PH test paper
USD $0.1 - $0.5 /Piece
Min.Order:8000 Pieces
Ningbo Yinzhou Sjialab Equipment Co., Ltd.
Detection range :1-14
Packaging: 80pcs, with the colored card
Usage
1.Tore a strip, take a drop of the test solution droplets in solution and note the color reaction on the test strip, and then compared with the color card, and get the ph value.
2 is not used in very weak buffer solution and the acid solution concentration is less than 0.01%
3 of the test strips need to be stored in a dark, dry place.