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P-phenylenediamine aniline benzidine p-toluidine p-chloroaniline
2021-05-07
Mobile phase: mobile phase A: methanol, mobile phase B: 10 mmol/L pH=7 phosphate buffer Column: Hypersil ODS2 5 µm 4.6×250 mm Flow rate: 1.0 mL/min Detection: Ex473 nm, Em535 nm Injection volume: 10 µL Column temperature: 35 ℃ 1. p-phenylenediamine 2...
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Putrescine Cadaverine Spermidine Spermine Histamine
2021-05-07
Mobile phase: Mobile phase A: Acetonitrile Mobile phase B: 20mmol/L ammonium acetate solution Column: SinoChrom ODS-BP 5µm 4.6×150mm Flow rate: 1.0mL/min Detection: Ex473nm, Em535nm Injection volume: 10µL Column temperature: 35℃ 1- putrescine; 2-cada...
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16 kinds of polycyclic aromatic hydrocarbons (PAHs)
2021-05-07
Mobile phase: A: acetonitrile; B: water Column: Supersil ODS2 5 µm4.6×250 mm Flow rate: 1.0 mL/min Detection: 220 nm Injection volume: 10 µL Column temperature: 30 ℃
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Food additives-acesulfame potassium, benzoic acid, sorbic acid, saccharin sodium
2021-05-07
Food additives-acesulfame K, benzoic acid, sorbic acid, saccharin sodium analysis example Mobile phase composition: methanol/0.02mol/L ammonium acetate=10/90 Column brand: SinoPak C18 4.6×150 mm Flow rate/flow: 1.0 mL/min Detection wavelength: UV230n...
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Food colorant-lemon yellow, amaranth, carmine, sunset yellow, bright blue
2021-05-07
Food Coloring Agent-Lemon Yellow, Amaranth, Carmine, Sunset Yellow, Bright Blue Analysis Examples Mobile phase composition: A: methanol, B: 0.02mol/L ammonium acetate Column brand: SinoPak C18 4.6×150 mm Flow rate/flow: 1.0 mL/min Detection wavelengt...
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14 kinds of plasticizers-phthalic acid X ester
2021-05-07
14 kinds of plasticizers-phthalate X ester analysis examples Mobile phase composition: A: acetonitrile, B: water Column brand: SinoPak C18 4.6×250 mm Flow rate/flow: 1.0 mL/min Detection wavelength: UV254nm Injection volume: 10 µL
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Vitamin B2
2021-05-07
Vitamin B2 analysis example Mobile phase composition: buffer (EDTA50mg/L, sodium heptanesulfonate 1.1g/L, glacial acetic acid, triethylamine to adjust the pH to 3.40±0.02): methanol=86:14 Column brand: Hypersil ODS2 4.6×250 mm Flow rate/flow: 1.0 mL/...
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