Water and Wastewater Testing Supplies
Hach Company DPD Total Chlorine Reagent Powder Pillows, 5 mL, pk/1000
For determination of total chlorine by the DPD method. For use with Hach's Chlorine Visual Test Kits. Sample Size: 5 mL. Range: up to 3.5 mg/L Cl₂. Pack of 1000 powder pillows. Boric Acid free!*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
Hach Company DPD Free Chlorine Reagent Powder Pillows, 25 mL pk/1000
For free chlorine determination by the DPD method. USEPA accepted for reporting drinking water analysis using Hach Method 8021. Ranges: LR: up to 2.00 mg/L; MR: 0.05 - 4.50 mg/L; HR: 0 .1- 10.0 mg/L. Sample Sizes: LR: 25 mL; MR: 10 mL; HR: 5 mL. Pack of 1000 powder pillows. Boric Acid free!*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
Chemglass Life Sciences Fritted Disc, 12mm, Extra Coarse
Fritted Disc, 12mm, Extra Coarse. Porous discs for use in fabrication of special glass apparatus. Fritted glassware is designed for low pressure vacuum filtration or gas flow. The MAX differential pressure should not exceed 15 PSI. Fritted glassware should not be exposed to excessive temperature change or direct exposure to flame due to the fact that it has less resistance to thermal shock than standard borosilicate glassware.
Hach Company Acid Reagent Powder Pillows, 25 mL, pk/1000
For determination of high range silica by the silicomolybdate method (Hach method 8185) Range: 1-100.0 mg/L SiO2. Also used in the iodometric method (Hach method 10100) for the determination of high range hypchlorite (50-150 g/L as Cl2). Pack of 1000 powder pillows.
Hach Company FerroVer Iron Reagent Powder Pillows, 5 mL, pk/1000
For Iron determination by the 1,10 phenanthroline method, using FerroVer Iron Reagent Powder Pillows. For 5-mL samples. Pack of 1000 Powder Pillows
Hach Company Silica 3 Reagent Powder Pillows, pk/100
For low range silica determination in visual test kits. Pack of 100 powder pillows.
HF Scientific Inc ProCal Primary Calibration Kit, Full Range, .02, 10, and 1000 NTU
ProCal Primary Calibration Kit .02 & 10 & 1000 NTU (for MicroTOL 2 and MicroTOL4 turbidimeters). HF Scientific ProCal turbidity standard and calibration kit. ProCal turbidity standards are pre-diluted, factory certified, and ready for use with not only the HF scientific turbidimeter product line but with other manufacturers instrumentation. The ProCal standard formulation utilizes a preservative that enhances stability, yet is safe and biodegrades rapidly in aquatic environments.
Hach Company Nitrite Standard Solution, Stock, 250 mg/L as N, 500 mL
For accuracy checks in nitrite determinations. 500 mL bottle.
Hach Company Molybdate Test Kit, Model MO-LR
Molybdates are used to inhibit corrosion in industrial and utility water systems. The high cost of these treatments warrant careful control of their concentration. Kit reagents react with molybdate to form a blue color, which is measured with a color disc.