{"id":56077,"date":"2024-03-20T15:22:15","date_gmt":"2024-03-20T15:22:15","guid":{"rendered":"https:\/\/scioninstruments.com\/doubling-throughput-in-fatty-acid-methyl-ester-analysis\/"},"modified":"2025-03-17T12:22:40","modified_gmt":"2025-03-17T12:22:40","slug":"doubling-throughput-in-fatty-acid-methyl-ester-analysis","status":"publish","type":"page","link":"https:\/\/scioninstruments.com\/us\/doubling-throughput-in-fatty-acid-methyl-ester-analysis\/","title":{"rendered":"Doubling Throughput in Fatty Acid Methyl Ester Analysis"},"content":{"rendered":"

Introduction<\/h2>\n

In the constant quest for cost reduction, speed of analysis and sample throughput this application outlines the possibilities of doubling sample throughput with existing equipment. A SCION 456 GC was equipped with two identical channels containing a split\/splitless injector, a FAME column and a Flame Ionisation Detector (FID). A single SCION 8400 autosampler was used to inject two samples into the two injection ports.<\/p>\n

The advantages of this approach are two-fold. First and foremost, a doubling of sample throughput is obtained. Secondly, this can be done without adding hardware to the autosampler system; for the second simultaneous injection.<\/p>\n

This application note focuses on chromatographic performance and system integrity by showing that both channels perform equally well on peak repeatability and peak resolution.<\/p>\n

Experimental<\/h2>\n

The analytical parameters of the SCION GC-FID system can be found in Table 1.<\/p>\n

Table 1<\/span> GC-FID parameters<\/p>\n

\"Throughput<\/p>\n

The standard used throughout this application was a 0.04 to 0.1% (per components) C4 to C24 FAME Mix. Samples included butter and tallow, rendered from animal fats.<\/p>\n

Results<\/h2>\n

The FAME standard was injected on both channels, as shown in Figure 1.<\/p>\n

\"FAME<\/p>\n

Figure 1<\/span> FAME standard on two channels.<\/p>\n

Table 2 details peak identification, in relation to Figure 1. To demonstrate that the time delay did not influence system integrity and performance, repetitive injections were done. The peak area average was compared with the internal standard C16:0. The average areas of each channel along with the relative value compared to C16:0 can also be found in Table 2.<\/p>\n

Table 2 clearly shows that integrity and performance are not affected by the injection delay; when data is compared, there is virtually no difference observed in relative peak area per component between both channels.<\/p>\n

Both butter and tallow samples were then analyzed. Figures 2 and 3 show the chromatograms generated with peak identification the same as Table 2.<\/p>\n

Table 2<\/span> Example results, Peak ID, Peak Area ratio Per Channel (N=7) and Normalised Peak Area vs 16:0<\/p>\n

\"\"<\/p>\n

\"FAMEs<\/p>\n

Figure 2<\/span> FAMEs in a butter sample, on one channel<\/p>\n

\"FAMEs<\/p>\n

Figure 3<\/span> FAMEs in a tallow sample, on one channel<\/p>\n

Conclusion<\/h2>\n

The data presented here clearly shows that a SCION 456-GC equipped with an 8400 autosampler easily handles dual injection. This capability immediately results in doubling throughput of a sample without adjustments to the system.<\/p>\n

Download The Application Note<\/h2>\n

Download a copy of this application note here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

This application note focuses on chromatographic performance and system integrity by showing that both channels perform equally well on peak repeatability and peak resolution.<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-56077","page","type-page","status-publish","hentry"],"acf":{"rf_hero_height":"default","rf_hero_type":"default","rf_hero_vertpos":"50","rf_hero_horizpos":"50","rf_hero_title":"","rf_hero_title_hide":false,"rf_hero_textcol":"light","rf_hero_bgcol":"white","rf_hero_tint":false,"rf_further_reading_posts":false},"yoast_head":"\nDoubling Throughput in Fatty Acid Methyl Ester Analysis | SCION Instruments<\/title>\n<meta name=\"description\" content=\"This Application Note Focuses on Chromatographic Performance and System Integrity. 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