm Round K-7870
C-7870 Persulphate 7-70 ppm 7, 14, 21, 28, 35, 42, 49, 56, 70 ppm Flat K-7870
C-7902 Peracetic Acid 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-7904
C-7904 Peracetic Acid 0-5 ppm 0, 1.0, 1.5, 2.0, 2.6, 3.2, 3.8, 4.4, 5.0 ppm Flat K-7904
C-8001 Phenols 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-8012
C-8012 Phenols Multi-Range Multi-Range (See Table Below) Flat K-8012, K-8020D
C-8501 Phosphate 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-8510
C-8510 Phosphate Multi-Range Multi-Range (See Table Below) Flat K-8510, K-8510D
C-8515 Phosphate 0-120 ppm 0, 10, 20, 30, 40, 60, 80, 100, 120 ppm Flat K-8515
C-8530 Phosphate 2-30 ppm 2, 4, 6, 8, 10, 15, 20, 30 ppm PO4 Round K-8530
C-9001 Silica 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-9010
C-9010 Silica 1-10 ppm 1, 2, 3, 4, 5, 6, 7, 8, 10 ppm SiO2 Flat K-9010
C-9011 Silica 0.00-0.20 ppm 0, 0.02, 0.04, 0.06, 0.08, 0.12, 0.16, 0.20 ppm Round* K-9011
C-9400 Detergents 0.0-3.0 ppm 0, 0.25, 0.50, 0.75, 1.0, 1.5, 2.0, 3.0 ppm Round K-9400
C-9501 Sulphide 0.0-1.0 ppm 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0 ppm Round K-9510
C-9510 Sulphide Multi-Range Multi-Range (See Table Below) Flat K-9510, K-9520A-D

Multi-Range Comparators

Most of the CHEMetrics CHEMets and HR CHEMets range have one or more dedicated comparators in the test kit. However, some of the high range test kits now use the same flat comparator for the lower concentration range for a given parameter. The high range kits employ a dilution step.

These multi-range comparators contain an extended printed scale, with one row of concentration values being used for each respective test kit. The test instructions for the kit state which scale to use for concentration readings. Full ranges and increments for these comparators are defined below.

The image above left shows the Ammonia comparator C-1510 which is found in the K-1510, and K-1520A to K-1520D test kits. For the K-1510, the top row is used. For the K-1520C, the bottom row is used.

Cat. No. Parameter Test Kits Range Increments
C-1404 Ammonia K-1420
K-1420
K-1430D
K-1430D 		0 - 4.0 ppm
0 - 80 ppm
0 - 2000 ppm
0 - 10,000 ppm 		0, 0.25, 0.5, 0.75, 1.0, 1.5, 2.0, 3.0, 4.0 ppm
0, 5, 10, 15, 20, 30, 40, 60, 80 ppm
0, 125, 250, 375, 500, 750, 1000, 1500, 2000 ppm
0, 625, 1500, 1875, 2500, 3750, 5000, 7500, 10,000 ppm
C-1510 Ammonia K-1510
K-1520D
K-1520A
K-1520B
K-2520C 		1 - 10.0 ppm
5 - 50 ppm
25 - 250 ppm
125 - 1250 ppm
1000 - 10,000 ppm 		1, 2, 3, 4, 5.0, 6.0, 7.0, 8.0, 10.0 ppm
5, 10, 15, 20, 25, 30, 35, 40, 50 ppm
25, 50, 75, 100, 125, 150, 175, 200, 250 ppm
1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 10,000 ppm
C-2506 Chlorine K-2504
K-2520D
K-2520A
K-2520B
K-2520C 		0 - 5.0 ppm
0 - 25 ppm
0 - 125 ppm
0 - 500 ppm
0 - 2000 ppm 		0, 1, 1.5, 2, 2.5, 3.0, 3.5, 4.0, 5.0 ppm
0, 5, 7.5, 10, 12.5, 15, 17.5, 20, 25 ppm
0, 25, 37.5, 50, 62.5, 75, 87.5 100, 125 ppm
0, 100, 150, 200, 250, 300, 350, 400, 500 ppm
0, 400, 600, 800, 1000, 1200, 1400, 1600, 2000 ppm
C-5510 Hydrogen
Peroxide 		K-5510
K-5520D
K-5510A
K-5520B
K-5520C 		1 - 10.0 ppm
5 - 50 ppm
25 - 250 ppm
125 - 1250 ppm
1000 - 10,000 ppm 		1, 2, 3, 4, 5.0, 6.0, 7.0, 8.0, 10.0 ppm
5, 10, 15, 20, 25, 30, 35, 40, 50 ppm
25, 50, 75, 100, 125, 150, 175, 200, 250 ppm
125, 250, 375, 500, 625, 750, 875, 1000, 1250 ppm
1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 10,000 ppm
C-5808 Hypochlorite K-5808
K-5816 		0 - 1.55 %
0 - 12.5 % 		0, 0.30, 0.47, 0.63, 0.78, 0.95, 1.10, 1.25, 1.55 %
0, 2.5, 3.8, 5.0, 6.3, 7.5, 8.8, 10.0, 12.5 %
C-6010 Iron K-6010, K-6210
K-6020D, K-6220D
K-6020A
K-6020B 		1 - 10.0 ppm
10 - 100 ppm
50 - 500 ppm
250 - 2500 ppm 		1, 2, 3, 4, 5.0, 6.0, 7.0, 8.0, 10.0 ppm
10, 20, 30, 40, 50, 60, 70, 80, 100 ppm
50, 100, 150, 200, 250, 300, 350, 400, 500 ppm
250, 500, 750, 1000, 1250, 1500, 1750, 2000, 2500 ppm
C-6904 Nitrate K-6905
K-6904
K-6909D
K-6909A 		0 - 3.4 ppm
0 - 4.5 ppm
0 - 45 ppm
0 - 225 ppm 		0, 0.4, 0.7, 1.0, 1.4, 1.8, 2.5, 3.5, 4.5 ppm
0, 0.3, 0.6, 0.9, 1.3, 1.7, 2.2, 2.8, 3.4 ppm
0, 4, 7, 10, 14, 18, 25, 35, 45 ppm
0, 20, 35, 50, 70, 90, 126, 175, 225 ppm
C-7004 Nitrite K-7004
K-7020B
K-7020C 		0 - 2.5 ppm
0 - 250 ppm
0 - 2000 ppm 		0, 0.2, 0.4, 0.6, 0.8, 1.0, 1.5, 2.0, 2.5 ppm
0, 20, 40, 60, 80, 100, 150, 200, 250 ppm
0, 160, 320, 480, 640, 800, 1200, 1600, 2000 ppm
C-8012 Phenols K-8012
K-8020D 		0 - 12.0 ppm
0 - 300 ppm 		0, 1, 2, 3, 4.0, 5.0, 8.0, 10.0, 12.0 ppm
0, 25, 50, 75, 100, 150, 200, 250, 300 ppm
C-8510 Phosphate K-8510
K-8510D 		1 - 10.0 ppm
10 - 100 ppm 		1, 2, 3, 4, 5.0, 6.0, 7.0, 8.0, 10.0 ppm
10, 20, 30, 40, 50, 60, 70, 80, 100 ppm
C-9510 Sulphide K-9510
K-9520D
K-9520A
K-9520B
K-9520C 		1 - 10.0 ppm
5 - 50 ppm
25 - 250 ppm
125 - 1250 ppm
1000 - 10,000 ppm 		1, 2, 3, 4, 5.0, 6.0, 7.0, 8.0, 10.0 ppm
5, 10, 15, 20, 25, 30, 35, 40, 50 ppm
25, 50, 75, 100, 125, 150, 175, 200, 250 ppm
125, 250, 375, 500, 625, 750, 875, 1000, 1250 ppm
1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 10,000 ppm