A simple insulated monopole sensor technique for determination of moisture content in hevea rubber latex

Measurement Science Review

Volumn 12, Issue 6, 2012, Pages 249-254

  Ansarudin, F ^a,b   Abbas, Z ^a   Hassan, J ^a   Yahaya, N Z ^a   Ismail, M A ^a  

^a UNIVERSITY PUTRA MALAYSIA   (Malaysia)

^b UNIVERSITI KEBANGSAAN MALAYSIA   (Malaysia)

Author keywords

Phase shift; Reflection coefficient; Relative error

Indexed keywords

CALIBRATION EQUATIONS; COMPARISON RESULT; FREQUENCY RANGES; GRAVIMETRIC METHODS; RELATIVE ERRORS; RUBBER LATEXES; SENSOR TECHNIQUES;

LATEXES; PHASE SHIFT; PHASE SHIFTERS; REFLECTION; RUBBER;

MOISTURE DETERMINATION;

EID: 84873160931     PISSN: 13358871     EISSN: None     Source Type: Journal    
DOI: 10.2478/v10048-012-0034-5     Document Type: Review

References (19)

1. Kupfer, K. (ed.) (2005). Electromagnetic Aquametry: Electromagnetic Wave Interaction with Water and Moist Substances. Springer.
2. Poh, K.W. (1989). Developments of natural rubber latex. Production, properties, stability. Elastomerics, 12 (12), 12-15.
3. Tomazic-Jezic, V.J., Beezhold, D.H., Hashim, H., Palosuo, T., Raulf-Heimsoth, M., Swanson, M., Hamilton, R.G. (2004). Performance of methods for the measurement of natural rubber latex (NRL) proteins, antigens andallergens. Journal of Allergy and Clinical Immunology, 113 (78).
4. Chin, H.C. (1979). RRIM Training Manual on Analytical Chemistry. Research Institute Malaysia, Kuala Lumpur, 67.
5. Jayanthy, T., Sankaranarayanan, P.E. (2005). Measurement of dry rubber content in latex using microwave technique. Measurement Science Review, 5 (3), 50-54.
6. Ghretli, M., Khalid, K., Grozescu, I.V., Sahri, H., Abbas, Z. (2007). Dual frequency microstrip antenna sensor for water content measurements independent of temperature variation. Measurement Science Technology, 18, 1054-1060. (Pubitemid 46603701)
7. Mohammadi, A., Khalid, K., Bafti, P.S., Homaiee, M. (2012). Development of microcontroller-based microwave system to measure solid content of hevea rubber latex. Measurement, 45 (3), 571-579.
8. Kim, L.K (2004). Development of a 500 MHz Reflectometer Using Stripline Coupler for Moisture Measurement of Oil Palm Fruits. Masters thesis, Universiti Putra Malaysia, 61-87.
9. Yeow, Y.K., Abbas, Z., Khalid, K. (2010). Application of microwave moisture sensor for determination of oil palm fruits ripenes. Measurement Science Review, 10 (1), 7-14.
10. Jusoh, A., Abbas, Z., Azmi, B.Z., Hassan, J., Meng, C.E., Ahmad, A.F. (2011). A simple procedure to determine complex permittivity of moist materials using standard commercial sensor. Measurement Science Review, 11 (1), 19-22.
11. Rouane, A., Koutiche, D. (2012). Characterization of microwave antennas for intracardiac ablation frequencies 915 and 2450 MHz. Measurement Science Review, 12 (1), 34-39.
12. Trotec. (2009). T600 operating manual version 1. Trotec GmbH &Co., Germany.
13. Ali, A.H., Abbas, Z., Hassan, J., Jusoh, A., Zahari, R.M. (2011). Microwave antenna sensing technique for determination of moisture content in hevea latex. Australian Journal of Crop Science, 5 (11), 1326-1333.
14. King, R.W.P., Lee, K.M., Glenn, S.S. (1974). Insulated linear antenna: Theory and experiment. Journal of Applied Physics, 45 (4), 1688-1697.
15. Jumiah, H., Khalid, K., Daud, W.M. (1997). Microwave dielectric properties of hevea rubber latex in the temperature range of -30°C to 50°C. Pertanika Journal Science & Technology, 5 (2), 179-190.
16. MS 466: Methods of Sampling and Testing Field Latex. First Revision. (1987). Standard & Research Institute of Malaysia.
17. Nyfors, E., Vainikainen, P. (1989). Industrial Microwave Sensors. Norwood, MA: Artech House.
18. Or, D., Wraith, J.M. (1999). Temperature effects on bulk dielectric permittivity measured by time domain reflectometry: A physical model. Water Resources Research, 35, 371-383. (Pubitemid 29062614)
19. Pyper, J.W., Buettner, H.M., Cerjan, C.J., Hallam, J.S., King, R.J. (1985). The measurement of bound and free moisture in organic materials by microwave methods. In Proceedings of the International Symposium on Moisture & Humidity, 15-18 April, 1985.