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Shinwa Chemical Industries
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"Propyl paraben" Filtered 3 Item.

Graph

LC
Samples: Glycyrrhetic acid , Propyl paraben
Applications: Glycyrrhizin in the licorice end
Column: STR ODS-II
Column Size: 150 mm L × 4.6 mm I.D.
Mobile phase: 15 times dilution Acetic acid aqueous solution/CH3CN = 3/2
Frow rate: 0.7 mL/min
Column temp.: ambient

Graph

LC
Samples: Methyl p-hydroxybenzoate , Ethyl p-hydroxybenzoate , Propyl p-hydroxybenzoate , Butyl p-hydroxybenzoate
Applications: The elution behavior of the acid sample
Column: STR ODS-II
Column Size: 150 mm L × 4.6 mm I.D.
Mobile phase: CH3CN/H2O = 50/50
Frow rate: 1.0 mL/min
Column temp.: 30°C

Graph

LC
Samples: Methyl paraben , Ethyl paraben , Isopropyl paraben , Propyl paraben , Isobutyl paraben , Butyl paraben , Each 100ppm containing
Applications: Paraben (Added to commercial soy sauce)
Column: STR ODS-II
Column Size: 150 mm L × 4.6 mm I.D.
Mobile phase: 10 mM Phosphoric acid buffer(pH 2.6)/CH3OH = 1/1
Frow rate: 1.5 mL/min
Column temp.: 40°C