HKL-5185 ICP for used Lube Oils
Overview
HKL-5185 ICP for used Lube Oils conforms to the ASTM D5185 Standard Test Method for Determination of Additive Elements, Wear Metals, and Contaminants in Used Lubricating Oils and Determination of Selected Elements in Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). It covers the determination of additive elements, wear metals, and contaminants in used lubricating oils by inductively coupled plasma atomic emission spectrometry (ICP-AES).
Technical Parameters
Table1. Main Technical Parameters of HKL-5185 | |
High Frequency Generator | |
Working Frequency | 27.12MHz |
Stability | ﹤0.05％ |
Output power | 800W～1600W |
Stability | ≤0.05％ |
Matching Method | Automatic |
Scanning spectrometer | |
Light path | Czerny turner |
Focal length | 1000mm |
Raster specification | Ion-etched holographic grating, engraved line density 2400L / mm; scribed area (80 × 110) mm |
Line dispersion reciprocal | 0.26nm/m |
Resolution | ≤0.008nm(3600 wire grating） |
≤0.015nm(2400 wire grating) | |
Main host Parameters | |
Scanning wavelength range | 195nm～500nm（3600L/mm wire grating） |
195nm～800nm（2400L/mm wire grating） | |
Repeatability | RSD≤1.5％ |
Stability | RSD≤2.0％ |
Test Part
1. Abrasion Elements in Lube Oils
1) CONOSTAN Dedicated Diluent for ICP
2) Pipette，0-5ml
3) Electronic balance, 0.0001
2. Working Condition Requirements
High frequency generator: 27.12MHz, 0.7mm quartz torch with center channel, high frequency power 1200W, plasma gas flow 15L / min, auxiliary gas flow 0.99L / min, carrier gas flow 0.35L / min, oxygen flow rate 50ml / min , The temperature of the atomizing chamber is -20 ° C, and the speed of the peristaltic pump is 3ml / min.
3. Test method
After the apparatus is automatically ignited and the parameters are set according to the working conditions of the apparatus, the diluent is directly sucked into the mist chamber through the nebulizer and enters the plasma. After the apparatus is stable, measure the blank solution, standard solution and diluted sample solution at one time. The content of each element in the final sample can be directly obtained. The linear relationship of the elements was determined according to the testing method. At the same time, the blank solution was measured 10 times for each element. The standard deviation of the measured value was divided by the slope of the curve as the method detection limit. As can be seen from the table below, the fitting coefficient of the elemental working curve is higher than 0.999, indicating that the linear relationship is good within the linear range of the working curve. Because the working parameters of the apparatus are optimized, the test conditions of the elements are optimized to improve the accuracy of the test results.
ICP Repeatability of 16 Elements in Lubricants | |||
Element | Repeatability (RSD) | Element | Repeatability (RSD) |
Vanadium (V) | 1.45% | Cadmium (Cd) | 2.58% |
Copper (Cu) | 0.76% | Nickel (Ni) | 2.78% |
Silver (Ag) | 0.91% | Iron (Fe) | 1.46% |
Titanium (Ti) | 1.35% | Silicon (Si) | 1.70% |
Barium (Ba) | 1.48% | Manganese (Mn) | 1.22% |
Calcium (Ca) | 1.31% | Chromium (Cr) | 1.10% |
Zinc (Zn) | 1.65% | Magnesium (Mg) | 1.93% |
Lead (Pb) | 2.46% | Phosphorus (P) | 2.36% |
Results of GBW (E) 130129-Lubricant Metal Content Spectral Analysis Standard Materials (mg / kg) | |||||||
Element | Standard Value | Result | Recovery Rate | Element | Standard Value | Result | Recovery Rate |
Vanadium (V) | 10 | 9.58 | 95.8% | Cadmium (Cd) | 10 | 8.82 | 88.2% |
Copper (Cu) | 10 | 10.16 | 101.6% | Nickel (Ni) | 10 | 9.70 | 97.0% |
Silver (Ag) | 10 | 9.50 | 95.0% | Iron (Fe) | 10 | 9.97 | 99.7% |
Titanium (Ti) | 10 | 9.97 | 99.7% | Silicon (Si) | 10 | 8.25 | 82.5% |
Molybdenum (Mo) | 10 | 10.73 | 107.3% | Manganese (Mn) | 10 | 9.61 | 96.1% |
Calcium (Ca) | 10 | 10.05 | 100.5% | Chromium (Cr) | 10 | 9.41 | 94.1% |
Zinc (Zn) | 10 | 10.20 | 102.0% | Magnesium (Mg) | 10 | 8.33 | 83.3% |
Lead (Pb) | 10 | 10.35 | 103.5% | Phosphorus (P) | 10 | 10.99 | 109.9% |
Results of GBW (E) 130129-Lubricant Metal Content Spectral Analysis Standard Materials (mg / kg) | |||||||
Element | Standard Value | Result | Recovery Rate | Element | Standard Value | Result | Recovery Rate |
Vanadium (V) | 10 | 9.58 | 95.8% | Cadmium (Cd) | 10 | 8.82 | 88.2% |
Copper (Cu) | 10 | 10.16 | 101.6% | Nickel (Ni) | 10 | 9.70 | 97.0% |
Silver (Ag) | 10 | 9.50 | 95.0% | Iron (Fe) | 10 | 9.97 | 99.7% |
Titanium (Ti) | 10 | 9.97 | 99.7% | Silicon (Si) | 10 | 8.25 | 82.5% |
Molybdenum (Mo) | 10 | 10.73 | 107.3% | Manganese (Mn) | 10 | 9.61 | 96.1% |
Calcium (Ca) | 10 | 10.05 | 100.5% | Chromium (Cr) | 10 | 9.41 | 94.1% |
Zinc (Zn) | 10 | 10.20 | 102.0% | Magnesium (Mg) | 10 | 8.33 | 83.3% |
Lead (Pb) | 10 | 10.35 | 103.5% | Phosphorus (P) | 10 | 10.99 | 109.9% |
4. Applicable Standard
ASTM D5185 Standard Test Method for Multielement Determination of Used and Unused Lubricating Oils and Base Oils by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)
Conclusion
The ICP method is used to directly determine the 16 kinds of wear elements in lubricating oil. The relative digestion method has higher accuracy and better reproducibility. HKL-5185 has the characteristics of low cost, fast speed and high accuracy. The determination of 16 types of wear elements in lubricating oil can fully meet the demands in the petrochemical industry.
Test Report Comparison | |||||||
Sample Name | Diesel Engine Oil | ||||||
Receiving Date | JAN,2ND,2020 | Test Period | JAN,8TH,2020 | ||||
Description | Viscous Oil Sample | ||||||
Test Requirement | |||||||
Test component | Ca, Mg, P, Zn | ||||||
Reference | |||||||
Standard | ASTM D5185 | Standard Sample | S-21 Mixed Sample | ||||
Humidity | ≤70% | Temperature | 25℃ | ||||
Test Process | |||||||
Weigh a certain amount of sample into a 100ml volumetric flask, add the internal standard solution, dilute to the mark with blank oil, shake well, and wait for measurement | |||||||
HKL-5185 ICP | Perkin Elmer Optima 3300 ICP-OES | ||||||
Test Item | Unit | Result | Test Item | Unit | Result | ||
Ca | mg/kg | 4179.1 | Ca | mg/kg | 4225.7 | ||
Mg | mg/kg | 22.06 | Mg | mg/kg | 21.501 | ||
P | mg/kg | 1064.3 | P | mg/kg | 1026.2 | ||
Zn | mg/kg | 1133.1 | Zn | mg/kg | 1133.1 | ||
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Hong Kong Laboratory Technology Limited, an instrumentation industry partner you can count on, has been operating since 2018. Over the past eight years, we have built a solid network and helped the needs of more than 500 clients by solely representing 50+ globally famous brands. With the deep knowledge of the industry, we can provide a full supply chain service from Research and Development to the final production, supported by a rigorous quality management system. Our primary instruments are designed to comply with the top global standards (ISO 9001, ASTM, IP), and we carry out frequent calibration of them according to ISO/IEC 17025 standards to ensure precision and reliability. We are committed to help innovation and assure safety by providing our instruments to various sectors including research institutes, petrochemical and mining industries, healthcare facilities, and environmental agencies.
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