[1] The International Organization for standardization, ISO 2004:2010(E), Natural Rubber Latex Concentrate– Centrifuged or Creamed, Ammonia Preserved Type-Specifications, 5th Edition, ISO copyright of- fice, Switzerland (2010).
[2] The International Organization for Standardization, ISO 506:1992(E), Rubber Latex, Natural, Concentrate- Determination of Volatile Fatty Acid Number, 3rd Edition, ISO copyright office, Switzerland (1992).
[3] R. Rittiron, W. Seehalak, "Moisture content in raw rubber sheet analyzed by transflectance near infrared spectroscopy", J. Innov. Opt. Health Sci. 7, 1–6 (2014).
[4] S. Takeno, T. Bamba, Y. Nakazawa, E. Fukusali, A. Okazawa, A. Kobayashi, "A high-throughput and solvent-free method for measurement of natural polyisoprene content in leaves by fourier transform near infrared spectroscopy ", J. Biosci. Bioeng. 106, 537–540 (2008).
[5] S. Suchat, D. Pioch, S. Palu, E. Tardan, N. E. Van Loo, F. Davrieux, "Fast determination of the resin and rubber content in Parthenium argentatum biomass using near infrared spectroscopy", J. Indcrop. 45, 44–51 (2013).
[6] P. Sirisomboon, R. Chowbankrang, P. Williams, "Evaluation of apparent viscosity of para rubber latex by diffuse reflectance near-infrared spectroscopy", Appl. Spectrosc. 66, 595–599 (2012).
[7] P. Sirisomboon, A. Kaewkuptong, P. Williams, "Feasibility study on the evaluation of the dry rubber content of field and concentrated latex of para rubber by diffuse reflectance near infrared spectroscopy", J. Near Infrared Spectrosc. 21, 81– 88 (2013).
[8] L. M. Zhang, G. Sheng, Y. Mu, W. Li, H. Yu, H. Harada, Y. Li, "Rapid and accurate determination of VFAs and ethanol in the effluent of an aerobic H2 – producing bioreactor using near infrared spectroscopy", Water Res. 43, 1823–1830 (2009).
[9] The International Organization for standardization, ISO 12099: 2010(E), Animal Feeding Stuffs, Cereals and Milled Cereal Products — Guidelines for Application of Near Infrared Spectrometer, ISO copyright office, Switzerland (2010).
[10] B. Osborne, T. Fearn, P. H. Hindle, Practical NIR Spectroscopy with Applications in Food and Beverage Analysis, Longman Scientific and Technical, Harlow, UK (1993).
[11] M. R. Sethuraj, N. M. Mathew, Natural Rubber: Biology, Cultivation and Technology, Elsevier Science Publishers, Amsterdam, Netherlands (1992).