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Microscopic Studies of Jute and Allied Fibres

Md. Abdul Aziz Miah
Senior Scientific Officer
Testing & standardization department,Textile physics division,Bangladesh Jute Research Institute, Dhaka-1207.

Md. Hurmuz Ali khan
PSO(CC)
Testing & standardization department,Textile physics division,Bangladesh Jute Research Institute, Dhaka-1207.

Abstract/ Executive Summary:

Microscopic studies have been made on the cross-sections of fiber of white & Tossa grades. Also the quality ratios of yarns spun from these grades were determined. Results showed that the percentages of the square/circular like shaped cross-sections of grades BWB, BWD, BWE & BWC & BTsPl, BTC & BTD and the quality ratios of yarns of these grades maintained the same order. But the other shapes of cross-sections did not show this trend.

Keywords: Cross-sections of fibre, White, Tossa grades, Quality ratio

Location: Bangladesh Jute Research Institute

Start Date: 01-01-1990

End Date: 31-12-1993

Program Area: Quality and Nutrition

Commodity: Jute

Objectives:

To study the morphological structure and cross section jute fiber with a view to finding out the distinguishing features between different qualities of fiber and related them to spinning quality.

Methodology:

In this investigation about lbs of jute fiber are randomly procured from each grade, namely BWsPL, BWA, BWB, BWC, BWD, BWE, BTsPL, BTA, BTB, BTC, BTD, BTE. A number of reeds of jute fibers were than randomly taken from each grade for microscopic study and remaining part was then used for studying spinning quality of fibres. Microscopic studies: In this investigation a thick brass plate was used. A number of holes 1.5 mm dia. was drilled in it.

Source of Information: Annual Technical Report

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 15,000

Total Budget (Tk.) : 15,000-

Achievement/Findings:

The shapes of cross-sections in percentage and number of cells per cross-section and the quality ratios of yarns were determined. The microscopic studies showed that the cross-sections of fiber of each grades of white and Tossa jute were of different shapes viz. square/circular like, rectangular like, irregular and elongated. The percentage of irregular shape of the above three grades of jute did not follow the same order as that of quality ratio of yarns. The average number of cells per cross-section is a around 8.4 for the grades of BWspl. BWA, BWD and 9.6 for the grades of BWB and BWE and 10.5 for the grades BTC, and BTD and 9.1 for the grades of BTspand, BTA and 11.7 for the grades BTB. The average number of cells per cross-sectional of the grades BTB, BTE and BTC and the corresponding quality ratio of yarns of these grades were found to maintain the same order.

Knowledge Management: Report/Proceedings