国立情報学研究所 - ディジタル・シルクロード・プロジェクト
『東洋文庫所蔵』貴重書デジタルアーカイブ
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| 0261 |
Archaeological Researches in Sinkiang : vol.1 |
| 新疆の考古学的調査 : vol.1 |
引用情報
OCR読み取り結果
MICROSCOPICAL AND CHEMICAL TESTS
By HJALMAR LJUNGH.
(Engineer of the State Railway Administration).
RED PAINT ON WOOD. (SAMPLE FROM CEMETERY 5).
The withered wood fragment has a thickness of about 8 mm. To judge from the
curvature of the piece it must formerly have been part of a wide and round vessel.
It is evident, too, that both inside and outside have been covered with a good lac-
quer,¹ containing a red mineral pigment.
Owing to the withered state of the wood it was easy to scrape off the lacquer. The
flake powder gained in this way was boiled with strong hydrochloric acid until full
solution was obtained. Then sulphuretted hydrogen was passed into the diluted solu-
tion. As no precipitate was formed, no lead or other heavy metals can be present.
Ammonium sulphide precipitated greenish black iron sulphide, and all other indicat-
ing reactions proved that iron is the dominating substance, and that it occurs in the
form of oxide.
It may therefore be assumed that the red pigment used was a calcined ochre.
NO 5. A: 6. CONTENTS OF THE BASKET.
Agglomerates of rounded light red-brownish grains.
The appearance as well as the structure and properties of the grains coincide with
those of the grains in the sample No. 5. F: 1.
Thus it is to be assumed that also here the material in the basket is millet — in
this case merely a little cleaner and more carefully manipulated.
NO. 5 F: 1. CONTENTS OF THE BASKET.
Big lumps of mixed grains of sand (diam. 0.02—2 mm.) of almost all colours,
and a large proportion of grains of some brownish organic matter (1—2 mm.),
together with some few seeds in light-brown and dark-brown glossy hulls (2—2½
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