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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-15-2025 | 14.78 $* | 15.81 $* |
Aug-15-2025 | 14.39 $* | 15.97 $* |
Jul-15-2025 | 12.55 $* | 13.15 $* |
Jun-15-2025 | 14.10 $* | 15.28 $* |
May-15-2025 | 12.29 $* | 13.22 $* |
Apr-15-2025 | 14.62 $* | 15.38 $* |
Mar-15-2025 | 14.94 $* | 15.15 $* |
Feb-15-2025 | 13.93 $* | 14.84 $* |
Jan-15-2025 | 13.15 $* | 14.7 $* |
DPD Total Chlorine Test kit
1. Specification
Product name | Model No. | Measuring range | Test method | No. of Tests | Shelf life |
Chlorine kit | LH2004 | 0.05-1 mg/L | DPD method | 50/box | 2 year |
2. Operation
1. Fill the tube with 15ml testing liquid.
2. Add one packet of DPD reagent into the tube, cover the lid and shake to make reagent dissolve evenly.
3. Put the tube above the colorimetric chart vertically, keep 2cm distance between the bottom of tube to the chart, observe the color in the tube from top to bottom, find out the same color on the colorimetric card to get the concentration of Total Chlorine in the testing liquid.
4, Clean the tube after test.
Note:
(1) The pH value of testing liquid should be between 5.0-8.0, temperature should be between 15-25°C.
(2) The existence of oxidant in the testing liquid will affect the test result.
(3) Please finish the color comparison in 5 minutes after you add DPD reagent in the tube.
The normal package is carton box,it also can be packaged according to customers special request.
We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
Q1: Why choose us?
A: 1. We have our own factory with strong R&D center and QA team which can make sure your goods can be sent out on time and in superior quality.
2. We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
3. We have purveyed customers with the lowest wholesale price.
Q2: How do you guarantee the quality?
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q3: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q4: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q5: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q6: What kind of payment your company accept?
A : T/T , WEST UNION , PAYPAL , ETC.
Q7: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com