Glycerol, Puriss., meets analytical specification of BP, FCC, Ph. Eur., USP, E422, anhydrous, 99.0-101.0% (alkalimetric)

Code: 15523-6X1L D2-115

Puriss., meets analytical specification of BP, FCC, Ph. Eur., USP, E422, anhydrous, 99.0-101.0% (alkalimetric)

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Identity (IR):	complying
Assay (alkalimetric):	99.0 - 101.0 %
Assay (calculated on the anhydrous basis):	99.0 - 101.0 %
Density (D 20/20):	1.2580 - 1.2644
Density (D 25/25):	min. 1.257
Refractive index (n 20/D):	1.471 - 1.474
Water (Karl Fischer):	max. 1.0 %
Sulfated ash:	max. 0.01 %
Free acid (as CH₃COOH):	max. 0.003 %
Acid. or alk. react. impurities:	complying
Arsenic (As):	max. 1 ppm
Cadmium (Cd):	max. 1 ppm
Copper (Cu):	max. 0.001 %
Mercury (Hg):	max. 1 ppm
Lead (Pb):	max. 1 ppm
Zinc (Zn):	max. 0.001 %
Heavy metals (as Pb):	max. 5 ppm
Chloride (Cl):	max. 10 ppm
Sulfate (SO₄):	max. 10 ppm
Halogene compounds (as Cl):	max. 30 ppm
Reaction against H₂SO₄:	complying
Aldehydes (as HCHO):	max. 10 ppm
Acrolein, glucose + HH4-compounds:	complying
Ester:	complying
Fatty acids and ester:	complying
Sugar:	complying
Impurity A + related substances (GC):	complying
Other impurities (GC) total:	max. 1.0 %
Other Single impurities (GC):	max. 0.1 %
1,2,4-butantriole (GC):	max. 0.2 %
Diethylene glycole (GC):	max. 0.10 %
Ethylene glycole (GC):	max. 0.10 %
3-monochloropropane-1.2-diole:	max. 0.1 ppm
Residual solvents:	complying
Colour:	complying
Appearance of the solution:	complying