Ametryn

This standard substance is mainly used for pesticide content, residue detection, quality control of detection processes, calibration of analytical instruments, and confirmation and evaluation of analytical methods in fields such as food safety, environment, and agriculture.

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Description

The candidate substance of this standard substance (Atrazine, molecular formula: C9H17N5S, CAS number: 834-12-8) is prepared by customizing the corresponding pesticide pure product and further purifying it through extraction, recrystallization, column chromatography and other methods based on its physical and chemical properties. After qualitative and preliminary analysis, it meets the requirements and is dried and packaged.

Code.	Product Name	Standard value (%)	Relative uncertainty (%), (k=2)
GBW(E)060999	Purity of Ametryn	99.3	0.5

The uncertainty of the standard value comprehensively considers the uncertainty components introduced by the results of the main purity determination, as well as moisture, inorganic impurities, uniformity, stability, etc.

Application

According to JJF1343-2012 "General Principles and Statistical Principles for Calibration of Reference Materials", randomly select packaged samples and use gas chromatography (FID detector) to perform uniformity and stability tests on purity. The test results indicate good uniformity and stability.

The minimum sampling amount for this standard substance is 2mg. The characteristic values and their uncertainties of the standard substance are only valid if the minimum sampling amount is followed. This standard substance has a validity period of 5 years from the date of calibration. The research and development unit will continue to monitor the stability of this standard substance. If any changes in the quantity value are found during the validity period, the user will be notified in a timely manner.

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.

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.

Note

This standard substance belongs to toxic and harmful substances. When using it, precautions should be taken to avoid inhalation or contact with the skin.

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