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Chromium(VI) Test Kit
1. Specification
Name: Chromium Test Kit
Model: LH2022
Type: semi-quantitative
Color reaction: none-purple
Gradation: 0.05-0.1-0.2-0.3-0.4-0.6-0.8-1mg/L
Packaging detail: 25units/box
Shelf life: at lease 1year
2. Feature
1) Easy to Operate:
Users do not require special training, and can refer to the use instruction on the colorimetric card, and independently finish water testing in 10 minutes per water sample.
2) Accurate Measuring:
Testing methods are conducted under international standards, with a range of 0-1.0 mg/L.
3) Convenient Packs:
Every pack is for 25 tests with attributes of small size, lightweight and convenience for carrying.
3. Operation
1. Fill the tube with testing liquid to 15mL, add one pack of the reagent, sway to dissolved, wait for 10 minutes.
2. Look from up to the bottom of the tube and compare the shown color with colorimetric chart come out a result.
Note: temperature of testing liquid must be 10-30ºC.
4. Fields of Application:
Household drinking water, water sources, bottled water, 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 caused.
5. Development Background:
Sources of Cr Pollution:
Major Cr pollutions usually come with the waste water and smoke released from mining and mineral processing industries, smelting and plating industries, machine, automobile, and aircraft manufacturing, dyeing, printing, and pharmaceutical industries, etc.
Hazard Caused by Cr:
Cr is one of the minor elements in organisms. However, large amount of Cr present can contaminate the environment, and is also harmful to our health. All chemicals containing Cr are toxic. Cr6+ is most toxic, which is 100 times more toxic than Cr3+, and Cr2+ is least toxic. Most Cr chemicals can accumulate in biological bodies.
Usually, Cr (VI) is the cause of most Cr poisoning. Clinical symptoms can vary depending on the ways of contact. Drinking contaminated water can cause sick feeling and diarrhea, etc. Skin contact with Cr can cause irritation, dermatitis, or eczema, which has symptoms of having many small coin shape inflammations; they are subacute, red spotted, infiltrating, peeling, and slow healing. Inhalation of Cr can cause irritation, corrosion to airway and also inflammation in nasal cavity, throat, and bronchia. When serious, it can even cause erosion and ulcers in nasal cavity. Cr is also carcinogenic.
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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