Preservatives for foods were analyzed using RSpak DE-613 (a column for reversed phase chromatography).
Sample : p-Hydroxybenzoate
Me Methyl paraben, Methyl p-hydroxybenzoate
Et Ethyl paraben, Ethyl p-hydroxybenzoate
n-Pr Propyl paraben, Propyl p-hydroxybenzoate
n-Bu Butyl paraben, Butyl p-hydroxybenzoate
Column : Shodex RSpak DE-613 (6.0 mm I.D. x 150 mm) Eluent : CH3CN/H2O=50/50 Flow rate : 2.0 mL/min Detector : UV (254 nm) Column temp. : 50 °C
Sample Name Index
Operation Manual / Certificate of Analysis
Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.
Product Name Index
Applications
- Analysis of Preservatives in Accordance with “Analysis Method of Food Additives in Foods” in Japan (C18M 4E)
- Preservatives (4) (DE-413)
- Preservatives (DS-413)
- Food Yellow No.4 (Tartrazine) (ODP-50 4D)
- Betaine (NH2P-50 4E)
- LC/MS Analysis of Carnitine and Trimethyl Glycine (NH2P-40 2D)
- 2-Phenoxyethanol (ODP-50 4D)
- Preservatives (ODP-50 4D)
- Polyphosphates (2) (SB-802.5 HQ)
- Polyphosphates (3) (GS-220 HQ)
- Polyphosphates (4) (GS-220 HQ)
- Analysis of Moisturizing Agents (SC1211)
- Benzoates (DE-413)
- Alkylbenzenes (1) (DS-613)
- Alkylbenzenes (2) (DS-613)
- Alkylbenzenes (4) (DE-413)
- Alkylbenzenes (DS-413)
- Xylenols (DS-413)
- Polycyclic Aromatic Hydrocarbons (DE-413)
- Phenols (2) (DE-413)
- Chlorobenzenes (DE-613)
- Iodobenzene Diacetate (K-801)
- Anilines (ODP-50 6D)
- Durability of ODP Column with Alkaline Eluent (ODP-50 4D)
- Imidazoles (ODP2 HP-4E)
- Analysis of Glyceryl Stearate According to USP-NF Method (KF-802)
- Analysis of Glyceryl Distearate According to USP-NF Method (KF-802)
- Analysis of Glyceryl Tristearate According to USP-NF Method (KF-802)