PREGLSche mikroanalytische Bestimmung von Methylgruppen. (A. 16' 11
Theobromin: GgH2(GHg)gN^02
4*565 mg: 1. Destillation:
IT59 mg Agi.
0*12 mg Agi.
11*71-16-43% GHg
ber. —16*68% GHg.
Kreatinin: C4H7N3O
3*720 mg: 1. KestHlation: 5*80 mg Agi.
2. ,, T20mg Agi.
3. ,, 0*95 mg Agi.
7*95 = 13-67% GHg
ber. =13*28% CHg.
Vanillin: CeHgOH.OGHg.GHO
6*140 mg: 9.40 mg Agi.
gef. = 30-33% OCHg
ber. = 20*40% OGIIg.
Theobromin: GgH2(GHg)gN^02
4*565 mg: 1. Destillation:
IT59 mg Agi.
0*12 mg Agi.
11*71-16-43% GHg
ber. —16*68% GHg.
Kreatinin: C4H7N3O
3*720 mg: 1. KestHlation: 5*80 mg Agi.
2. ,, T20mg Agi.
3. ,, 0*95 mg Agi.
7*95 = 13-67% GHg
ber. =13*28% CHg.
Vanillin: CeHgOH.OGHg.GHO
6*140 mg: 9.40 mg Agi.
gef. = 30-33% OCHg
ber. = 20*40% OGIIg.