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	2μg/mL	6%	Methanol
		Perfluoropentanoic acid	2706-90-3	2μg/mL		6%
		Perfluorohexanoic acid	307-24-4	2μg/mL		6%
		Perfluoroheptanoic acid	375-85-9	2μg/mL		6%
		Pentadecafluorooctanoic acid	335-67-1	2μg/mL		6%
		Perfluorononanoic acid	375-95-1	2μg/mL		6%
		Perfluorodecanoic acid	335-76-2	2μg/mL		6%
		Perfluoroundecanoic acid	2058-94-8	2μg/mL		6%
		Perfluorododecanoic acid	307-55-1	2μg/mL		6%
		Perfluorotridecanoic acid	72629-94-8	2μg/mL		6%
		Perfluorotetradecanoic acid	376-06-7	2μg/mL		6%
		Perfluorohexadecanoic acid	67905-19-5	2μg/mL		6%
		Perfluorooctadecanoic acid	16517-11-6	2μg/mL		6%
		Nonafluorobutane-1-sulfonic acid	375-73-5	2μg/mL		6%
		Perfluorohexane-1-sulphonic acid	355-46-4	2μg/mL		6%
		Perfluorooctanesulfonic acid	1763-23-1	2μg/mL		6%
		Henicosafluorodecanesulphonic acid	335-77-3	2μg/mL		6%

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 30 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: 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	Ampoule bottle
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