DescriptionBasic copper carbonate sample 2.jpg 中文（简体）：碱式碳酸铜（分子式：Cu2(OH)2CO3），分析纯(54-57% Cu basis)，Macklin试剂，分子量221.12。 Date 16 March 2017, 10:44:14 Source...
Acid open hearth, 0.2 per cent C; B. S., No. 19a. Basic open hearth, 0.2 per cent C; B. S., No. 11a. Acid open hearth, Basic open hearth, 0.8 per...
Marbled paper endpaper, from- Accelerated aging test for paper (IA acceleratedaging73465rasc) (page 2 crop).jpg...
and printing Publisher London : Heywood Description Contains dyed samples Dyed samples mounted on text pages Includes index Subjects: Coal-tar colors; Aniline...
This file has an extracted image: Marbled paper - from, Radio-active substances (page 1 crop).jpg....
