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Help CenterWholesale Formaldehyde Detection Test Tube LH3012 in Low Price
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Water quality test – Formaldehyde test Tube
1. Specification
Product Name: Formaldehyde test Tube
Model: LH-3012
Type: semi-quantitative
Color reaction: none- green -blue
Gradation: 0.1-0.5-1-2-5-10-15mg/L (HCHO)
Packing: 50pcs/box
Shelf life: at least 1.5 year
2. Operation
1. Measure 5mL testing liquid, cut off tube and pour the powder into the testing liquid, sway 2-3 times.
2. Pull out the filament of another tube, Evict the air.
3. Insert the tube into testing liquid, stop inhaling when it is half around.
4. Rock 5 to 6 times slightly, 4 minutes later, compare the shown color with the standard colorimetric card.
Notes: 1) PH of the testing liquid must between 5-8.
3. Feature:
1. Convenient: small size and light weight.
2. Fast: 3-5minutes per sample.
3. Precise: development depends on standard method.
4. Simple operation: no need extra material or instrument, easy to operate
5. Sealed by Aluminum foil, long shelf life.
4. Background of development
This test allows the quick and easy determination of Formaldehyde. It comes with all necessary reagents so that the measurement can immediately be started. Within 1 minute one gets a reliable result.
Formaldehyde is used for a large variety of products, ranging from shampoo to clothes. In large quantities it is used as raw material in the chemical industry. Formaldehyde is poisonous and can cause allergic reactions as well as irritations of skin, eyes and airways. If such reactions are observed after contact with suspicious substances it may be useful to control the Formaldehyde concentration. In closed cooling or heating circuits Formaldehyde is used as biocide.
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.
Hangzhou Lohand Biological Co.,Ltd is a professional company that manufactures and exports laboratory instruments and equipments.We have our own registered brand"LOHAND" and own factory,with strong R&D center,sales team,customer service team and QC team,which grows very fast and obtains good reputation in the markt.
Our major products include: Refractometer,Test paper,pH meter,Electrode,TDS meter,Salinity meter, DO meter,ORP meter,Conductivity meter,Turbidity meter,Color comparison tube,test kit etc.Most of the products have CE certificate.All products can be customized according to buyers' special requirements.
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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