GB/T 1601-1993 in English

SUPERSEDED

Determination method of pH value for pesficides

Issued on:1993-12-30
Implemented on:1994-10-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $90.00
$88.00

Standard No:	GB/T 1601-1993
Document status:	SUPERSEDED
Superseded by:	GB/T 1601-2023 Determination method of pH value for pesticides
Superseded on:	2024-04-01
Title in English:	Determination method of pH value for pesficides
Title in Chinese:	农药pH值的测定方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	1993-12-30
Implemented on:	1994-10-01
ICS Classification:	65.100-Pesticides and other agrochemicals
Chinese Classification:	G23-Basic standards and general methods for pesticides
Professional Classification:	GB-National Standard
Related Keywords:	determination method determination procedures additional explanation ph value method determination
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1 Application scope

This method is applicable to the determination of the pH value of aqueous dispersions (or aqueous solutions) of pesticides’ technical materials, powders, wettable powders, emulsifiable concentrates, etc.

2 Definitions

The pH value of an aqueous liquid is defined as the common logarithm of the reciprocal of the hydrogen ion concentration expressed in mol/L.

3 Outline of method

The pH value of an aqueous liquid is determined by means of a pH meter.

4 Reagents and solutions

4.1 Water: freshly boiled and cooled (to ambient temperature) distilled water of pH 5.5 to 7.0.

1 Application scope
2 Definitions
3 Outline of method
4 Reagents and solutions
5 Apparatuses
6 Determination procedures
Additional explanation:

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