18 Mix VOCs in methanol | Organic pollutants (water and air) | Reference Materials

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Weiyel > Environment > Organic pollutants (water and air) > 18 Mix VOCs in methanol

18 Mix VOCs in methanol

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  • Cat No.：SHAM_121601
  • Form：Liquid State
  • Term of validit：18 Months
Pack Size:
  • 1.2mL , 50μg/mL
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18 Mix VOCs 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 Benzene 71-43-2 50μg/mL 5% Methanol
2 Toluene 108-88-3 50μg/mL 5%
3 Ethylbenzene 100-41-4 50μg/mL 5%
4 para-xylene 106-42-3 50μg/mL 5%
5 m-Xylene 108-38-3 50μg/mL 5%
6 1,2-xylene 95-47-6 50μg/mL 5%
7 phenylethylene 100-42-5 50μg/mL 5%
8 Benzene,(1-methylethyl)- 98-82-8 50μg/mL 5%
9 Chlorobenzene 108-90-7 50μg/mL 5%
10 1,4-Dichlorobenzene 106-46-7 50μg/mL 5%
11 1,2-Dichlorobenzene 95-50-1 50μg/mL 5%
12 Dichloromethane 75-09-2 100μg/mL 4%
13 Trichloroethylene 79-01-6 100μg/mL 4%
14 Tetrachloroethylene 127-18-4 100μg/mL 4%
15 trans-1,2-Dichloroethylene 156-60-5 100μg/mL 4%
16 cis-1,2-dichloroethylene 156-59-2 100μg/mL 4%
17 1,2-Dichloroethane 107-06-2 100μg/mL 4%
18 Chloroform 67-66-3 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 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 Brown ampoule, 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 ℃ 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.
18 Mix VOCs in methanol Essential Information
Form Liquid State
Stroma Methanol
Packing Brown ampoule
Save conditions /
Magnitude Information
No Analyte Standard value Uncertainty(k=2) CAS
1 Benzene 50μg/mL 5% 71-43-2
2 Toluene 50μg/mL 5% 108-88-3
3 Ethylbenzene 50μg/mL 5% 100-41-4
4 para-xylene 50μg/mL 5% 106-42-3
5 m-Xylene 50μg/mL 5% 108-38-3
6 1,2-xylene 50μg/mL 5% 95-47-6
7 phenylethylene 50μg/mL 5% 100-42-5
8 Benzene,(1-methylethyl)- 50μg/mL 5% 98-82-8
9 Chlorobenzene 50μg/mL 5% 108-90-7
10 1,4-Dichlorobenzene 50μg/mL 5% 106-46-7
11 1,2-Dichlorobenzene 50μg/mL 5% 95-50-1
12 Dichloromethane 100μg/mL 4% 75-09-2
13 Trichloroethylene 100μg/mL 4% 79-01-6
14 Tetrachloroethylene 100μg/mL 4% 127-18-4
15 trans-1,2-Dichloroethylene 100μg/mL 4% 156-60-5
16 cis-1,2-dichloroethylene 100μg/mL 4% 156-59-2
17 1,2-Dichloroethane 100μg/mL 4% 107-06-2
18 Chloroform 100μg/mL 4% 67-66-3
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