German imports MN 91328 formaldehyde HCHO rapid test strip test strip cosmetic shampoo ..

Hangzhou Lu Hengsheng Technology Co., Ltd. is a research and development, production, marketing and related reagents water quality testing equipment business, based in Zhejiang University Huajiachi, has four-set. We have been in China water testing industry leader, our aim is to provide customers the most efficient, fastest, most affordable and most convenient testing services! Semi-quantitative test strips formaldehyde Product Code: 91328 Product List: 1 100 test strips 2 bottles of formaldehyde -1 aluminum reagent a test tube marked with hazard information and safety precautions 5 ml scale: -1 formaldehyde reagent containing 32% of Na OH solution. It can lead to serious burns. When contact with eyes, rinse immediately with plenty of water and seek medical assistance. Wear suitable protective clothing, wear gloves and goggles. If you feel unwell, seek medical attention immediately. Usage: 1, rinsed with sample tube and fill to 5 ml mark with; 2, add 10 drops of formaldehyde -1 (Formaldehyde-1) reagent and shake; 3, open the box containing the test strip, remove the sealed aluminum required immediately after the test strip. Do not touch the test area; 4, the test strip into the sample and a second later, remove the test strip and shake off excess liquid, 60 seconds with a standard color cards compared to determine the concentration of formaldehyde. Other aldehydes such as acetaldehyde, glutaraldehyde color reaction occurs at high concentrations, the reaction is different from the color than the color of the color card. Acetone will not react. Strong oxidizing solution and reducing solution can lead to low results. Note: If the value of the test strip shows a 200 mg / l formaldehyde, higher actual concentrations. Therefore, the test solution should be diluted with water only to a concentration of formaldehyde in the test strip range. It should be included in the calculation of the concentration of formaldehyde concentration dilution. Storage: light, moisture. Products stored in a dry place below 30 ° C. Service: 陆恒生 matter if those who support the purchase of equipment warranty for one year, after product purchase, such as what problems can always phone or Want linked encountered during testing. Tips: inhaled formaldehyde can irritate the eyes, nose, throat and lungs and may cause asthma. If you want to try to avoid the use of formaldehyde containing a small amount of baby toiletries, pay attention to check your purchase of goods there is no release of formaldehyde content. Formaldehyde is a carcinogen, long-term living environment in formaldehyde, can easily lead to nasopharyngeal cancer, lung cancer, skin cancer. It therefore proposed, to ensure that air quality living environment, buying low formaldehyde content or formaldehyde-free products in order to avoid the harm of formaldehyde.