Description

• Application: Biopolymeric Blends of Thermoplastic Starch and Polylactide as Sustainable Packaging Materials: This publication uses citric acid monohydrate in the synthesis of biodegradable polymers, highlighting its utility in developing sustainable materials within the industrial manufacturing and environmental sectors (Jozinović A et al., 2024).
• Linkage: Replaces: CX1725-1; CX1725-3; CX1725
• Analysis Note: Assay (acidimetric, calc. on anhydrous substance): 99.5 - 100.5 %Identity (IR-spectrum): passes testAppearance: white to almost white or colorless crystalsAppearance of solution (200 g/l; water): clear (≤ 3 NTU) and not more intense in color than reference solution Y₇, BY₇ or GY₇In water insoluble matter: ≤ 50 ppmChloride (Cl): ≤ 5 ppmPhosphate (PO₄): ≤ 10 ppmSulphate (SO₄): ≤ 20 ppmHeavy metals (as Pb): ≤ 5 ppmAl (Aluminium): ≤ 0.2 ppmAs (Arsenic): ≤ 1 ppmHg (Mercury): ≤ 1 ppmCu (Copper): ≤ 5 ppmFe (Iron): ≤ 3 ppmFe (Iron, acc. to Reag. Ph  Eur.): suitable to use in the limit test for ironPb (Lead): ≤ 0.5 ppmOxalates (as C₂H₂O₄): ≤ 50 ppmReadily carbonisable substance: passes testSulfated ash: ≤ 200 ppmWater (according to Karl Fischer): 7.5 - 8.8 %Corresponds to ACS, ISO 6353/2, Reag. Ph. Eur.
• Legal Information: EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany