Theory of Leather Testings detail TNDTE Diploma syllabus for Leather Technology (LT), M scheme is extracted from TNDTE official website and presented for diploma students. The course code (39062), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.
For all other leather tech 6th sem syllabus for diploma m scheme tndte you can visit Leather Tech 6th Sem Syllabus for Diploma M Scheme TNDTE Subjects. The detail syllabus for theory of leather testings is as follows.
Rationale:
Detailed Content:
Unit I
Introduction to DIN & BIS Norms – Sampling position for chemical testing -Analysis of Chrome Liquor – Acid combined with chromium- Chromium content in the liquor – Percentage Basicity – Analysis of chrome Tanned Leather for various characteristics.
Unit II
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Unit III
Analysis of formaldehyde Tanned Leather and determination of Percentage purity of formaldehyde. Analysis of Oils and Fats – Theory of saturation and unsaturation -Determination of Iodine Value – Saponification value – Acid Value -Analysis of commercial fat liquors – Fat content of the fat liquor. Methods to determine the B.O.D & C.O.D Value in Tannery Effluents
Unit IV
Study & Setting up of a microscope – Slide preparation – Anatomical Study of Hides and Skins – Hair and Wool – Grain pattern of Hides and Skins, Fiber Structural changes that takes place during pre tanning – Tanning and Post Tanning Process – microscopical assessment of sole Leather. Fundamental of Bacteriology – Preparation of various culture media – Sterilization – Inoculation – morphological characteristic of Bacteria – Staining of Bacteria and classification – Bio-chemical properties of Bacteria – Bacterial count. Damage caused by Moulds to tan liquor and to leathers – Moulds and their difference from Bacteria.
Unit V
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Reference Books:
- Technological controls in Leather Manufacture by S. Bangaraswamy C.L.R.I. Publications 1984.
- “Official methods of analysis” Society of Leather Technologists and Chemists U.K.1981.
- Analytical Chemistry of Leather Manufacture by P.K. Sarkar – Indian Leather Technologist Association, Calcutta.
- An introduction to the Principles of Physical Testing of Leather by S.S. Dutta – Indian Leather Technologist Association, Calcutta.
For detail syllabus of all other subjects of BE Leather Tech, M scheme do visit Leather Tech 6th Sem syllabus for M scheme.
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