Product code:
DM2660500
Urea agar base (Christensen)
Fo
r Microbiology
500 gr
Peptic digestof animal tissue 1.000G/L
Dextrose 1.000G/L
Sodiumchloride
5.000G/L
Disodiumphosphate 1.200G/L
Monopotassiumphosphate 0.800G/L
Phenol red 0.012G/L
Agar 15.000G/L
Final pH (at 25°C) 6.8
~
0.2
PH range 6.60 - 7.00
Reaction reaction of 2.4%w/v aqueous solution at 25°C pH6.8
~
0.2
MW =
Urea cryst. Pure
Laboratory Reagent
NH CONH
60.06
2
2
Assay (Kjeldahl) % Min 9.0
Melting Point °C 131°- 134
Sulfated ash % Max 0.1
Chloride (Cl) % Max 0.02
Sulfate (SO ) % Max 0.05
4
Product code:
C.A.S. :
EINECS :
521030500
57-13-6
200-315-5
500 gr
www. b i o c h emo p h a r ma . f r
web
Finding
US
on the
L-Valine
MW =
For Biochemistry
C H NO
117.15
5 11
2
Assay% Min 99
Heavymetals (as Pb) % Max 0.001
Ammonium(NH ) % Max 0.01
4
Foreign amino acids% Max 0.3
Other ninhydrinpositive substances (as glycine) % Max 0.1
Product code:
C.A.S. :
EINECS :
522020025
72-18-4
200-773-6
25 gr
Assay% Min 99
Melting point °C 81- 83
Sulfated ash% Max 0.1
Product code:
C.A.S. :
EINECS :
406170100
121-33-5
204-465-2
MW =
Vanillin
For Synthesis
CH O.C H (OH).CHO
152.15
3
6 3
100 gr
H302-H332
P261-P264-P304-P340-P301-P312-P312-P501A
Product code:
DM2670500
Violet red bile agar
For Microbiology
500 gr
Peptic digestof animal tissue 7.000G/L
Yeastextract
3.000G/L
Lactose 10.000G/L
Bile saltsmixture 1.500G/L
Sodiumchloride 5.000G/L
Neutral red 0.030G/L
Crystal violet 0.002G/L
Agar 15.000G/L
Final pH (at 25°C) 7.4
~
0.1
pH range 7.30 - 7.50
Reaction reaction of 4.15%w/v aqueous solution at 25°C pH7.4
~
0.1
www. b i o c h emo p h a r ma . f r
web
on the
Finding
US
116
