17 Mix sulfonamide quality control in fish powder | Food matrix standard

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17 Mix sulfonamide quality control in fish powder View Certificate

This product can be used as a working standard for daily analysis and testing; It can also be used for laboratory quality control such as test method evaluation and instrument calibration.

1、Traceability and value determination method

The standard value is verified by . The traceability of the product quantity value is ensured through the use of production, measurement methods and measuring instruments that meet the requirements of metrological characteristics.

2、Characteristic value and expanded uncertainty

No	Analyte	CAS	Standard value	Uncertainty(k=2)	Matrix
1	Sulfamethizole	144-82-1	45.6μg/kg	9.1μg/kg	fish meal
		Sulfamethazine	57-68-1	52.3μg/kg		10.4μg/kg
		Sulfameter	651-06-9	49.3μg/kg		9.9μg/kg
		Sulfamerazine	127-79-7	47.9μg/kg		9.6μg/kg
		Sulfaguanidine	6190-55-2	43.1μg/kg		8.6μg/kg
		Sulfadoxine	2447-57-6	50.5μg/kg		10.1μg/kg
		Sulfadimethoxypyrimidine	155-91-9	51.3μg/kg		10.3μg/kg
		Sulfadiazine	68-35-9	47.3μg/kg		9.5μg/kg
		Prinz	80-32-0	42.5μg/kg		8.5μg/kg
		Sulfaquinoxaline	59-40-5	43.2μg/kg		8.6μg/kg
		Sulfisoxazole	127-69-5	43.3μg/kg		8.7μg/kg
		Sulfisomidine	515-64-0	43.1μg/kg		8.6μg/kg
		Sulfathiazole	72-14-0	42.9μg/kg		8.6μg/kg
		Sulfapyridine	144-83-2	48.7μg/kg		9.8μg/kg
		Sulfamonomethoxine	1220-83-3	46.6μg/kg		9.3μg/kg
		Sulfamethoxypyridazine	80-35-3	49.3μg/kg		9.9μg/kg
		Sulfamethoxazole	723-46-6	44.9μg/kg		9.0μg/kg

3、Uniformity test and stability investigation

According to ISO 33405 metrology technical specification, the samples are randomly sampled after packaging, and the uniformity test and long-term stability tracking of the product are carried out by . The results show that the uniformity meets the F test rules and has good stability.

The quantitative value of this product is valid for 12 months from the date of value determination. The research and development unit will continue to track and monitor the stability of the product. If the value changes during the validity period, the user will be notified in time.

4、Packaging storage and use

Packaging: This product is packaged in aluminum foil bag, with the specification of 10g. It should be protected from breaking when carried or transported.

Storage: and in the sealed and light-proof conditions. Before use, it should be （20±3）℃℃ fully shaken to ensure homogeneity. This product should be used as soon as possible after being opened. During the use process, strict precautions should be taken to prevent contamination.

Form	Solid State
Stroma	fish meal
Packing	aluminum foil bag
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