Measuring Range |
0.1 to 20 ppm |
Sampling Hours |
1 to 10 hours |
Detecting Limit |
0.05 ppm (10 hours) |
Color Change |
Yellow → Reddish Brown |
Reaction Principle |
3HCHO + (NH2OH)3 H3PO4 → H3PO4 H3PO4 + Base+Phosphate |
Coefficient of Variation |
10% (for 1 to 20 ppm-hr) |
Shelf Life | 1 Year |
Corrections for temperature & humidity |
Unnecessary |
Store the tubes in the refrigerator to keep at 10oC (50oF) or below. |
Measuring Range |
0.1 to 20 ppm |
Sampling Hours |
1 to 10 hours |
Detecting Limit |
0.05 ppm (10 hours) |
Color Change |
Yellow → Reddish Brown |
Reaction Principle |
3HCHO + (NH2OH)3 H3PO4 → H3PO4 H3PO4 + Base+Phosphate |
Coefficient of Variation |
10% (for 1 to 20 ppm-hr) |
Shelf Life | 1 Year |
Corrections for temperature & humidity |
Unnecessary |
Store the tubes in the refrigerator to keep at 10oC (50oF) or below. |