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Nitrogen Determination in Biofuel (Sugaracane Bagasse& Pelletized Oil Palm Fiber)

nitrogen analysis

Sample Preparation

Crush the sample to size <1mm

Instrument

5E-TCN2200 Nitrogen Analyzer

Instrument Settings

Oxygen Flow(SV4): 3L/min;

Oxygen Flow(SV5): 0.8L/min;

Oxygen Flow(SV6): 0.3L/min

Main Furnace Temperature: 950 ℃

Secondly Furnace Temperature: 850 ℃

Calibration Standard: GB/T 30728, UNI 15104, ISO 16948 and ASTM

Nominal Sample Weight: 80 mg

Analysis Time: 5 minutes

Special Modifications to Unit

None

Method Approval

GB/T 30728,UNI 15104,ISO 16948 and ASTM

Procedure

1. Prepare instrument as outlined in the operator’s instruction manual (perform maintenance and

leak checks, etc.).

2. Purging and analyze blanks until instrument is stable (nitrogen results will reach a plateau),

3. (4-5) blanks and (1-2) waste samples to condition the instrument

4. 3 samples of calibration substance to check or carry out the calibration;

5. Test 9 samples

6. 2 samples of calibration substance to check the calibration;

7. Repetition of point 5 to point 6 until all samples are processed;

Note: Do Calibrating refer to operator’s instruction manual for details.

Details

  • Changsha, Hunan, China
  • CKIC

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