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…

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

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

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

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…

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

For determination of reactive Phosphorus (ortho Phosphate) by the Molybdovanadate Method, using AccuVac® Ampules. Hach Method 8114. Range: 0.3 - 45.0 mg/L PO4. Pack of 25 ampules.

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

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

ACS Reagent Grade, KMnO4, CAS No. 7722-64-7, FW 158.04

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

ACS Reagent grade KH2PO4, CAS No. 7778-77-0 For pH buffer and dilution water preparation

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 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

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.

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

Carbon dioxide absorber, for use with BODTrak II Apparatus.

For chlorine determination by Digital Titrator titration. 0.00451 N PAO. 1 digit = 1µg/L CI2 in 200 mL sample. Digits x 0.00000564 = meq. Accurate results - when and where you need them Digital Titrator methods use a high-precision dispensation device and cartridges of concentrated…

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

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

For chlorine determination by Digital Titrator titraton. 0.00451 N. 1 digit = 1 mg/L CI2 in 200 mL sample, Digits x 0.00000564 = meq. Accurate results - when and where you need them Digital Titrator methods use a high-precision dispensation device and cartridges of concentrated titrant to…

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

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

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

For low-level determination of nickel and cobalt

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

Reagent for use in iodometric titrations.

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