ICP for used Lube Oils
ICP for used Lube Oils TT-5185
ICP for Used Lube Oils TT-5185 plays a crucial role in daily work and production processes where certain components require special protection.
Regular monitoring of wear particle accumulation on these components is essential. This often involves analyzing metal elements in oil, which accurately determines the failure cycle of machine components based on metal component composition and accumulation rate in the oil. Additionally, it's necessary to monitor foreign contamination components in lubricating oil, such as metal elements introduced by dust and dirt. Assessing the content of wear metal in the lubricant provides accurate insights into equipment operating status and performance. The presence of metals in the oil indicates the severity of parts wear, crucial for equipment maintenance and performance evaluation. Monitoring methods for trace metal determination in lubricating oils as wear components are particularly significant.
1. MCU-controlled with a large LCD color touch screen, allowing for programmed heating as per ASTM D93 requirements.
2. Automatic ignition and flash point judgment, with ignition possible via electric or gas supply.
3. Comes with an automatic ignition wire for gas ignition.
4. Utilizes a stepper motor for sample stirring, ensuring stable, precise, and adjustable speeds, fully compliant with ASTM D93 A, B, and C procedures.
5. Features a quick detection function, enabling the setting of heating rates as per requirements, facilitating swift judgment of the expected flash point for unknown oil samples.
6. Automatic lifting and lowering function for easy operation.
7. Equipped with a temperature correction function that automatically adjusts for atmospheric pressure.
8. Can establish the highest detection temperature and ignition times, automatically halting heating upon reaching the set values.
9. Optional nitrogen distinguisher available.
10. Automatically disconnects gas supply in case of power outage.
11. Capable of real-time atmosphere pressure detection.
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High Frequency Generator |
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Working Frequency
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27.12MHz
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Stability |
﹤0.05％
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Output power
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800W ～1600W
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Stability |
≤0.05％
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Matching Method
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Automatic |
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Scanning spectrometer
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Light path
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Czerny turner
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Focal length
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1000mm |
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Raster specification
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Ion-etched holographic grating, engraved line density
3600L / mm or 2400L / mm; scribed area (80 × 110) mm |
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Line dispersion reciprocal
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0.26nm/m
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Resolution
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≤0.008nm(3600 wire grating)
≤0.015nm(2400 wire grating) |
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Main host Parameters
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Scanning wavelength range
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195nm～500nm（3600L/mm wire grating)
195nm～800nm（2400L/mm wire grating) |
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Repeatability
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RSD≤1.5％
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Stability |
RSD≤2.0％
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Test Part
Abrasion Elements in Lube Oils
1.1 Equipment
1.1.1 CONOSTAN Dedicated Diluent for ICP
1.1.2 Pipette, 0-5ml
1.1.3 Electronic balance, 0.0001g
1.2 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 peristaltic pump operates at a speed of 3ml/min.
1.3 Test Method
After the apparatus is automatically ignited and parameters are set according to the working conditions, the diluent is drawn directly into the mist chamber via the nebulizer and enters the plasma. Once the apparatus stabilizes, the blank solution, standard solution, and diluted sample solution are measured simultaneously. The content of each element in the final sample can be directly determined. The linear relationship of the elements is determined using the experimental method. Simultaneously, the blank solution is measured ten times for each element. The standard deviation of the measured value is divided by the slope of the curve to obtain the method detection limit. As shown in the table below, the fitting coefficient of the elemental working curve exceeds 0.999, indicating a good linear relationship within the linear range of the working curve. Optimized working parameters of the apparatus improve the accuracy of the test results for the elements.
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 directly determines 16 wear elements in lubricating oil. Compared to relative digestion methods, it offers higher accuracy and better reproducibility. KN-5185 demonstrates characteristics of low cost, fast speed, and high accuracy. The determination of 16 types of wear elements in lubricating oil adequately fulfills the requirements of the petrochemical industry.
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Test Report Comparasion
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Sample Name
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Diesel Engine Oil
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Receiving Date
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JAN,2ND,2020
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Test Period
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JAN,8TH,2020
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Description |
Viscous Oil Sample
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Test Requirement
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Test component
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Ca, Mg, P, Zn
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Reference
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Standard
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ASTM D5185
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Standard Sample
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S-21 Mixed Sample
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Humidity |
≤70%
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Temperature |
25℃
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Test Process
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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
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TT-5185 ICP
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Perkin Elmer Optima 3300 ICP-OES
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Test Item
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Unit |
Result |
Test Item
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Unit |
Result |
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Ca |
mg/kg
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4179.1
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Ca |
mg/kg
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4225.7 |
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Mg |
22.06
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Mg |
21.501 |
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P |
1064.3 |
P |
1026.2
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Zn
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1133.1 |
Zn |
1133.1
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