Urine test paper and test strip packaging

Urine PH test strip, the application of PH paper is very wide, the principle of PH reaction is based on the pH indicator method, the general urine pH analysis paper contains methyl red [PH4.2 (red) ~ 6.2 (yellow) ], Bromocresol green [PH3.6 (yellow) ~ 5.4 (green)] bromothymol blue [PH6.7 (yellow) ~ 7.5 (blue)], these mixed acid-base indicators can be appropriately reflected in urine The variation range of PH4.5 ~ 9.0.

bottle for PH test strip

Urine test strip is divided into visual test series and machine test series. The visual inspection series is divided into several models according to the testing items; the mechanical inspection series is divided into several models according to the applicable instruments.

1. Classification by measurement method

1) Visual inspection series

When observing the results, compare the color with the standard color standard within the prescribed time on the color standard, and judge and read the result.

2) Machine test series.

For instrument operation, refer to the instruction manual of the urine analyzer used.

2. Classified by the number of measurement items

There are single, two, four and multiple test strips. At present, the most clinical application in hospitals is 10 or 11 multiple test strips.

3. Classified by structure

There are single-layer membrane structure and multi-layer membrane structure urine analysis test paper.