GB 2548-2008Dichlorvos emulsifiable concentrates (English PDF)

National Standard of the People's Republic of China

ICS

65.100.10

Classification

G25

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

Contents

• 2 Normative references
• 4.1 Sampling
• 4.2 Identification Test
• 4.3 Determination of mass fraction dichlorvos
• 4.3.1 Method summary
• 4.3.2 Reagents and solutions
• 4.3.3 Instruments
• 4.3.4 GC operating conditions
• 4.3.5 Determination Step
• 4.3.5.3 Determination
• 4.4 Determination of the mass fraction of chloral
• 4.4.1 Method summary
• 4.4.2 Reagents and solutions
• 4.4.3 Instruments
• 4.4.4 GC operating conditions
• 4.4.5 Determination Step
• 4.4.5.1 Preparation of standard solution
• 4.4.5.2 Preparation of sample solution
• 4.4.5.3 Determination
• 4.5 Determination of acidity
• 4.5.1 Reagents and solutions
• 4.5.2 Determination Step
• 4.6 Determination of Moisture
• 4.9 Low temperature stability test
• 5.4 DDVP package airiness, dry place.