PRODUCTS for PETROCHEMISTRY Detailed Hydrocarbon Analysis of the primary petrol, refinery compounds and final products Detailed Hydrocarbon Analysis of the primary petrol, refinery compounds and final products

PRODUCTS for PETROCHEMISTRY Precise purity determination for benzene, toluene, xylene and another petrochemical products

PRODUCTS for PETROCHEMISTRY Quality Control for primary petroleum processing installations, catalytic reforming installations and other processing objects

PRODUCTS for PETROCHEMISTRY Refinery Gas Analysis, Water and Sulphur determination in petroleum products

PRODUCTS for PETROCHEMISTRY And also other standard and custom analytical measurements using UNICHROM system

PRODUCTS for PETROCHEMISTRY And also The Detailed Hydrocarbon Analysis of AUTOMOTIVE PETROLS And also The Detailed Hydrocarbon Analysis of AUTOMOTIVE PETROLS Simple implementation of analytical measurements according to GOST, ASTM and other certificate documentation in automatic mode!

PRODUCTS for PETROCHEMISTRY Detailed Hydrocarbon Analysis is made using Automotive Petrol Analyser Detailed Hydrocarbon Analysis is made using Automotive Petrol Analyser The gas chromatograph equipped with Flame-ionisation detector which has detection limit less than 2  gC/s and oven programming capability from 35 to 300  C with rate 5  C/min + UNICHROM-DHA

PRODUCTS for PETROCHEMISTRY The most important parts of Automotive Petrol Analyser The gas chromatographic capillary column with stationary liquid phase of polymdimethylsyloxane, length 50 meters, diameter 0.32 mm and film thickness 0,52  m + + Capillary column connection interface with capability of splitting carrier flow into rate 1 : 100 and detector makeup gas

PRODUCTS for PETROCHEMISTRY And as result 300 identified components and the same quantity of unknowns

PRODUCTS for PETROCHEMISTRY Software module of UNICHROM system «DHA.DLL» is automatically identifies known and unknown components Using of special algorithms for interpolation of physical and chemical substance properties to unknown components allows to complement our knowledge about petroleum sample being analysed

PRODUCTS for PETROCHEMISTRY We made calculations using internal normalisation method taking in account detector response factors So we have got VOLUME, MASS and MOLAR content of ALL individual hydrocarbons

PRODUCTS for PETROCHEMISTRY LESS THAN ± 3.6 % Relative error of concentration determination

PRODUCTS for PETROCHEMISTRY Fractional contents Saturated vapour pressure Motor octane number Research octane number Density Fractional contents Saturated vapour pressure Motor octane number Research octane number Density Using components content the UNICHROM DHA module calculates the following parameters of lead-free automotive petrol

The automatic gas chromatographic system for detailed determination of petrol components and the basic petrol parameters

The automatic gas chromatographic system UNICHROM for the detailed hydrocarbon analysis (DHA) of various petroleum fractions and products has been developed. Samples of gasoline are analysed by temperature programmed gas chromatograph on a high-resolution capillary column which separates hydrocarbons in order of their boiling points. Individual components are identified comparing their Kovats or linear retention indices with a library of 330 components. Individual components are identified comparing their Kovats or linear retention indices with a library of 330 components. Then all the major gasoline standardised specifications are calculated from the obtained DHA data.

As the result of single chromatographic petrol sample analysis (about 70 min) it is possible to determine such characteristics: - Detailed hydrocarbon and fractions contents (conforms ASTM D5134, GOST 6994 and ASTM D5580, GOST 8997 and GOST 2070), - Contents of aromatic components (conforms GOST 6994 and ASTM 5580), - Contents of olefin components (conforms GOST 8997 and 2070), - Fractional content (conforms GOST 2177 and ASTM D86), - Detonation stability expressed in terms of research octane number RON (conforms GOST 8226 and ASTM 2699), - Detonation stability expressed in terms of motor octane number MON (conforms GOST 511 and ASTM 2700), - Saturated vapour pressure (conforms GOST and ASTM 2889), - Density (conforms GOST 3900 and ASTM 4052). The high reproducibility and the reliability of developed system UNICHROM in the Central Laboratory of the Mozyr Oil Refinery (Belarus) and in The State Criminal Centre of the Home Office of Belarus has been achieved. The method is certified at The State Metrology Committee of Belarus (No. MVI.MN ).

Here is petroleum analysis report with detailed hydrocarbon analysis data and distillation curve was generated using DHA data.

The typical chromatogram of gasoline

Comparison of D (Density) values calculated from GC analysis and measured by the standardised method in accordance with ASTM 4052 and GOST

Comparison of FC (Fractional Content) values calculated from GC analysis and measured by the standardised method in accordance with ASTM D86 and GOST

Comparison of MON (Motor Octane Number) values calculated from GC analysis and measured by the standardised engine method in accordance with ASTM D2700 and GOST

Comparison of RON (Research Octane Number) values calculated from GC analysis and measured by the standardised engine method in accordance with ASTM D2699 and GOST

Comparison of SVP (Saturated Vapour Pressure) values calculated from GC analysis and measured by the standardised method in accordance with ASTM 2889 and GOST

FC (Fractional Content) diagram of gasoline calculated from DHA data. Distillation % Temperature of distillation, °C

The individual and border compounds of 31 chromatographic groups. Group 1 to 15.

The individual and border compounds of 31 chromatographic groups. Group 16 to 31.