Water and Wastewater Testing Supplies
Medchemexpress LLC Ferrozine | 69898-45-9 | 99.96% | 492.46 | 100 MG
Ferrozine is a spectrophotometric reagent for iron ions that reacts with divalent iron (Fe) to form a stable magenta complex. This complex has an absorption peak at 562 nm, allowing Ferrozine-based colorimetric assays to quantify iron within cells. It appears as a light yellow to yellow solid.
- Reacts with divalent iron to form a stable magenta complex
- Absorption peak at 562 nm
- Quantifies iron within cells using colorimetric assays
- Light yellow to yellow solid appearance
- Excitation wavelength of 562 nm
Hach Company Molybdovanadate Reagent, 100 mL MDB
For phosphate (phosphorus) determination by the Molybdovanadate Method: Hach method 8114. Range: up to 45.0 mg/L PO₄. 100 mL bottle
Hach Company Diphenylcarbazone Reagent, 113 g
Mixed indicator-buffer for chloride determination by Hach mercuric nitrate titration methods. Bulk Powder.
Hach Company Nitrogen, Nitrate Color Disc Test Kit, Model NI-14
Utilizing the simple color disc method, this kit measures Nitrogen, Nitrate as NO3- and contains 50 tests.
Sigma Aldrich Fine Chemicals Biosciences Total Acid Number Standard25G
Please note that the value stated on this page is nominal. All certified values for the current lots of all Paragon Total Acid Number Standards can be found on the Paragon Scientific webpage
Hach Company Polyvinyl Alcohol Dispersing Agent, 50 mL SCDB
For determination of Ammonia and Total Kjeldahl Nitrogen by the Nessler Method. 50 mL Self-Contained Dropping Bottle.
Hach Company Molybdate Reagent, 100 mL MDB
For high range phosphate (phosphorus) determination by the amino acid method (Hach method 8178). Range: Up to 30 mg/L PO₄ 100 mL Marked Dropping Bottle
Enzo Life Sciences FLUOFORTE Calcium assay kit (10x96tests)
A Brighter, More Robust Fluorescent Assay for Calcium Mobilization. Applications: Flow Cytometry. Fluorescence microscopy. Fluorescent detection, HTS. Contents: Reagent A (lyophilized FLUOFORTE dye), 1 vial. Reagent B (dye efflux inhibitor), 10 x 1 ml. Reagent C (Hanks’ buffer with 20mm HEPES), 100 ml
Hach Company Color Disc, Apparent Color, 0-100, 0-500 units
Color Disc for measuring Color, 0-100, 0-500 units. Used in test kit Model CO-1, Prod. No. 223400.
Hach Company TSS Glass Fiber Filter, Pore Size 1.5 µm, Diameter 20 mm, 100/pk
TSS Filters are recommended for use in Standard Methods 2540 C and 2540 D. Optimized surface characteristics of this binderless borosilicate glass microfiber filter eliminates pin-holing and fiber-shedding to ensure consistent, accurate results comparable to 934-AH brand filters. Fast flow rate, fine porosity and 1.5 μm particle retention makes the TSS Filter the preferred choice of environmental chemists for total suspended solids analysis of water and wastewater.934-AH is a registered trademark of Whatman, Inc./GE Healthcare.
Hach Company Series 5000 Annual Maintenance Kit - for Series 5000 analyzers (silica, high-range phosphate, hydrazine, oxygen scavenger)
The Series 5000 Annual Maintenance Kit is an OEM maintenance kit intended for annual service of Series 5000 analyzers. The manufacturer product page lists the kit as suitable for various Series 5000 analyzer configurations; exact kit contents are not specified on the product page.
Hach Company DPD Chlorine Indicator Solution Ampules, ULR, pk/20
For ultra-low Total Chlorine Determination by the DPD method. Hach Method 8370. Range: 2 - 500 μg/L Cl₂. Ampuled for stability. Package of 20x 1.5 mL ampules.Boric Acid free!*This product has not been evaluated to test for chlorine and chlormaines in medical applications in the United States.
Hach Company BoroVer« 3 Boron Reagent Powder Pillows, pk/100
For boron determination by the carmine method
Hach Company Copper Masking Reagent Powder Pillows, 25-mL, pk/100
For copper determination by the porphyrin method 8143. For instruments that require a 25-mL sample