17 Mix Perfluorinated Compounds in Methanol | Organic pollutants (water and air)

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17 Mix Perfluorinated Compounds in Methanol 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	Heptafluorobutyric acid	375-22-4	100μg/mL	4%	Methanol
2	PFPeA	2706-90-3	100μg/mL	4%
3	undecafluorohexanoic acid	307-24-4	100μg/mL	4%
4	Perfluoroheptanoic acid	375-85-9	100μg/mL	4%
5	Pentadecafluorooctanoic acid	335-67-1	100μg/mL	4%
6	Heptadecafluorononanoic acid	375-95-1	100μg/mL	4%
7	nonadecafluoro-decanoic acid	335-76-2	100μg/mL	4%
8	Perfluoroundecanoic acid	2058-94-8	100μg/mL	4%
9	perfluoroundecacarboxylic acid	307-55-1	100μg/mL	4%
10	PERFLUOROTRIDECANOIC ACID 97	72629-94-8	100μg/mL	4%
11	heptacosafluoro-tetradecanoic acid	376-06-7	100μg/mL	4%
12	PFHXDA	67905-19-5	100μg/mL	4%
13	PFODA	16517-11-6	200μg/mL	4%
14	Eftop FBSA	375-73-5	100μg/mL	4%
15	perfluorohexane-1-sulphonic acid	355-46-4	100μg/mL	4%
16	MFCD00042454	1763-23-1	100μg/mL	4%
17	perfluorodecanesulfonic acid	335-77-3	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 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 Brown ampoule, with the specification of 1.2mL. It should be protected from breaking when carried or transported.

Storage: at -20 ℃ 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	Methanol
Packing	Brown ampoule
Save conditions	Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to at -20 ℃，shake uniformity.Used up after opening,prevent contamination during use.