{"id":1585,"date":"2025-06-03T15:00:05","date_gmt":"2025-06-03T08:00:05","guid":{"rendered":"https:\/\/htiscientific.vn\/?p=1585"},"modified":"2025-06-06T16:05:58","modified_gmt":"2025-06-06T09:05:58","slug":"phan-tich-dau-mo-xac-dinh-ham-luong-vet-kim-loai-theo-phuong-phap-astm-d8110-17-bang-thiet-bi-nexion-2200-icp-ms","status":"publish","type":"post","link":"https:\/\/htiscientific.vn\/en\/phan-tich-dau-mo-xac-dinh-ham-luong-vet-kim-loai-theo-phuong-phap-astm-d8110-17-bang-thiet-bi-nexion-2200-icp-ms\/","title":{"rendered":"Analysis of Petroleum Products According to ASTM Method D8110-17 Using the NexION 2200 ICP-MS"},"content":{"rendered":"

The ASTM method D8110-17 titled \u201cStandard Test Method for Elemental Analysis of Distillate Products by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)\u201d 1 describes a procedure for the determination of a few trace elements in light and middle distillate petroleum products using ICP-MS. Traditionally, such analysis was performed by inductively coupled plasma optical emission spectroscopy (ICP-OES) and atomic absorption spectroscopy (AAS), but specifications for some elements have changed and technology with better detection limits, such as ICP-MS, is now required.\n Contaminants in feedstock can harm refinery processes. Those in petroleum products can compromise the quality of fuels, causing premature breakdown of mechanical equipment, poison catalysts, and impact performance of the final products, such as various chemicals, plastics, and synthetic materials. They also may have harmful effects on the environment when discharged. Light petroleum distillate products, such as naphtha and jet fuel, with low boiling points are usually diluted in a less volatile solvent for analysis, while middle products, such as kerosene, can be analyzed directly.<\/span><\/p>\n

There are certain challenges in analyzing petroleum products. Volatile samples can destabilize or even extinguish the plasma. Also, carbon may build up in the sample introduction system and deposit on the interface cones. In addition, carbon-based spectral interferences on several analytes of interest can lead to false analytical results. Analysis of Petroleum Products According to ASTM Method D8110-17 Using the NexION 2200 ICP-MS APPLICATION NOTE ICP - Mass Spectrometry AUTHOR Ewa Pruszkowski, Ph.D. PerkinElmer Shelton, CT, USAAnalysis of Petroleum Products According to ASTM Method D8110-17 Using the NexION 2200 ICP-MS Fortunately, these challenges can be easily overcome with PerkinElmer\u2019s NexION\u00ae ICP-MS portfolio. This work presents the analysis of petroleum products according to ASTM D8110-17 using the NexION 2200 ICP-MS.3 The NexION 2200, featuring a freerunning 34-MHz RF generator, delivers fast impedance matching to rapidly adjust to changing sample matrices, while the wide-aperture cones of the Triple Cone Interface (TCI) with OmniRing\u2122 technology 4 offer unparalleled resistance to clogging, and most importantly, enhanced sensitivity. Furthermore, the ability to use pure reaction gases, such as NH3 , in the quadrupole-based Universal Cell (UCT)5 is instrumental for removing spectral interferences.<\/span><\/p>\n

Experimental<\/strong><\/span><\/p>\n

Sample and Standard Preparation<\/strong><\/span><\/p>\n

For this study, three commercial petroleum products were analyzed representing light naphthas \u2013 Odorless Paint Thinner \u201cMona Lisa\u201d, 100% Pure Odorless Mineral Spirit \u201cGamsol\u201d and Industrial Paint Thinner \u201cVarsol\u201d. Before analysis, these samples were diluted w\/w 1:10 with V-Solv\u2122 ICP Solvent (PerkinElmer, Shelton, Connecticut, USA).<\/span><\/p>\n

As a method accuracy check, a diluted NIST Standard Reference Material 1634c, Trace Elements in Fuel Oil, was used.<\/span><\/p>\n

The calibration standards were prepared from the V-26 Wear Metal Standard (PerkinElmer) by dilution in V-Solv. The diluted Wear Metal Standards V-21+K (PerkinElmer) was used as a calibration verification solution. A diluted Co Single Element in Hydrocarbon Oil Standard (PerkinElmer) was spiked into the V-Solv blank, standards and samples, as an internal standard.<\/span><\/p>\n

Instrumentation and Parameters<\/strong><\/span><\/p>\n

In this application note\u00a0the PerkinElmer NexION 2200 ICP-MS<\/a>\u00a0, a single-analyzer-quadruple system with three-quad design described in detail in the NexION 2200 interactive brochure, was employed.<\/span><\/p>\n

Samples were delivered to the system via a self-aspiration PFA probe to avoid potential problems with peristaltic pump stretching or even deterioration during long hours of operation. The MEINHARD\u00ae glass nebulizer aspirated samples at a rate of 200 \u00b5L\/min. The nebulizer flow was optimized for the best sensitivity and lowered slightly to accommodate the O2<\/sub>\u00a0addition (via a spray chamber port) that prevents carbon from building up on the cones. Oxygen flow was 6% of the total nebulizer gas flow. The cyclonic spray chamber was chilled to -5 oC to lower the solvent vapor entering the plasma.<\/span><\/p>\n

The proprietary quadrupole-based Universal Cell (UCT), pressurized with 100% pure ammonia, through predicable and repeatable reactions provides superior spectral interference removal, improving method detection limits (MDLs) and reliability of results. Instrumental parameters are listed in Table 1.2<\/sub>\u00a0ho\u1eb7c O2<\/sub>\u00a0l\u00e0 c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c nhi\u1ec5u quang ph\u1ed5 b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh nguy\u00ean t\u1eed ho\u1eb7c ion c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng kh\u00e1c ho\u1eb7c t\u1ea1o th\u00e0nh ion c\u1ee5m v\u1edbi ch\u1ea5t ph\u00e2n t\u00edch (Mass Shift) \u1edf kh\u1ed1i l\u01b0\u1ee3ng cao h\u01a1n. C\u00e1c th\u00f4ng s\u1ed1 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong B\u1ea3ng 1.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Table 1. NexION 2200 ICP-MS Instrumental Parameters.<\/em><\/strong><\/span><\/p>\n

Results and Discussion<\/strong><\/span><\/p>\n

Calibration Curves<\/strong><\/span><\/p>\n

Three calibration standards (10, 20 and 40 ng\/g) were prepared from the S-26 Wear Metal Standard by dilution in V-Solv. The V-Solv blank and the standards were spiked with Co as an internal standard to the final concentration of 10 ng\/g.<\/span><\/p>\n

The calibration curves for the elements listed in the ASTM method are shown in Figure 1, all having correlation coefficients > 0.9999.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Figure 1. Calibration curves for seven analytes listed in ASTM D8110-17 method.<\/em><\/strong><\/span><\/p>\n

Method Detection Limits<\/strong><\/span><\/p>\n

According to ASTM D8110-17, method detection limits have to be determined annually or whenever a significant change in background or instrument response is expected, using the following formula: MDL = (t) x (s)\n\n where: \nt = students\u2019 t value for a 99% confidence level and with n\u20131 degrees of freedom (t = 3.14 for seven replicates) \n s = standard deviation of the replicate analyses<\/p>\n

\"\"<\/span><\/p>\n

Table 2. Potential Spectral Interferences from Carbon Species.<\/em><\/strong><\/span><\/p>\n

Results and Discussion<\/strong><\/span><\/p>\n

The ASTM method D8110-17 has specific requirements regarding calibration, check standards, internal standards, QC samples, MDLs, precision, repeatability and reproducibility. We have addressed these requirements through several tests. The method listed Al, Ca, Cu, Fe, Pb, Mg and K as elements to be analyzed for trace contaminants in distillate products, however, a few other elements that can be potential contaminants were added to our tests.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Table 3. MDL Results for ASTM Method Elements (in bold) and 12 others.<\/em><\/strong><\/span><\/p>\n

QC Results<\/strong><\/span><\/p>\n

After the calibration was performed, a second source standard, diluted V-21+K, was analyzed as a QC to verify if the results were in agreement with the \u00b1 10% control limit. The correlation was very good, within \u00b1 4% for all tested elements.<\/span><\/p>\n

\"\"<\/span><\/p>\n

Figure 2. QC analyzed every 5 samples during 4-hour run.<\/em><\/strong><\/span><\/p>\n

Conclusion<\/strong><\/span><\/p>\n

C\u00e1c k\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong c\u00f4ng tr\u00ecnh n\u00e0y m\u1ed9t l\u1ea7n n\u1eefa cho th\u1ea5y kh\u1ea3 n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb\u00a0the PerkinElmer NexION 2200 ICP-MS<\/a> c\u1ee7a PerkinElmer trong vi\u1ec7c ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m ch\u01b0ng c\u1ea5t d\u1ea7u m\u1ecf v\u00e0 d\u1ea7u cho c\u00e1c nguy\u00ean t\u1ed1 \u0111\u00e3 ch\u1ecdn. S\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u00e1c t\u00ednh n\u0103ng \u0111\u1ed9c \u0111\u00e1o v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a NexION 2200 mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i cho m\u1ed9t s\u1ed1 nguy\u00ean t\u1ed1 th\u00e1ch th\u1ee9c m\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p d\u1ea7u m\u1ecf c\u00f3 th\u1ec3 quan t\u00e2m.<\/span><\/p>\n

References<\/strong><\/span><\/p>\n

    \n
  1. Pruszkowski E., \u201cAnalysis of Petroleum Products According to ASTM Method D8110-17 Using the NexION 2200 ICP-MS<\/a>\u201d, PerkinElmer Application Note, 2023.<\/span><\/li>\n
  2. ASTM Method D8110-17, \u201cStandard Test Method for Elemental Analysis of Distillate Products by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)\u201d, ASTM International, 2017.<\/span><\/li>\n
  3. \u201cNexION 2200 ICP-MS\u201d, PerkinElmer Interactive Brochure, 2023<\/span><\/li>\n<\/ol>\n

    Consumables Used<\/strong><\/span><\/p>\n

    \"\"<\/span><\/p>\n

    Learn more: perkinelmer\/app-nexion-2200-icp-ms-petroleum-products-astm-D8110-17.pdf?u=3ezgsz<\/a><\/p>","protected":false},"excerpt":{"rendered":"

    Ph\u01b0\u01a1ng ph\u00e1p ASTM D8110-17 ph\u00e2n t\u00edch c\u00e1c nguy\u00ean t\u1ed1 Al, Ca, Cu, Fe, Pb, Mg v\u00e0 K l\u00e0 nh\u1eefng nguy\u00ean t\u1ed1 c\u1ea7n ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea1p ch\u1ea5t vi l\u01b0\u1ee3ng trong c\u00e1c s\u1ea3n ph\u1ea9m ch\u01b0ng c\u1ea5t nh\u1eb9. Tuy nhi\u00ean, 12 nguy\u00ean t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 l\u00e0 t\u1ea1p ch\u1ea5t ti\u1ec1m…<\/p>","protected":false},"author":2,"featured_media":1586,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[17,1],"tags":[],"class_list":["post-1585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-tin-tuc"],"yoast_head":"\nPh\u00e2n t\u00edch d\u1ea7u m\u1ecf x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng v\u1ebft kim lo\u1ea1i theo ph\u01b0\u01a1ng ph\u00e1p ASTM D8110-17 b\u1eb1ng thi\u1ebft b\u1ecb NexION 2200 ICP-MS - HTI Scientific<\/title>\n<meta name=\"description\" content=\"Ph\u00e2n t\u00edch d\u1ea7u m\u1ecf ph\u00e2n t\u00edch c\u00e1c nguy\u00ean t\u1ed1 Al, Ca, Cu, Fe, Pb, Mg v\u00e0 K\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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