31 Mix N-alkane in n-Hexane | Organic pollutants (water and air)

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31 Mix N-alkane in n-Hexane 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	Decane	124-18-5	79.7μg/mL	6.4μg/mL	n-Hexane
2	Undecane	1120-21-4	81.2μg/mL	6.4μg/mL
3	Dodecane	112-40-3	79.5μg/mL	6.4μg/mL
4	Tridecane	629-50-5	80.6μg/mL	6.4μg/mL
5	Tetradecane	629-59-4	79.2μg/mL	6.4μg/mL
6	Pentadecane	629-62-9	81.0μg/mL	6.4μg/mL
7	Hexadecane	544-76-3	80.2μg/mL	6.4μg/mL
8	Heptadecane	629-78-7	79.3μg/mL	6.4μg/mL
9	Octadecane	593-45-3	80.8μg/mL	6.4μg/mL
10	Nonadecane	629-92-5	80.3μg/mL	6.4μg/mL
11	Eicosane	112-95-8	78.6μg/mL	6.4μg/mL
12	Heneicosane	629-94-7	80.9μg/mL	6.4μg/mL
13	Docosane	629-97-0	79.2μg/mL	6.4μg/mL
14	Tricosane	638-67-5	81.9μg/mL	6.4μg/mL
15	Tetracosane	646-31-1	81.0μg/mL	6.4μg/mL
16	Pentacosane	629-99-2	81.2μg/mL	6.4μg/mL
17	Hexacosane	630-01-3	80.5μg/mL	6.4μg/mL
18	Heptacosane	593-49-7	81.1μg/mL	6.4μg/mL
19	Octacosane	630-02-4	96.2μg/mL	6.4μg/mL
20	nonacosane	630-03-5	80.1μg/mL	6.4μg/mL
21	Triacontane	638-68-6	78.8μg/mL	6.4μg/mL
22	N-HENTRIACONTANE	630-04-6	78.6μg/mL	6.4μg/mL
23	Dotriacontane	544-85-4	79.5μg/mL	6.4μg/mL
24	Tritriacontane	630-05-7	73.1μg/mL	6.4μg/mL
25	Tetratriacontane	14167-59-0	80.2μg/mL	6.4μg/mL
26	Pentatriacontane	630-07-9	91.2μg/mL	6.4μg/mL
27	Hexatriacontane	630-06-8	92.7μg/mL	6.4μg/mL
28	Heptatriacontane	7194-84-5	78.1μg/mL	6.4μg/mL
29	Octatriacontane	7194-85-6	78.4μg/mL	6.4μg/mL
30	Nonatriacontane	7194-86-7	79.7μg/mL	6.4μg/mL
31	N-TETRACONTANE	4181-95-7	82.1μg/mL	6.4μg/mL

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 Brown ampoule, with the specification of 1.5mL. 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 （27±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	n-Hexane
Packing	Brown ampoule
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.