Test 'N Tube products provide safe, convenient testing Capped 16-mm vials provide a self-contained package for mixing and measurement. Easy ordering All necessary reagents and vials are contained in the package. Perform digestions and photometric measurements in the same…

KOH, ACS Reagent Grade, CAS No. 1310-58-3, FW = 56.10. Assay = =85%

Reagent for low range formaldehyde determination by the MBTH photometric method. Hach Method 8110

KTO: Phosver 3 Phosphate Reagent For determination of reactive (ortho) phosphate (phosphorus) by the PhosVer® 3 ascorbic acid method. USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive. Also used in acid-hydrolyzable and total phosphorus…

Phenylarsine Oxide (PAO) Cartridges for Digital Titrator 0.00564 N PAO Titrant UOM/Each

Grade: ACS Grade CAS No.: 108-95-2 Formula: C₆H₅OH FW: 94.11

ACS Grade, CAS No. 7727-21-1, K2S2O8, FW = 270.33. Assay: ≥99.0%

Used for phosphorus determination in food and feed samples

For determination of copper by the Porphyrin method 8143.

For Free and Total Chlorine determination by amperometric titration. 0.00564 N PAO 500 mL bottle

Selectivity: Total Coliform Bacteria 1-year shelf life at room temperature Presence-Absence Broth is available in two forms : Broth in glass ampules, sterile, single dose Single dose broth in prefilled sterile disposable bottles

For sulfite determination by buret iodometric titration. 0.0125 M (APHA formulation). 1 liter bottle  

KCl, ACS Grade, CAS No. 7447-40-7, FW = 74.55.

For potassium determination in water, soil and plant tissues by the tetraphenylborate method. Hach Method 8049. Sample size: 25 mL Pack of 100 powder pillows

Phosporus, Reactive, HR Reagent Set Includes: Amino Acid Reagent, Molybdate Reagent Method: Amino Acid Range: up to 30.0 mg/L PO4 3- Sample Size: 25 mL 100/test

Phosphonates Reagent Set (Colorimetric Method) includes: PhosVer® 3 Phosphate Reagent Powder Pillows, and Potassium Persulfate Powder Pillows Method: Persulfate/UV Oxidation Range: 0 - 2.5 mg/L, 0 - 125 mg/L 100/test

USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive Ampules contain the precise amount of reagent for a single test and can be used as a measurement cuvette. Method: PhosVer3 Range: up to 2.500 mg/L pk/25

For determination of Reactive (ortho) and Total Phosphorus (phosphate) by the Ascorbic Acid method, using TNTplus vials. Hach Methods 10209 (reactive) and 10210 (total) UHR Range: 2-20 mg/L PO4-P (6-60 mg/L PO4) 25 tests/package

Phosphonate Reagent Set for 10 mL sample includes: PhosVer™ 3 Phosphate Reagent Powder Pillows, Potassium Persulfate Powder Pillow for Phosphonate, Water-deionized Method: Persulfate UV Oxidation Range: up to 2.50 mg/L and 125.0 mg/L 100/test, Powder Pillows

Reagent Set for determination of Potassium by the Tetraphenylborate method. Hach Method 8049. Range: 0.1 - 7.0 mg/L K. Set includes: Potassium 1 Reagent Powder Pillows, Potassium 2 Reagent Powder Pillows and Potassium 3 Reagent Powder Pillows for 100 tests.

For potassium determination in water, soil and plant tissues by the tetraphenylborate method. Hach Method 8049 Sample size: 25 mL.

For determination of phenols by the 4-Aminoantipyrine Method. Hach method 8047

For determination of reactive (ortho) phosphate (phosphorus) by the PhosVer® 3 ascorbic acid method. USEPA accepted for reporting for wastewater analysis using Hach Method 8048, Phosphorus, Reactive. Also used in acid-hydrolyzable and total phosphorus determination, after appropriate digestion.…

3241Q04 : For determination of phosphonates and total phosphate by persulfate oxidation. 3241Q05 : For total phosphate determination by acid persulfate digestion and phosphonate determination by the UV Oxidation method. 3241Q34: For determination of total phosphate by acid persulfate…

For potassium determination in water, soil and plant tissues by the tetraphenylborate method. Hach Method 8049 Sample size: 25 mL.

For low-level determination of nickel and cobalt

For Copper determination by the Porphyrin method. Hach Method 8143 Range: 2 - 210 µg/L Cu. Sample Size: 10 mL Pack of 100 Powder Pillows.

For pH adjustment in calcium determination by EDTA titration. Hach methods 8222 (buret) and 8204 (Digital Titrator).

For determination of phenols by the 4-Aminoantipyrine Method. Hach method 8047

Ammonia Method for soils, sludges and wastewater samples. Bottle/500 mL

Reagent for use in iodometric titrations.

For determination of copper by the Porphyrin method 8143. For 25 mL samples Pack of 100 powder pillows