22 Mix phthalate esters in n-hexane | Cosmetics

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22 Mix phthalate esters 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	Dimethyl phthalate	131-11-3	1000μg/mL	3%	SHAM_189075
2	Diethyl phthalate	84-66-2	1000μg/mL	3%
3	dipropan-2-yl benzene-1,2-dicarboxylate	605-45-8	1000μg/mL	3%
4	Diallyl phthalate	131-17-9	1000μg/mL	3%
5	Dipropyl phthalate	131-16-8	1000μg/mL	3%
6	Diisobutyl phthalate	84-69-5	1000μg/mL	3%
7	Dibutyl phthalate	84-74-2	1000μg/mL	3%
8	Bis(2-methoxyethyl) phthalate	117-82-8	1000μg/mL	3%
9	BIS(4-METHYL-2-PENTYL)PHTHALATE	146-50-9	1000μg/mL	3%
10	1,2-Benzenedicarboxylicacid, 1,2-bis(2-ethoxyethyl) ester	605-54-9	1000μg/mL	3%
11	Diamyl phthalate	131-18-0	1000μg/mL	3%
12	di-n-Hexyl phthalate	84-75-3	1000μg/mL	3%
13	Butyl benzyl phthalate	85-68-7	1000μg/mL	3%
14	Dibutyl glycol phthalate	117-83-9	1000μg/mL	3%
15	Dicyclohexyl phthalate	84-61-7	1000μg/mL	3%
16	Diheptyl phthalate	3648-21-3	1000μg/mL	3%
17	Dioctyl phthalate	117-81-7	1000μg/mL	3%
18	DIPHENYL PHTHALATE	84-62-8	1000μg/mL	3%
19	n-Dioctyl phthalate	117-84-0	1000μg/mL	3%
20	NSC 4057	523-31-9	1000μg/mL	3%
21	Dinonyl phthalate	84-76-4	1000μg/mL	3%
22	di-n-Decyl phthalate	84-77-5	1000μg/mL	3%

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 , 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 ℃ 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
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.