cod reagent vials for lab use

The vials and caps of the COD reagents have been designed to avoid accidental reagent spills. Due to the pre-dosed reagents, the amount of chemicals and handling time is also minimized. Comparison of Methods. EPA - The EPA approved method 410.4 for COD determination requires the use of mercuric sulfate (HgSO 4). Mercuric sulfate is present in

Oct 14, 2010 · The most popular current testing method for COD involves using sealed and heated (i.e., closed reflux) low-range (3-150 ppm) or high-range (20-1500 ppm) pre-prepared vials that change color from orange to green based on the amount of oxidation and that are read using a laboratory colorimeter

The COD reagents, in 3 ranges (low, medium and high), are pre-measured, ready-to-use and have a long shelf life. They are supplied 25 to a package in 16 mm vials. The COD Reactor can digest up to 25 samples simultaneously in 2 hours or less.

COD (Mercury-free) Vials Kit K-7351S Kit comes in a cardboard box and contains everything needed to perform up to 24 tests (except distilled water): 25 vials and instruction book. COD (Mercury-free) Vials Kit K-7356 Kit comes in a cardboard box and contains everything needed to perform up

15-425 Screw Sample Storage Vial 15-425 Thread Caps with Septa 40ml TOC Vial 16mm COD Digestion Test Tube Amber Reagent Bottle for Laboratory ... Lab Use 0.22μm ...

Products used to measure levels of oxidizable organic compounds within water samples; includes tubes, vials, and reagents designed for COD testing. Useful for determining the quality of wastewater and environmental water samples.

880 cod reagent products are offered for sale by suppliers on Alibaba.com, of which specific reagents accounts for 8%, other test instruments accounts for 1%, and sensors accounts for 1%. A wide variety of cod reagent options are available to you, such as general reagents, specific reagents, and test tube. You can also choose from electronic

Pre-filled with COD reagents, these digestion vials come in EPA-approved versions for low-, standard-, and ultra-high-range analysis. Each lot is tested to ensure superior quality from the cap and vial to the chemical contents. Glass vials are 16 mm x 100 mm to work with your existing COD reactor and spectrophotometer.

These COD vials are premixed and ready to use. There are several types of reagents available commercially: EPA-compliant reagents: These vials comply with EPA method 410.4 and Standard Methods 5220D. These reagents use the formulation for this method, which contains mercury sulfate, potassium dichromate, and sulfuric acid.

COD digestion reagent vials, multiply the result by 10. For the most accurate results with samples near 1500 or 15,000 mg/L COD, repeat the analysis with a diluted sample. Blanks for colorimetric determination The blank vial can be used again and again for measurements that use the same lot of reagent vials.

Aijiren’s products include HPLC Vial,Reagent Bottle,Sample Storage Vial,COD Test Tube,Headspace Vial,Syringe Filter and FTU Vials.

Hach Chemistries and Instruments are Designed as a System. Only Hach chemistries and instruments are designed to work as an integrated system, eliminating calibration and variability errors from the outset so you can be certain of your results. Using both, ensures accurate results the first time, every time.

75% Sulfuric Acid, 0.20% Potassium Dichromate, 0.40% Silver Sulfate, 0.002%Sulfamic Acid, 0.60% Mercuric Sulfate. COD testing for 100 to 4500mg/L standard range concentration. Pack of 50 for $359.00. Case of 3 PK for $857.47. Check Availability.

MD 100 colorimeter is factory calibrated and optimized for analysis of reacted COD vials Colorimeter features a backlit LCD, 16 data set memory, auto-off, waterproof sample chamber and more Includes a MD 100 COD colorimeter, 16-mm adapter, 24 tube thermoreactor, 25 low and mid range reagent vials, test tube rack, batteries and instructions

COD 16mm Vial Adapter | SP-800/910. $ 79.00. 16mm ID Vial Adapter. For use with SP-800 & SP-910. Allows COD Testing using HACH & Chemetrics & Pyxis COD Reagent Vial. COD 16mm Vial Adapter | SP-800/910 quantity. Add to cart. Accessories / Product Specific / Handhelds /COD 16mm Vial Adapter | SP-800/910.