This Nitrate Nitrogen Test Kit tests for nitrate nitrogen levels using cadmium reduction which undergoes diazotization/coupling to form a pink color. Levels are determined using the Octa-Slide 2 comparator Range and sensitivity is 0.25, 0.5, 1.0, 2.0, 4.0, 6.0, 8.0, 10.0 ppm…

Strips chemically treated with starch and cadmium iodide measure total chlorine to determine the strength of sanitizers in cleaning solutions. Furnished in plastic vial of 200 1/4” x 3 1/2” strips, with color comparison chart, which has three standards 50, 100 and 200 ppm

Tests 0-5 ppm Five intervals: 0, 0.5, 1, 3 and 5 50 strips per vial Unique range and sensitivity covers critical chlorine concentrations for many applications of food processing, water/wastewater treatment, education and other areas.

Yes/No qualitative test Sensitivity less than 2.2 per 100 mL of sample No incubation equipment required; only room temperature

The Insta-Test Low Range Hydrogen Peroxide Test Strips is a convenient way to quickly measure peroxide levels in water with fast dip and read results. Range and sensitivity is 0, 1, 3, 10, 30, 50 ppm.   Applications: Drinking Water, Industrial Water Boiling and Cooling, Laundry…

Octet Comparator Method (9859C70 and C71) For determining ammonia nitrogen in water using Nessler method Octet Comparator has color standards representing 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 and 8.0 ppm ammonia nitrogen Sufficient for 50 tests Octa-Slide Comparator Method…

This kit tests for Phosphate using the Octa-Slide 2 Comparator. Range is 1.0 - 10.0 ppm (PO₄) and 10 - 100 ppm (PO₄). Applications: Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater  

3322 Octa-Slide Comparator System For determining total sulfide Sufficient for 50 tests NPDES-EPA accepted Unit uses the Pomeroy methylene blue method for analysis. Total sulfide is determined using a color dye, which is added to an un-reacted sample until it matches a reacted…

3114 Mid-Range Octet Comparator For determining orthophosphates in water Employs ascorbic acid reduction method Octet Comparator has color standards representing 0.5, 1, 2, 3, 4, 6, 8 and 10 ppm phosphate Sufficient for 50 tests

Octet Comparator Method For determining hexavalent, trivalent, and total chromium Octet comparator has color standards representing 0.1, 0.2, 0.4, 0.6, 0.8, 1.0, 1.2 and 1.5 ppm Cr Sufficient for 20 tests Test requires suitable hot plate, not included Reagent Refill only. …

Octet Comparator For determining sulfate in natural waters and waste waters Employs modified APHA turbidimetric method with barium chloride Has color standards representing 20, 40, 60, 80, 100, 120, 160, and 200 ppm sulfate, sufficient for 50 tests

Octet Comparator For detection of nickel in waste effluents and water supplies Employs dimethylglyoxime method Octet Comparator has color standards representing 0.5, 1.0, 2.0, 4.0, 5.0, 7.5, and 10.0 ppm nickel Sufficient for 20 tests

This Chlorine test kit measures for Chlorine using the direct reading titrator method. Range/sensitivity is 0-10 ppm/0.2 ppm Cl. Applications: Drinking Water, Food and Beverage, Industrial Water Boiling and Cooling, Laundry and Sanitation, Water and Wastewater # Tests (# Rgts): 50 at 10…

Direct Reading Titrator (9859K40 and K41) For determining high range chlorine in water Range of 0 to 200 ppm Cl₂ in 4 ppm increments Sufficient for 50 tests at 200 ppm. Uses Iodometric reagent method.

Octet Comparator Method For determining cadmium in water using Dithizone method; commonly occurs from the deterioration of galvanized pipe Octet comparator has color standards representing 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.8 and 1.0 ppm cadmium. For use only where organic matter is absent and…

This kit tests for Calcium and magnesium hardness by using the Dropper Bottle method. All results are as CaCO₃. Range/sensitivity is 1 drop = 10 ppm or 1 gpg CaCO₃. Applications: Industrial Water Boiling and Cooling, Water and Wastewater # Tests (# Rgts): 50 at 200…

7831 Octet Comparator Sufficient for 50 tests Tungstophosphoric and molybdophosphoric acids are reduced by tannins and lignins to form a blue color. Octet Comparator has color standards representing 1, 2, 3, 4, 5, 6, 8 and 10 ppm Tannin or lignin-like substances.

4507 Drop Count Method For determining anionic forms of detergent One drop equals 1.0 ppm detergents; range approximately 0 to 5.0 ppm Sufficient for 60 tests at 5.0 ppm

Direct Reading Titrator (9860J75 and J76) For determining dissolved oxygen in natural and treated waters Employs azide modification of Winkler method Range from 0 to 10 ppm with 0.2 ppm sensitivity Sufficient for 50 tests at 10 ppm Ideal for daily monitoring or D.O. meter…

This kit tests for Calcium Hardness in fresh or salt water. Includes inhibitors to eliminate metal interferences. All results are as CaCO₃ Range/sensitivity is 0-200 ppm/4 ppm CaCO_3, 0-2,500 ppm by dilution Applications: Environmental Education, Food and…

The Insta-Test Total Chlorine/pH/Hardness and Iron test kit combines the best of both worlds. The kit includes 25 quick, easy and accurate tests using a simple dip-and-read formulation. The strips are packaged in a unique hinged, waterproof PopTop bottle with a desiccant liner that protects the…

This kit tests for Chloride in fresh water samples using the Direct Reading Titrator method. Applications: Environmental Education, Aquarium and Fish Farming

Octet Comparator For determining total iron (dissolved, suspended and collodial) in natural waters Octet Comparator has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0 and 10 ppm iron Bipyridyl indicator Sufficient for 100 tests Octet Comparator For determining trace…

For Environmental Studies For determining life-supporting chemistry of fresh-water environments, including ponds, lakes, streams, rivers and marshes Tests for: carbon dioxide, D.O., hardness, nitrate, trace phosphates, wide-range pH and silica Includes water sampling bottles, report forms and…

Octa-Slide Comparator Tests total iron after any ferric iron is reduced to ferrous in the sample Sufficient for 90 tests Ferrous and ferric iron may be tested separately by eliminating the reduction step. Octa-Slide has color standards representing 0.5, 1.0, 2.0, 3.0, 4.0, 6.0, 8.0…

This kit tests for nitrate nitrogen using tablet reagents and the Octa-Slide 2 Comparator. Range/sensitivity is 0, 1, 2, 4, 6, 8, 10, 15 ppm NO₃ - -N Applications: Drinking Water, Environmental Education, Food and Beverage, Industrial Water Boiling and Cooling,…

Applications: Industrial Water Boiling and Cooling This test kit measures for Chlorine or Bromine using the direct reading titrator method. Range/sensitivity is 0-10 ppm/0.2 ppm Cl or Br.

Direct Reading Titrator For determining free carbon dioxide in water Range of 0 to 55 ppm CO2 in 1 ppm increments Employs APHA Method 406B with sodium hydroxide titrant. Sufficient for 50 tests at 50 ppm.

Contents: 30 mL Hydrogen Peroxide 3% 30 mL Chloride Reagent A 30 mL Sulfuric Acid, 0.5N 15 mL Phenolphthaein Indicator 0.5% 2 x 30 mL Silver Nitrate 0.171 N 1 Sample Tube, 5-10-25 mL w/ cap  

Drop Count Method For determining sulfite in water Employs modified APHA Method 428 One drop equals 5 ppm SO₃ Sufficient for 50 tests at 100 ppm

Test tap water from any source and study the impact of urban water on the city’s environment. "Wet in the City," a hands-on kit, introduces the basic concepts of water chemistry–even to kids as young as third grade! Non-hazardous TesTabs® make "Wet in the City" an…