Calibration Test Powder Packets For PH Test Reference Solution :

Use Directions Of PH Test Reference Solution :
Completely empty the powder into a clean 250ML glass beaker,add 250ML deionized water to this beaker,stir unitl the

powder is completed dissolved.

PH Standard Value Form For PH Test Reference Solution :

FY EP Sci-Tech Co., Ltd (Holding Company: HT Engineering Machinery Limited) is a professional enterprise engaged in the research and production of water purifiers, water testing devices and other environmentally-friendly high-tech products.

We own a professional team for quality & technology management and quality assurance, have attained ISO quality management system and CE certificate. The product design bases on the original research findings from the top lab in China.

We adhere to the development concept of "pragmatic innovation, going beyond ourselves, pursuing excellence, customer first" and the technical concept of "for each passing day, one step ahead" to pursue the win-win situations between our company and customers.

After years of efforts, our products have been sold to more than 100 countries and regions, mainly including Asia, Europe, North America, South America, Africa, Oceania markets and improving the reliability than ever.

With high quality products,innovative R&D capacity,reasonable prices and perfect after-sale services,we sincerely welcome you for business cooperation.