0.1N HCl

Phosphate Buffer pH 6.8

Acetate Buffer pH 4.5

Simulated Gastric Fluid

Simulated Intestinal Fluid

Polar Solvents

Water (often HPLC-grade or LC-MS grade)

Methanol (MeOH)

Acetonitrile (ACN)

Moderately Polar Solvents – for both reversed and normal phase

2-Propanol (Isopropanol)

Ethyl Acetate

Non-Polar Solvents – mainly for normal phase or special separations

Hexane

Cyclohexane

Special & Additive Chemicals

Acetic Acid, Trifluoroacetic Acid (TFA), Phosphoric Acid (modifiers/ion-pairing)

Buffer Salts (e.g., ammonium acetate)

Ion-pair reagents (for charged analytes)

Sodium Hydroxide

Potassium Hydroxide

Ammonium Hydroxide

Calcium Hydroxide

Sodium Carbonate

Magnesium Sulphate

Sodium Bicarbonate

Formaldehyde Solution

Sodium Chloride

Potassium Chloride

Ammonium Chloride

Silver Nitrate

Potassium Permanganate

Copper Sulphate

Ferrous Sulphate

Sodium Thiosulfate

Iodine

EDTA

Ferric Chloride

Zinc Dust

Magnesium Ribbon

Methanol

Ethanol

Isopropyl Alcohol (IPA)

Acetone

Acetonitrile

Chloroform

Toluene

n-Hexane

Dichloromethane

Ethyl Acetate