| After-sales Service: | 7X24 Online Service |
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| Warranty: | 3 Months Warranty |
| Disposable: | Disposable |
| Samples: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Product Description
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.
Features
1) Caps and glass test tube are ideal for sampling and storage.
2) Caps are lined with PTFE/silicone for excellent sealability and chemical resistance.
3) Caps are manufactured of high quality materials to eliminate sample contamination.
4) Environmental analysis: waster water
5) COD analysis test tube Vial.
6) Pre-cleaning are not available , vials could be used in TOC analysis after cleaning.
16mm Test Tube For water analysis
| Part No. | COD-SC | COD-SC-I | COD-V50 | COD-VF50 | COD-V50-125 | COD-V50-150 |
| Description | White Screw PC Cap with PTFE Septa for 16mm Test tube closures, | White Screw PC Cap with PTFE Septa for 16mm Test tube closures, | 10ml Clear Test tube, Round Bottom, | 10ml Clear Test tube, Flat Bottom, | 12ml Clear Test tube, Round Bottom, | 15ml Clear test tube, Round Bottom, |
| Type | HC | LVB | HC | HC | HC | HC |
| Size | 16x100mm | 16x100mm | 16x125mm | 16x150mm |
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| Packing type1 (25pieces) | Packing type2 (100pieces) |
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
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 infomations. Pay by T/T, Westren Union or Alipay.
Suppliers with verified business licenses
Audited Supplier 
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