Standard substance for n-hexadecane solution in carbon tetrachloride

CAS544-76-3 $r $n Specification 5mL $r $n Concentration 100 μ g/mL $r $n Form Liquid $r $n Matrix Carbon tetrachloride $r $n Validity period 18 months $r $n Storage conditions: Store under refrigeration, sealed and dark conditions. Before use, it should be equilibrated at room temperature (20 ° C to 3 ° C) and shaken thoroughly to ensure uniformity. Once the ampoule is opened, it should be used immediately and cannot be melted again before being used as a standard substance. During use, strict precautions should be taken to prevent contamination. This standard substance can be used as a working standard for daily analysis and detection; It can also be used for laboratory quality control such as testing method evaluation and instrument calibration.

Product Number BWQ7593-2016

Chinese name

Standard substance for n-hexadecane solution in carbon tetrachloride

English name

n-Hexadecane in Carbon tetrachloride

CAS 544-76-3

Specifications 5mL

concentration 100μg/mL

form liquid

matrix carbon tetrachloride

Validity period 18 months

Storage conditions Store under refrigerated, sealed, and dark conditions. Before use, it should be equilibrated at room temperature (20 ± 3 ℃) and shaken thoroughly to ensure uniformity. Once the ampoule is opened, it should be used immediately and cannot be melted again before being used as a standard substance. During use, strict precautions should be taken to prevent contamination.

purpose This standard substance can be used as a working standard for daily analysis and testing; It can also be used for laboratory quality control such as testing method evaluation and instrument calibration.

Other Matters 2018-08-31

reference materials Air and Waste Gas Monitoring and Analysis Methods (Fourth Edition Supplementary Edition).

alias Cetane; Hexadecane; hexadecane

Physicochemical properties Density 0.8 ± 0.1 g/cm3 Boiling point 286.6 ± 3.0 ° C at 760 mmHg Melting point 18 ° C (lit.) Molecular formula C16H34 Molecular weight 226.441 Flash point 135.0 ± 0.0 ° C Mass 226.266052 LogP 9.26 Appearance: Colorless liquid Vapor density 7.8 (vs air) Vapor pressure 0.0 ± 0.3 mmHg at 25 ° C Refractive index 1.434 Storage conditions: 1. Store in a cool, dry, well ventilated warehouse. 2. Keep away from sources of fire and heat. Protect from direct sunlight. Sealed packaging. 3. It should be stored separately from acidic and edible chemicals, and avoid mixing storage. The storage area should be equipped with suitable materials to contain leaked materials. stability

1. Use and store according to specifications, without decomposition, and avoid contact with oxides

2. Exists in tobacco leaves and smoke.

Quantity information

component standard value uncertainty

n-hexadecane 100μg/mL 4%