Wholesale laboratory equipment water quality DPD total residual chlorine test kit
USD $7 - $13 /Box
Min.Order:1 Box
Hangzhou Lohand Biological Co., Ltd.
DPD total residual chlorine Test Kit
1. Specification
Name: DPD total residual chlorine Test Kit
Model: LH-2004
Type: semi-quantitative
Color reaction: none-pink
Gradation:0.05-0.1-0.2-0.3-0.4-0.5-0.7-1mg/L
Packaging detail: 50units/box
Shelf life: at least 2 years
2. Feature
Convenient to use:
Light weight and small size, suitable for detection on site, and minimize the errors caused by long transportation; Standardized operation, and minimized manual errors; Real-time monitoring of ozone concentration in production process.
Accurate Measuring:
Scientific formulation, special techniques, and strict quality control; Research and development conducted under international standards and methods; Produced from imported materials, including color agent, buffer agent, spiking agent, and covering agent, etc; Standardized precise colorimetric cards specialized for colorimetric tubes; Double layers aluminum foil, preventing moisture and light.
3. Operation
1. Fill the tube with the testing liquid until 15mL, add one piece of reagent and close tube with lid, then shake up till the reagent is dissolved.
2. Then open the tube and put tube above the color chart, viewing sample from top to bottom and comparing sample color with the color chart, same color result is showing proportion of total residual chlorine.
Notes:
1) The PH of the testing liquid must be controlled between 5.0-8.0, and temperature of testing liquid 15-25ºC.
2) Other oxidant in testing liquid will affect the result.
3) Finish the color comparison step within 5 minutes after adding the reagent.
4. Fields of Application
Household drinking water and water sources, surface water, aquiculture water, irrigation water, seawater, household and industrial wastewater and etc.
Various industries involving large amount of water require frequent water testing, and the controlling of water quality to meet the different standards. In the case of water deterioration, water tests must be conducted immediately, so measures can be taken accordingly, to prevent serious consequences.
The testing packs are very convenient for on site operation, and can satisfactorily meet the requirements in various industries.
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.