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Help CenterOriginal Nitrite Color Comparison Tube LH-(0.05-1) in Low Price
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name |
detecting range |
Packing Pcs/bag |
testing time |
COD color comparison tube | 0-147mg/L 0-250mg/L | 50 | 8min |
Cyanide color comparison tube | 0.05-0.2-0.5-1-2-5mg/L | 50 | 5min |
peracetic acid color comparison tube | 0.02-0.1-0.2-0.5-1-5mg/L | 50 | 30s |
formaldehyde color comparison tube | 0.1-0.5-1-2-5-10-15mg/L | 50 | 4min |
Nitrite Color Comparison Tube | 0-0.05-0.1-0.2-0.5-1-3mg/L | 50 | 1min |
Hydrogen Peroxide Color Comparison Tube | 0.02-0.1-0.2-0.5-1-5mg/L | 50 | 1min |
Zinc colorimetric tube | 0-0.5-1-2-5-10mg/L | 50 | 1min |
Phosphorus colorimetric tube | 0.05-0.1-0.2-0.5-1-2mg/L | 50 | 1min |
Ammonia Nitrogen Color Comparison Tube
| 0.2-0.5-1-2-5-10mg/L | 50 | 15min |
Ozone colorimetric tube | 0.1-0.2-0.5-1-2-5-10mg/L 0.05-0.1-0.2-0.5-1-2-5mg/L | 50 | 30s |
Cadmium ions colorimetric tube
| 0-0.1-0.3-0.6mg/L | 50 | 30s |
Nickel Color Comparison Tube | 0.1-10mg/L | 50 | 2min |
Nitrate colorimetric tube | 1-2-5-10-20-45mg/L | 50 | 3min |
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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