农药剂型博客

Properties

Test

Targets

Per FAO

1) Description

·     

·     

2) Active Ingredient (Chemical Stability)

·    3 months at 50°C (0, 1,3 months)

·    2 years at RT (0, 1,3,6,12, 18, 24 months)

·    2 weeks 54°C (as needed)

·    <5% A.I. loss

3) Impurities

·     

·     

4) Water (moisture) content

·    MT 30 (Karl Fisher)

·    0.5% max

5) Acidity/Alkalinity or pH

·    MT 31 or MT 75.2

·    Depends on AI.

6) Wet sieve test

·    MT 167 (refer MT 59.3)

·    0.05% max on 100 mesh sieve

7) Dry sieve test

·    MT 170

·     

8) Suspensibility

·    MT 168 (refer MT 15.1)

·    20, 342& 500 ppm water @ 0°C & 23°C)

·    Criteria for all waters

·    >80% suspension at 0.5 hour

9) Dispersibility test

·    MT 174  

·    1 g/100 ml-measure # of inversions

·    20, 342 & 500 ppm water

·    23°C & 0°C

·    Criteria for all waters and temperatures

·    <10 inversions (FMC)

10) Persistent foam

·     

·     

11) Wetting time

·    MT 53.3.1 - 1 g/100ml

·    20, 342, & 500 ppm water

·    <30 seconds

12) Storage Stability-Stability at 0 C

·    MT 39.22

·    No change in physical appearance

       -Color change

·    Passes above suspensibility and dispersibility test

·    Passes wetting time test

13) Storage Stability-Stability at 50 C (or physical stability)

·    MT 46.1.1

·    No change in physical appearance

·    Passes above suspensibility and dispersibility test

·    Passes wetting time test