Ningbo Ja-Hely Technology Co., Ltd.
7cm 9cm 11cm 12.5cm 15cm 18cm Lab use Circular or square Qualitative filter paper
7cm 9cm 11cm 12.5cm 15cm 18cm lab use Ashless Quantitative filter paper
Lab use water PH testing Range 6.4~8.0 Special Precision PH test strips paper
Range 8.2~10 Precision PH test paper PH test strip for lab
Range 6.9~8.4 Precision PH test strip PH test paper for lab
Lab use Range 5.5~9.0 Special Precision PH test paper urine PH test strips
Lab use Range 5.4~7.0 Precision PH paper Saliva PH test strips
Lab use Range 3.8~5.4 Precision PH testing strips PH indicator paper
Lab use Range 0.5~5.0 Special Precision PH test paper PH indicator strips
Lab use 2.8*8cm water absorbent Blotting paper gel blot bibulous paper
