cod vials with cap

CHEMetrics leakproof, Teflon-lined (PTFE) screw capped COD vials contain a premeasured solution of Sulphuric Acid and the oxidant Potassium Dichromate. The Dichromate in the reagent gives it an orange colour, and the extent to which the colour has faded after digestion is proportionate to the amount of Dichromate used up in the oxidation process, and thus the COD value.

Our COD vials contain 40mg of mercuric sulfate in each vial. Mercuric sulfate is most effective with the ratio of mercuric sulfate to chloride is 10:1. Our vials will effectively treat chloride interferences in a sample containing up to 2000 ppm of chloride (4 mg).

COD vials are hot now. • Cap tubes tightly. Switch on the COD Digester and fix the temperature at 150º C and set the time at 2 hours. • Place the COD vials into a block digester at 150 C and heat for two hours. • The digester automatically switches off. Then

1. Follow the CHEMetrics COD Test Procedure (Steps 1-11) which is included in every CHEMetrics COD Test Kit. Note: Use only COD vials with a range of 0 - 1500 (HR) or 0 -15,000 (HR+) with this photometer. 2. Press the Power key. 3. The display will show

China 16*100mm Cod Test Vial with Caps and Septa, Find details about China Cod Vial, Test Tube from 16*100mm Cod Test Vial with Caps and Septa - Zhejiang Aijiren

Details of Chemical Oxygen Demand Test: 2mL of a water or watse water sample are added to a 16mm glass culture tube containing the digestion reagent and a catalyst. The tube is capped with a polypropylene, PTFE lined cap and heated in a block digester at 150C for 2 hours. The orange Hexavalent chromium is reduced to a greenish trivalent chromium.

Vials 2ml Clear PTFE Screw Cap & Label Pk 1000 KSP-STVL-04. Please Login. Vials 2ml Amber PTFE Screw Cap & Label Pk 1000 KSP-STVLA-04. Please Login. Vials 28.25ml Trident Squat Screwcap Pk 140 TUB1224. Please Login.

EPA vials with PP cap. The EPA vials are ideal for water sample collection for volatile organic analysis. The vials with unbonded septa have a molded-in retainer ring to keep septa firmly in place while allowing septa to be removed and replaced as needed. Also there are vials with the septum permanently bonded to the cap for secure sealing.

30/11/2020 · Remove the cap of the COD test tube and add 2 mL of sample using a pipette. Next, close the cap of the COD Test Tube tightly and gently invert the test tube to mix the contents. The tube becomes hot when mixing.

Glass Vials Lab 8-425 neck finish represents a hplc vials &gc vials the vials a diameter of 8 mm across the outside of the threads and a thread style of 425, Vials has clear and amber, Screw Cap in Lab most of the 2ml vials are 12*32mm Autosampler Hplc

Pharmacy Vials with Child Resistant Cap, AMBER 13 Dram, Caps Included [QTY. 320] $52.99 FREE CASE Pharmacy Vials MPW0859 Value Per Case = $57.49 (Handling Fee Applies For Each Free Case Only)

Clear or amber sample vials made from borosilicate glass.Vials are available in all capacities, materials like plastic vials or glass vials, and in a variety of colors to meet any collection, storage, or analysis need. Tailor vessels for specific media with various translucent manufacturing and different sterility options for precise test results. Choose from the extensive selection featuring

Low Range Twist-Cap COD Vials . . . . . . . . 5-150 mg/L COD * Standard Range Twist-Cap COD Vials . . . . . . 20-900 mg/L COD * High Range Twist-Cap COD Vials . . . . . . . . 100-4500 mg/L COD These products are for use with the COD method described

16/4/2019 · Tube, Culture, with Screw Cap, 16 X 100 mm, 25/pk (Product # 2517600) are empty COD vials with caps that can be used for digestion. Tube, Culture, 16 X 100 mm, pk/6 (Product # 2275806) are empty vials without caps that can be used for digestion. Cap, Natural

COD kits CHEMetrics’ leakproof reagent vials contain premeasured solutions of sulfuric acids and potassium dichromate. To perform the COD determination, the analyst simply removes the Teflon® lined screw cap from the vial, adds sample to the vial, and replaces the cap.