101
MW=
tri-Sodium citrate dihydrate
Analytical Reagent
C H Na O .2H O
294.10
6 5 3 7
2
Assay (HClO titration) % 99 - 100.5
2
Identity Passes test
Appearance of solution (100g/l) Clear and colorless
Insolublematter% Max 0.005
Acidity or alkalinity Passes test
pH (50gm/l water 25°C) 7.5 - 9.0
Chloride (Cl) % Max 0.001
Sulfate (SO ) % Max 0.004
4
Phosphate (PO ) % Max 0.002
4
Total nitrogen (N) % Max 0.001
Heavymetals (as Pb) % Max 0.0005
Iron (Fe) % Max 0.0005
Oxalate (C H O ) % Max 0.002
2 2 4
Tartarate (C H ) Passes test
4 6
Readily carbonisable substances Passes test
Ammonium(NH ) % Max 0.003
4
Calcium(Ca) % Max 0.005
Arsenic (As) % Max 0.0001
Mercury (Hg) % Max 0.0001
Lead (Pb) % Max 0.0001
Water (by KF) % 11 - 13
Loss on drying (180°C, 18 hrs) % 10 - 13
Product code:
C.A.S. :
EINECS :
319460500
6132-04-3
200-675-3
500 gr
H272-H301-H330-H334-H350-H360-H372-H314-H400-H410-H312-H317
P221-P301-P310-P303-P361-P353-P305-P351-P338-P320-P405-P501a
Assay (By iodometry) % 99.5 - 100.5
Insolublematter% Max 0.005
Chloride (Cl) % Max 0.005
Sulfate (SO ) % Max 0.01
4
Calcium(Ca) % Max 0.002
Aluminium(Al) %
Max 0.002
Copper (Cu) % Max 0.01
Iron (Fe) % Max 0.002
Lead (Pb) %
Max 0.002
Potassium(K) %
Max 0.01
Magnesium(Mg) % Max 0.005
Product code:
C.A.S. :
EINECS :
318070500
7789-12-0
234-190-3
Sodium dichromate dihydrate
Na Cr O .2H O MW =289.00
2 2 7
2
Analytical Reagent
500 gr
MW=
Sodium dihydrogen orthophosphate
dihydrate
NaH PO .2H O
156.01
2 4
2
Analytical Reagent
Assay % 99.0 - 100.5
Identity (acc. topharma) Passes test
Appearance of solution Passes test
Water insolublematter% Max 0.01
pHof 1%solution inwater 4.1-4.7
pHof 5%solution inwater 4.2-4.5
pHof 5.7%solution inwater 4.1-4.5
Chloride (Cl) % Max 0.001
Sulfate (SO ) % Max 0.005
4
Aluminium,Calciumand related elements Passes test
Substance reducing KMnO Passes test
4
Arsenic (As) % Max 0.0002
Calcium(Ca) % Max 0.002
Copper (Cu) % Max 0.0001
Iron (Fe) % Max 0.001
Lead (Pb) % Max 0.0001
Magnesium(Mg) % Max 0.001
Potassium(K) % Max 0.005
Loss on drying (at 130 °C) % 21.5 - 24.0
Product code:
C.A.S. :
EINECS :
319090500
13472-35-0
231-449-2
500 gr
MW=
Sodium dihydrogen orthophosphate
Laboratory Reagent
dihydrate
NaH PO .2H O
156.01
2 4
2
Assay% Min 98
pH (5%water) 4.2 - 4.5
Chloride (Cl) % Max 0.005
Fluoride (F) % Max 0.001
Hydrogenphosphate (HPO ) % Max 0.5
4
Sulfate (SO ) % Max 0.02
4
Heavymetals (as Pb) % Max 0.0005
Arsenic (As) % Max 0.0002
Lead (Pb) % Max 0.0005
Calcium(Ca) % Max 0.005
Iron (Fe) % Max 0.001
Copper (Cu) % Max 0.0025
Magnesium (Mg) % Max 0.005
Zinc (Zn) % Max 0.0025
Substance reducing KMnO % Max 0.04
4
Loss on drying (at 130°C) % 21.5 - 24
Product code:
C.A.S. :
EINECS :
319710500
13472-35-0
231-449-2
500 gr
MW=
Sodium chloride
For Molecular Biology
NaCl
58.44
Assay% Min 99.5
DNases/RNases/Proteases Not detectable
pHof 5%aqueous solution (20 °C) 5.0 - 8.0
Bromide (Br) % Max 0.005
Iodide (I) % Max 0.001
Phosphate (PO ) % Max 0.001
4
Sulfate (SO ) % Max 0.001
4
Barium(Ba) % Max 0.001
Calcium(Ca) % Max 0.002
Iron (Fe) % Max 0.0001
Potassium(K) % Max 0.005
Magnesium (Mg) % Max 0.001
Lead (Pb) % Max 0.0005
Product code:
C.A.S. :
EINECS :
319870500
7647-14-5
231-598-3
500 gr
H303
P312
H301-H330-H312-H317-H334-H340-H350-H360-H372-H314-H318-H400-H410
P260-P301-P310-P303-P361-P353-P304-P340-P305-P351-P338-P320-P330
P405-P501A
Assay% Min 99
Acidity as HCl % Max 0.2
Alkalinity asNaOH% Max 0.1
Aluminium (Al) % Max 0.002
Calcium(Ca) % Max 0.005
Chloride (Cl) % Max 0.005
Insolublematter% Max 0.005
Sulfate (SO ) % Max 0.01
4
Loss on drying (at 105°C) % Max 0.05
Product code:
C.A.S. :
EINECS :
319330500
10034-82-9
231-889-5
MW =
Sodium chromate tetrahydrate
Analytical Reagent
Na CrO .4H O
234.07
2
4
2
500 gr
