Temperature corrected ready-reckoner chart for determination of dry rubber content in Hevea latex using the metrolac (Record no. 70363)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 01841nam a2200205Ia 4500 |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Kudaligama K V V S |
| 245 #0 - TITLE STATEMENT | |
| Title | Temperature corrected ready-reckoner chart for determination of dry rubber content in Hevea latex using the metrolac |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Name of publisher | Journal of the Rubber Research Institute of Sri Lanka |
| Year of publication | 2014 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Number of Pages | 8-Jan |
| 500 ## - GENERAL NOTE | |
| General note | Source Year: 2014 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc | Rubber latex is collected by periodic excision of a thin shaving of the bark of Hevea tree. In addition to the volume, its value is determined by the dry rubber content (DRC) of latex. Dry rubber content of latex varies usually in the range of 20-45;and depends on several factors such as clone, season, climate and weather condition, stimulation programme, tapping system, soil condition etc. Hydrometry (using the Metrolac) is the most widely used method in the determination of DRC in the Sri Lankan rubber industry. Metrolac measurements are highly vulnerable to temperature of the latex/water mixture. Existing ready-reconer for Metrolac readings is valid only at 29 degree C, hence the present study was aimed at developing a Metrolac ready-reconer chart corrected for temperature variation in latex. Under natural and adjusted conditions, the new ready-reconer chart showed an accuracy level of 84;on average in the estimation of dry rubber content whilst the average accuracy by the existing chart was below 50;. The Metrolac estimated DRC differed in the range of -12.69;to 9.25;from the actual under existing ready reckoner whilst that was limited to -7.56;to 5.31;with the use of new ready-reckoner chart. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | DRC |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Dry rubber content |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Hydrometer |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Ready-reckner |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Rubber latex |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Tapping metrolac |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Journals |
| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Serial Enumeration / chronology | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Journals | RRII Library | RRII Library | Rubber technology | 01/01/2021 | Volume 94, Issue .. | Journals |