Bark - Specimen details
Catalogue Number: 56875 | |||||
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No Image | Plant Name | 65.01 RHIZOPHORACEAE Rhizophora sp | Entry Book Number | 19.1906 | |
Artefact Name | Bark | Vernacular Name | |||
Iso Country | Bahamas | TDWG Region | Bahamas | ||
Parts Held | Bark | Geography Description | Bahamas, Nassau | ||
Uses | BarkUse: MATERIALS - Tannins/Dyestuffs User: Man | TDWG use | MATERIALS - Tannins/Dyestuffs | ||
Storage | Bottles, boxes etc | Related Items | |||
Donor | Cunningham WM Curator Botanic Station | Donor No | |||
Donor Date | Donor Notes | ||||
Collector | Collector No | ||||
Collection Notes | Collection Date | ||||
Exhibition | Expedition | ||||
Number Components | Publication | ||||
Notes: | Label source: Mangrove bark submitted for report by WM Cunningham, Curator Botanic Station, Nassau. (See Letter .45.1906) Dear Sir, The bark is of fair strength though the East Indian Mangroves not un frequently run up to over 40% of tanning matter as de, termined by the hide-power method, but it is extremely red in colour which takes off very much from its commercial value. This is shown both by the tanned sample of leather tinctometer colour test. I do not think that the bark would pay for importing in t, o this country, though it may no doubt be a useful tanning material on the spot. Enclosure: Dear Sir, I beg to inform you that the following are the results of analysis of your sample of bark marked, mangrove from Nassau, Bahamas according to the method o, f the International Association of Leather Trade Chemists:- Tanning matter absorbed by hide -25%, Soulable non tanning matters-11.2%, insoluable in cold water-51.2%, water-12.6% Specific gravity- 15 degrees c. Tinctometer colour measurement of solution co, ntaining 0.5% of tannin matter in 1 cm cell. sample tanned in 1% solution of tanning matter;- red 20.5% yellow 23.7% black-. Henry R Proctor Feb. 22nd 1906. To J.M. Hillier Esq. |