Product introduction

Red litmus paper.
Red litmus paper is mainly used for the detection of alkaline solution, test case of basic blue
Properties: when the pH value is more than 8.3, litmus blue, less than 8.3, the test does not change color, so red litmus test alkaline solution is not to be read alkaline pH worth reading;
Features: encountered strong oxidation of the material, it is possible to fade, keep the attention to dry and light;
Detection of acid gas, pH of the litmus test for the detection of gas, the first litmus paper with distilled water wetting, and the test paper hanging to contain gas or produce instrument for gas and gas contact after the test strip, color change, in order to determine the gas properties.
Preservation: the test paper should be protected from light and dry place;

Company introduction：

Aoke Biological Engineering （Yangzhou）Co.,Ltd, established in 2,011, is a professional manufacturer engaged in the research, development, production, sale and service of PH test papers,PH special test papers, Qualitative filter papers,Quantitative filter papers,Chemical analysis test papers.Until now,our products have been widely used in scientific search,industry,agriculture,medicine and health,universities and environmental testing. We are located in Yangzhou City,Jiangsu Province with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. In recent years, our company has introduced a series of advanced equipment including Paper cutter, Binding machine, Punch machine and Rolling cutting machine. Anyway,we aim to establish and generalize our own brand.We all hope that we can bring our products to the world one day. Now,selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as France,USA,UK,HK,Switzerland. We also welcome OEM and ODM orders. Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements.We will try to meet your needs.We truly welcome customers from all parts of the world seek cooperation for mutual benefits.If necessary, please contact us in time ,Thanks.