High quality COD reagent vial factory water analysis 16mm Test Tube COD Glass Vial with Screw cap and septa

The Chemical Oxygen Demand (COD) test is widely used as a measure of organic contamination by determining the quantity of oxygen required for oxidation of reduced species including organic matter, in a water sample using a specific oxidizing agent, temperature and time reduction. COD testing is a good better indicator of organic pollutants in industrial wastewater containing cyanides and heavy metals. COD testing affords rapid response to changing conditions before critical problems develop. Aijiren is one of the largest COD vials test tube manufacturer, which COD vial is wholesale price.

We don't supply COD Reagent. Aijiren only supply glass screw cap test tube.

Please click "Call us" or "Contact the supplier" to get parameters.

Aijiren can also supply Flat bottom COD test tube, if you don't find flat bottom COD test tube in the shop, you can also tell the supplier. The customer servicer will give you answer.

Note:If you need to use sea or air transportation, or if the freight generated automatically by the system is inaccurate, please contact customer service to change the freight.

Q1.What is the MOQ?

A:For vials & caps MOQ is 1pack(100pcs), for hand crimper MOQ is 1pcs, for syringe filter MOQ is 1pack(100pcs).

Q2.Can you provide OEM service?

A:Yes, we had already do OEM service for more than two world famous Brand in chromatography area.

Q3.What is the charge standard about the Samples?

A: 1) For our first cooperation, free sample will be provide buyer afford the shipping cost.

     2) For our old customer, we will send free sample, even though new designs sample, when have stocks.

     3) Sample delivery date is within 24 to 48 hours, if have stocks; Customer design is about 3-7 days.

Q4.How to star order or make payment?

A: Proforma Invoice will be sent first after confirmation or order together with our bank informations.

Pay by T/T, Western Union or Alipay.

Q5. How to confirm product quality before placing orders?

A: After production, all articles are delivered to QC center, only qualified products can be release to the next procedure. Meanwhile, you are welcome to ask for free samples.

Zhejiang Aijiren, Inc. was founded in 2007. The enterprise covers more than 10000 square meters,and has clean workshop more than 2000 square meters. 100000 class cleaning room, Multiple automated production lines, 36 senior technicians, This is how we keep good quality and compatitive price for global valued customers.
Aijiren mainly supply autosampler vial, HPLC vial, GC vial, septa and caps, EPA vial, TOC vial, COD vial, liquid chromatography and Gas chromatography vial, reagent bottle with GL45/GL80 screw cap and glass stopper. All of the products is wholesale price. Aijiren has serviced more than 4200+ clients, Hope you service you.

Please send inquiry, right now.