ASTM D5708 ICP for Crude Oils and Residual Fuels
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ASTM D5708 ICP for Crude Oils and Residual Fuels

Brand KN

Product origin Dalian,China

Delivery time deliver as soon as received payment

Supply capacity 30 sets one month

When fuels are combusted, vanadium present in the fuel can form corrosive compounds. The value of crude oils can be determined, in part, by the concentrations of nickel, vanadium, and iron. Nickel and vanadium, present at trace levels in petroleum fractions, can deactivate catalysts during processing. These test methods provide a means of determining the concentrations of nickel, vanadium, and iron.

ASTM D5708 ICP for Crude Oils and Residual Fuels

 KN-5708 ICP for Crude Oils and Residual Fuels


  KN-5708 ICP for Crude Oils and Residual Fuels conforms to ASTM D5708 Standard Test Methods for Determination of Nickel, Vanadium, and Iron in Crude Oils and Residual Fuels by Inductively Coupled Plasma (ICP) Atomic Emission Spectrometry. It covers the determination of nickel, vanadium, and iron in crude oils and residual fuels by inductively coupled plasma (ICP) atomic emission spectrometry. Two different test methods are presented. Sample dissolved in an organic solvent or decomposed with acid. The measurement results of the two methods were compared, and the spectral interference between each element was investigated at the same time, and the accuracy and precision were investigated. The results are satisfactory.

Instrument advantage

1. There are more than 70 kinds of elements can be tested.

2. Simultaneous testing of multiple elements, all elements are tested at the same time with one sample injection.

3. Fast analysis speed, about 5 elements per minute, and the fastest test speed can reach 10 elements per minute.

4. The detection limit is low, and most elements can reach ppb level.

5. The linear range is wide, up to 5-6 orders of magnitude, and high and low content can be tested at the same time without changing the standard curve.

6. Less chemical interference and more accurate test results.


Performance characteristics

Safe and reliable solid-state RF power supply

The radio frequency power supply used in the instrument has small size, high output efficiency, stable output power, and various safety protection functions such as water circuit, air circuit and overload, which greatly improves the safety of the instrument and reduces the failure rate of the instrument.

High degree automation

The instrument has a very high degree of automation, besides the power switch, all operations are completed by software. Intelligent software can provide real-time feedback and information prompts for various operations in real time.

Automatic ignition

The software can achieve fully automatic one-key ignition, and all parameter setting changes are automatically completed. With advanced automatic matching technology, the ignition success rate is high and the operation is simple.

High-precision airflow control system

The plasma gas, auxiliary gas, and carrier gas in the instrument work are all controlled by a high-precision mass flow controller (MFC). The flow rate is continuously adjustable and the output air flow is highly accurate, ensuring the accuracy of the test data.


Talbe1. Main Technical Parameters of KN-5708

High Frequency Generator

Working   Frequency




Output   power


Output   power Stability


Scanning  spectrometer

Light path

Czerny turner

Focal length


Raster specification

Ion-etched holographic grating, engraved line density

3600L/mm or 2400L   / mm; scribed area (80 × 110) mm

Line dispersion reciprocal



≤0.008nm(3600 wire grating)

Main host Parameters

Scanning   wavelength   range

195nm~500nm(3600L/mm wire grating)






●Sample measurable element evaluation

Now for the detection of Crude Oils and Residual Fuels, the application R&D center has evaluated the details as shown in Table 2:

Table 2. Crude Oils and Residual Fuels sample solutions



Tested elements


Sample processing 

(for reference only)


Crude Oils and Residual Fuels


KN-5708 ICP

Weigh 0.5g of sample into a microwave digestion tank, add 6ml nitric acid and 2ml hydrogen peroxide, preheat it on a 150℃ electric hot plate for about 10 minutes, cool it, and load it into the microwave digestion to run the program. After completion, cool to room temperature and make the volume constant. To 50ml to be tested

ASTM D5708-2012




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