DERIVATIVES OF CHLOROBENZENE-2,4-DISULPHONIC ACID

1954 ◽  
Vol 32 (6) ◽  
pp. 598-605 ◽  
Author(s):  
Marshall Kulka
Keyword(s):  
Disulphonic Acid ◽  
Derivatives Of

Chlorobenzene-2,4-disulphonates (II), -disulphones (IV), and -disulphonamides (V) have been prepared from chlorobenzene-2,4-disulphonyl chloride (I). The properties and reactions of I–V have been compared with those of related derivatives of p-chlorobenzenesulphonic acid and phenoxybenzene-4,4′-disulphonic acid.

Colour and Tinctorial Behaviour of Some Chromogens Derivatives of 4,4� � diaminostilbene�2,2`-disulphonic Acid

2009 ◽  
Vol 59 (12) ◽  
Author(s):  
Maria Elena Grad ◽  
Valentin Radioi ◽  
Simona Popa ◽  
Dorin Jurcau ◽  
alfa Xenia Lupea
Keyword(s):  
Colour Fastness ◽  
Colour Measurements ◽  
Cielab System ◽  
Disulphonic Acid ◽  
Derivatives Of

Some chromogenes derivatives of 4,4�-diamino-stilbene-2,2�-disulphonic acid were applied to cotton and wool and colour measurements in the CIELAB system were made. Colour differences were evaluated and some relationships between structure and colour were made. The effect on colour fastness caused by incorporating of different groups in the structure has been also investigated.

Physical Properties of TCNQ Salts with N-Methyl Derivatives of Pyridine

1982 ◽  
Vol 85 (1) ◽  
pp. 257-263 ◽  
Author(s):  
A. Graja ◽  
M. Przybylski ◽  
B. Butka ◽  
R. Swietlik
Keyword(s):  
Physical Properties ◽  
Methyl Derivatives ◽  
Derivatives Of

Diorganyl Derivatives of Tellurium(IV) (σ-Telluranes of R 2 TeX 2 Type)

2002 ◽  
Vol 23 (2) ◽  
pp. 125-207 ◽  
Author(s):  
Igor D. Sadekov ◽  
Alexander V. Zakharov ◽  
Alexander A. Maksimenko
Keyword(s):  
Derivatives Of
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