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Help CenterWholesale Hot Sale Water Quality Test Series Phosphorus Test Kit in Low Price
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Phosphorus Test Kit
1. Specification
Name: Phosphorus Test Kit
Model: LH2020
Type: semi-quantitative
Color reaction: none - blue
Gradation: 0.03-0.06-0.1-0.15-0.2-0.3-0.4-0.5mg/L
Packaging detail: 25units/box
Shelf life: at least 1 year
2. Feature
Quick and easy
Operating in accordance with the instructions, users can complete the phosphorus test independently without specialized training. 10 minutes is enough to complete the analysis of one water sample.
Accurate and reliable
This method equals to the standard method that is the molybdenum blue spectrophotometric method (“water and wastewater monitoring and analysis methods" (4th edition)). The principle is that phosphate reacts with ammonium molybdate and potassium antimonyl tartrate to generate phosphorous-molybdenum heteropoly acid, which is reduced to a blue complex by ascorbic acid
Quantitative packing
The kit can be used for 25 tests. It is small, light and easy to carry.
3. Operation
1) Fill the tube with testing liquid to 15mL, add reagent I, add reagent II after 30s, and sway to well-distributed, wait for 10 minutes.
2) Compare the shown color with the colorimetric chart.
Note: temperature of testing liquid must be 10-30ºC.
4. Application areas
This product can be used in total phosphorus analysis of surface water, fishery water, sea water, irrigation water, domestic sewage and industry wastewaters coming from many industries such as daily chemical, fertilizer, treatment of phosphating metal surface, pesticides, steel and coking.
5. Background of development
Sources of phosphorus
Phosphorus presents in natural water and wastewater almost in the form of various kinds of phosphates, which are divided into orthophosphate, condensed phosphates (pyrophosphate, metaphasphate and multi-phosphate) and phosphate combined of organic. They mainly exist in solution, humus particles or aquatic organisms.
Significance of phosphorus test
There is a trace amount of phosphate in natural water, but domestic sewage and industrial wastewater coming from industries such as fertilizer, smelting, synthetic detergent usually contains a large amount of phosphorus. Phosphorus is one of the essential elements for organisms to growth. But if the concentration in water is too high (excess of 0.2mg/L), it can cause algae overgrowth until the number reached hazardous level (known as eutrophication), resulting in reduced transparency and deterioration in water quality of the rivers and lakes.
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.
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