Oxygen, dissolved — CHEMets Visual Kit
Catalog No.: K-7511
Range: 0-20 ppb
MDL: 2 ppb
Method: Rhodazine D
Kit comes in a cardboard box and contains everything needed to perform 30 tests: Refill, Comparator, permanent mounting clamp, sampling tube, and instructions.
Oxygen, dissolved — ULR CHEMets Refill
Catalog No.: R-7511
Method: Rhodazine D
This product is a refill for K-7511 Dissolved Oxygen ULR CHEMets Visual Kit for the analysis of dissolved oxygen in water.
It contains 30 self-filling ULR CHEMets ampoules packaged securely incardboard trays and box.
R-7511 dissolved oxygen ULR CHEMets Refill is compatible with C-7511 Dissolved Oxygen Comparator.
Oxygen, dissolved — CHEMets Visual Kit
Catalog No.: K-7518
Range: 5-180 ppb
MDL: 5 ppb
Method: Rhodazine D
Kit K-7518 comes in a plastic case and contains everything needed to perform 30 tests: Refill, Comparator, permanent mounting clamp, sampling tube, and instructions.
Shelf life: The refill contained in this kit has a shelf life of 12 months.
Oxygen, dissolved — CHEMets Refill
Catalog No.: R-7518
Method: Rhodazine D
This product is a refill for K-7518 Dissolved Oxygen CHEMets Visual Kit for the analysis of dissolved oxygen in water.
It contains 30 self-filling CHEMets ampoules packaged securely in cardboard trays and box.
R-7518 Dissolved Oxygen CHEMets Refill is compatible with C-7518 Dissolved Oxygen Comparator.
Shelf life: 1 year
Nitrite — Titrets Titration Cells

Catalog No.: K-7025
Range: 250-2500 ppm as NaNO₂
MDL: 250 ppm
Method: Ceric Sulfate Titrant with Ferroin Indicator
Increments: 250, 275, 300, 325, 350, 375, 400, 450, 500, 625, 750, 875, 1000, 1250, 1750, 2500 ppm
Kit K-7025 comes in a cardboard box and contains everything needed to perform 30 tests: thirty ampoules with valve assemblies, titrettor, 25 mL sample cup, and instructions.
Features of Titrets Technology
- Dependable, sealed single-use titrants
- Fast, easy procedure — no need to count drops
- No burettes or other equipment necessary
- Perform a titration ANYWHERE
Dissolved Oxygen Test Kit — CHEMets
Visual Kit
Catalog No.: 7540
Range: 0-40 ppb
MDL: 2.5 ppb
Method: Rhodazine D
0-40 ppb range CHEMets Dissolved Oxygen Test Kit comes in a plastic case and contains everything needed to perform 30 tests: Refill, Comparator, permanent mounting clamp, sampling tube, and instructions.
Oxygen, dissolved — CHEMets Visual Kit

Catalog No.: K-7540
Range: 0-40 ppb
MDL: 2.5 ppb
Method: Rhodazine D
Our 0-40 ppb range CHEMets Dissolved Oxygen Test Kit comes in a plastic case and contains everything needed to perform 30 tests: Refill, Comparator, permanent mounting clamp, sampling tube, and instructions.