Pendimethalin

This standard substance is mainly used for residual detection of corresponding pesticide components in the fields of environment, food, etc., and for the quality of pesticide production departments and testing laboratories Control, calibration of analytical instruments, confirmation and evaluation of analytical methods, etc

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Description

This standard substance candidate is prepared by customizing corresponding pesticide pure products and further purifying them based on their physical and chemical properties using extraction, recrystallization, column chromatography, and other methods. After qualitative and preliminary analysis, it meets the requirements and is dried and packaged (CAS number: 40487-42-1).

Code.	Product Name	Standard value (%)	Relative uncertainty (%), (k=2)
GBW(E)060886	Purity of Pendimethalin	99.9	0.2

Application

Two different and accurate analytical methods, namely high-performance liquid chromatography (UV detector) and gas chromatography (FID detector), are used to determine the purity of standard materials. By using measurement methods and measuring instruments that meet the requirements of metrology, ensure their traceability.

Quality Control

Package, Storage and Usage

Package

This standard substance is packaged in brown screw mouth glass bottles, with each bottle not less than 100 mg.

Storage

Store under refrigerated, dark, and dry conditions.Before use, dry in a P2O5 dryer for at least 48 hours to remove moisture.

Usage

Before using the sample, it needs to be balanced to room temperature. After opening, the seal should be restored as soon as possible and stored under specified conditions.

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