Ac idic herbic ide s in drink ing Wat er by l c /ms LC Conditions Column: Part Number: XTerra® MS C18, 2.1 x 100 mm, 3.5 µm 186000404 Mobile Phase A: 15 mM HCOONH4, pH 3.4 Mobile Phase B: CH3CN Gradient: Time Profile (min) A (%) B (%) Initial 75 25 9 40 60...