Hanoi-Vietnam: Methods for testing plant protection chemicals

10:48, 11/07/2024

On October 05, 2018, the Vietnam Ministry of Agriculture and Rural Development issued Circular 12/2018/TT-BNNPTNT stipulating the methods for testing plant protection chemicals.

Circular 12 specifically prescribes the methods for testing plant protection chemicals in Vietnam as outlined in the table below:

No.	Indicator Name	Testing Method
1.	Active ingredient content	According to each specific active ingredient
2.	Drug form	Visual observation
3.	Emulsion stability	TCVN 8382:2010
4.	Suspension rate	TCVN 8050:2016
5.	Foam level	TCVN 8050:2016
6.	Wet sieve analysis fineness	TCVN 8050:2016
7.	Dry sieve analysis fineness	TCVN 8050:2016
8.	Wettability	TCVN 8050:2016
9.	Solubility and solution stability	CIPAC Handbook Vol.H, MT 197 (p.307)
10.	Dilution stability	TCVN 9476:2012
11.	Stability at 0°C storage	TCVN 8382:2010
12.	High-temperature storage stability	TCVN 8050:2016
13.	Dispersion stability	TCVN 8750:2014
14.	Particle size	TCVN 2743:1978
15.	Dustiness	TCVN 8750:2014
16.	Self-dispersion	TCVN 8050:2016
17.	Dispersion	CIPAC Handbook Vol.F, MT 174 (p.435)

Note: The assessment organizations may apply different testing methods with equivalent accuracy and designated by the Plant Protection Department.

More details may be found in Circular 12/2018/TT-BNNPTNT effective from April 2, 2019.

-Thao Uyen-

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