15 Mix VOCs in ethyl acetate | Organic pollutants (water and air)

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15 Mix VOCs in ethyl acetate 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	Dichlorvos	62-73-7	100μg/mL	4%	Ethyl acetate
		2,4,6-Trichlorophenol	88-06-2	100μg/mL		4%
		Hexachlorobenzene	118-74-1	100μg/mL		4%
		Dimethoate	60-51-5	100μg/mL		4%
		Pentachlorophenol	87-86-5	100μg/mL		4%
		Lindane	58-89-9	100μg/mL		4%
		Chlorothalonil	1897-45-6	100μg/mL		4%
		Methyl-parathion	298-00-0	100μg/mL		4%
		Heptachlor	76-44-8	100μg/mL		4%
		Malathion	121-75-5	100μg/mL		4%
		Chlorpyrifos	2921-88-2	100μg/mL		4%
		Parathion	56-38-2	100μg/mL		4%
		2,4 '- DDT	789-02-6	100μg/mL		4%
		Di (2-ethylhexyl) phthalate	117-81-7	100μg/mL		4%
		Deltamethrin	52918-63-5	100μg/mL		4%

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 18 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 Ampoule bottle, with the specification of 1.2mL. It should be protected from breaking when carried or transported.

Storage: at 2-8 ℃ 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	Liquid State
Stroma	Ethyl acetate
Packing	Ampoule bottle
Save conditions	Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to at 2-8 ℃，shake uniformity.Used up after opening,prevent contamination during use.