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No.102 Analysis of catechins in tea (UHPLC)

Foods

We analyzed 4 kinds of catechins and caffeine contained in tea.

The UHPLC condition transferred from HPLC method greatly reduces injection volume, solvent usage and analysis time.

In particular, a column with an inner diameter of 2.0 mm and a length of 50 mm reduces analysis time by 85% while maintaining sufficient separation to achieve high efficiency.

Application Data No.102


No.101 dNTP (4mixture) for UHPLC

Biological substances

・Sample

dCTP, dTTP, dGTP, dATP

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR AQ C18, 2um (2.0x50mm)

Application Data No.101


No.100 Peptide for UHPLC

Biological substances

・Sample

Gly-Tyr, Val-Tyr-Val, Met-Enkephalin, Angiotensin II, Leu-

Enkephalin

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR AQ C18,2um (2.0x50mm)

Application Data No.100


No.099 Pharmaceuticals (9mixture) for UHPLC

Pharmaceuticals

・Sample

Pyridoxine HCl, l-Phenylephrine, Acetaminophen, Guaifenesin, Diphenhydramine HCl, Ketoprofen, Flurbiprofen, Indomethacin, Ibuprofen

・Column

Develosil HSR AQ C18, 2um (2.0x50mm)

Application Data No.099


No.098 p-Hydroxybenzoic acid esters (UHPLC)

Other

・Sample

p-Hydroxybenzoic acid, Methyl p-Hydroxybenzoate, Ethyl p-Hydroxybenzoate, Propyl p-Hydroxybenzoate, sec-butyl p-Hydroxybenzoate, Isobutyl p-Hydroxybenzoate, Butyl p-Hydroxybenzoate, Hexyl p-Hydroxybenzoate

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR AQ C18, 2um (2.0x50mm)

Application Data No.098


No.097 Sulfa drugs (UHPLC)

Pharmaceuticals

・Sample

Sulfadiazine, Sulfathiazole, Sulfapyridine, Sulfamerazine, Sulfamethazine, Sulfamethoxypyridazine, Sulfachloropyridazine, Sulfamethoxazole, Sulfadimethoxine

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR AQ C18, 2um (2.0x50mm)

Application Data No.097

 


No.096 Sinigrin

Foods

・Sample

Sinigrin

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR C1, 5um (4.6x150mm)

Develosil C30-UG-5 (4.6x150mm)

Develosil ODS-HG-5 (4.6x150mm)

Develosil ODS-5 (4.6x150mm)

Application Data No.096


No.095 Food additives in a soft drink

Foods

・Sample

Acesulfame K

Sodium Benzoate

Sodium Saccharin

Potassium Sorbate

Caffeine

Aspartame

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Develosil HSR C18, 5um (4.6x150mm)

Develosil HSR C1, 5um (4.6x150mm)

Application Data No.095


No.094 p-Hydroxybenzoic asid esters

Other

・Sample

p-Hydroxybenzoic acid

Methyl p-Hydroxybenzoic acid

Ethyl p-Hydroxybenzoic acid

Propyl p-Hydroxybenzoic acid

sec-Butyl p-Hydroxybenzoic acid

Isobutyl p-Hydroxybenzoic acid

Butyl p-Hydroxybenzoic acid

Hexyl p-Hydroxybenzoic acid

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Application Data No.094


No.093 JP:Metformin hydrochloride

Pharmaceuticals

・Sample

Metformin HCl, p-Hydroxybenzoic acid iso-butyl ester

・Column

Develosil HSR AQ C18, 5um (4.6x150mm)

Application Data N0.093


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