17 Mix amino acids quality control in feed | Food matrix standard

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17 Mix amino acids quality control in feed 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	L-Phenylalanine	63-91-2	1.971g/100g	0.296g/100g	Feed
		D-Alanine	338-69-2	3.156g/100g		0.456g/100g
		L-Methionine	63-68-3	0.986g/100g		0.144g/100g
		DL-Proline	609-36-9	2.680g/100g		0.402g/100g
		Glycine	56-40-6	2.230g/100g		0.334g/100g
		L-Glutamic acid	56-86-0	8.246g/100g		1.242g/100g
		L-Cystine	56-89-3	0.800g/100g		0.120g/100g
		L(+)-Arginine	74-79-3	2.211g/100g		0.332g/100g
		L-Lysine	56-87-1	5.290g/100g		0.794g/100g
		Boc-D-tyrosine	70642-86-3	1.600g/100g		0.240g/100g
		DL-Leucine	328-39-2	4.971g/100g		0.746g/100g
		Tryptophan	73-22-3	0.610g/100g		0.091g/100g
		DL-Serine	302-84-1	2.400g/100g		0.360g/100g
		L-Threonine	72-19-5	3.040g/100g		0.456g/100g
		Aspartic acid	6899-03-2	5.550g/100g		0.833g/100g
		Valine	7004-03-7	4.129g/100g		1.622g/100g
		L-Isoleucine	73-32-5	2.900g/100g		0.435g/100g
		L-Histidine	71-00-1	2.091g/100g		0.314g/100g

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 24 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 White plastic bottle, with the specification of 20g. 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	Feed
Packing	White plastic bottle
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