VWR™ CITRIC ACID MONOHYDRATE 99.7-100.5% (AR/ACS), 1000 g

MT-CM-VWR20276.292

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Assay:Min. 99.5 % Acrolein and glucose:Passes test Appearance of solution (10 % V/V; water):Passes test Substances darkened by sulphuric acid:Passes test Acidity:Max. 0.0004 meq/g Alkalinity:Max. 0.0003 meq/g Colouration:Max. 10 APHA Density (20/4):1.257 - 1.265 Acetaldehyde:Max. 10 ppm Esters of fatty acids (as C15H26O6):Max. 0.05 %

Assay ...................................................... 99.7 - 100.5 %

Identification (IR) ..................................... Passes test

Readily carbonisable substances ............ Passes test

Heavy metals (as Pb) .............................. ≤ 10 ppm

Ignition residue (SO₄) .............................. ≤ 0.02 %

Insolubility in water .................................. ≤ 50 ppm

Oxalic acid (calculated on anhydrous) .... ≤ 360 ppm

Tartaric acid ............................................. ≤ 0.2 %

Water ....................................................... 7.5 - 9.0 %

C₂O₄ (as C₂H₂O₄) ...................................... ≤ 0.04 %

Cl (Chloride) ............................................. ≤ 5 ppm

PO₄ (Phosphate) ...................................... ≤ 10 ppm

SO₄ (Sulphate) ......................................... ≤ 20 ppm

As (Arsenic) ............................................. ≤ 0.1 ppm

Ca (Calcium) ............................................ ≤ 20 ppm

Cu (Copper) ............................................. ≤ 5 ppm

Fe (Iron) ................................................... ≤ 3 ppm

Mg (Magnesium) ...................................... ≤ 5 ppm

Ni (Nickel) ................................................ ≤ 1 ppm

Pb (Lead) ................................................. ≤ 2 ppm

Conforms to ACS ..................................... Passes test

Conforms to Reag. Ph.Eur. ...................... Passes test

Conforms to Reag. USP .......................... Passes test