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China, Chinese water test strips for hardness chlorine pH testing1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Analysis InstrumentLiquid AnalyzerResidual chlorineWater reagent
Qingdao Develop Chemistry Co., Ltd.
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Product Description Product Name: DPD residual chlorine reagentCAS No.: 93-05-0Synonyms: N,N-Diethyl-p-phenylenediamine; 4-amino-N,N-diethylanilineMolecular Weight: 164.25Chemical Formula: C10H16N2Molecular Weight: 100mm*30mm/10 piecesThe DPD residual chlorine reagent is a DPD tablet. It is a reagent suitable for the detection of residual chlorine in swimming pools. It can quickly detect the concentration of residual chlorine in the water. The detection range of the DPD reagent is 0-0.1mg/L. Compare the color of the water with the color of the color card. The closest reading is the residual chlorine concentration of the water sample.Why we need DPD test?Pool operators need to be confident that the disinfectant is correctly dosed and controlled, for both the health and comfort of the bathers. Disinfection of swimming pools is usually achieved using chlorine. Adequate free chorine is required to prevent infections, while eye irritation is minimised by keeping the combined chlorine residual as low as possible.Studies from many countries including the United States, the United Kingdom, and Europe agree that pool water is safe when the chlorine content is maintained at 1.5 mg/L (or higher) and the pH is between 7.0-7.4. Although experts generally believe that the risk of infection from swimming pools is small, because when the virus enters the water, it will be diluted, and active disinfection will make the virus inactive. However, only regular effective testing and management of swimming pool facilities can fully ensure the water safety of swimming pool users.Q: How long is your delivery time?A: It generally takes 5-10 days if the goods are in stock, or 15-20 days if the goods are not, depending on the quantity ordered.Q: Do you provide samples? Does it cost extra to request one?A: Yes, we could offer the sample for free by requests but are not responsible for the freight cost.Q: What is your terms of the payment ?A: If the payment is<=1000USD, please pay 100% in advance. If the payment is>=1000USD, please pay 30% T/T in advance, balance before shippment.If you have any other questions, please feel free to contact us.Q: Can you support OEM /ODM?A: Yes, we can make products as your request.Q:How can I get some samples?A: Please send us your address, we'll be happy to offer you samples.Q:Do you have stock?A: We understand that most customers prefer products in stock, so we'll try to keep most products in stock. However, we can keep certain products in stock because they need time to be synthesized.Q:What documents you provide?A:Usually, we provide Commerical Invoice, Packing List, Bill ofloading,Insurance,COA , and Origin certificate. If your markets have any special requirements, let us know.Q:How do you treat quality complaint?A:First of all, our quality control will reduce the quality problem to nearly zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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