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Table 1 Physical characteristics of pipemidic acid metal complex

From: Synthesis, characterization, and antibacterial studies of pipemidic acid metal complexes

Drug complexed

Colour

Conductance μs/cm

M.P °C

Change in ε (λmax)

Ref. drug

Pale yellow

57.1

252

39160 (274)

12269 (314)

    

11575 (330)

 

Magnesium

Light brown

97.9

280d

36504 (276)

11393 (316)

Calcium

Off white

98.3

278d

35078 (276)

11256 (317)

Chromium

Greenish brown

109.1

282d

26197 (283)

10998 (335)

Manganese

Light yellow

90.9

274d

37687 (277)

11791 (316)

Iron

Orange

89.4

220d

31315 (276)

10136 (317)

Cobalt

Light blue

114.8

272d

29710 (277)

9265 (316)

Nickel

Greenish white

94.6

288d

49675 (277)

15810 (316)

Copper

Brown

118.7

230

39111 (277)

12143 (317)

Zinc

Off white

128

278d

38184 (277)

11952 (316)

Cadmium

White

111.2

266

33347 (277)

10677 (316)