In brief, 10 g of soil was mixed with 10 mL of deionised water and 10 mL of acetonitrile, shaken end-overend for 30 min, mixed with a BEKOlut [R] Citrate-Kit-01 (containing 4 g of MgS[O.sub.4], 1 g of NaCl, 1 g of Na-citrate and 0.5 g of disodium citrate
sesquihydrate) and thoroughly mixed for 30 s using a Vortex mixer.
The Eshmuno CP-FT resin, a first-of-its kind CEX chromatography resin for the flow-through removal of aggregates from mAb therapeutics; two modified amino acids to simplify feeding and reduce total volume in cell culture: Phospho-L-Tyrosine Disodium Salt EMPROVE EXPERT and LCysteine S-Sulfate Sodium
Sesquihydrate EMPROVE EXPERT.
Another group of researchers used a combination of salts (anhydrous MgS[O.sub.4], NaCl, sodium citrate, and sodium citrate dibasic
sesquihydrate) to cleanup cow, goat, and buffalo milk samples for the analysis of steroid hormones, using UPLC-TOF-MS for their determination [26]; application of this method to several Chinese milk samples revealed the presence of high levels of progesterone.
A mixture of salts composed of 1 g sodium chloride, 1 g disodium hydrogen citrate
sesquihydrate, 0.5 g trisodium citrate dehydrate, and 4 g magnesium sulphate anhydrous (all from M&B Chemicals, New Delhi, India) were added to the mixture and vortexed for 3 mins for extraction with separation.
Kits SampliQ QuEChERS (kindly supplied by Agilent Technologies Inc., Wilmington, DE, USA) consisted on extraction tubes (4 g MgS[O.sub.4], 1 g NaCl, 1 g sodium citrate, 0.5 g disodium citrate
sesquihydrate) and dispersive tubes (150 mg C18, 150 mg primary secondary amine (PSA) and 900 mg MgS[O.sub.4]).
Pantoprazole sodium
sesquihydrate and etodolac both are European Pharmacopoeia (EP) Reference Standards (ETD CRS batch number 1 and PTZ; CRS batch number 1), were purchased from Sigma-Aldrich Co.
Combination product of PAN and ITH (Label claim: Pantoprazole 40 mg, as pantoprazole sodium
sesquihydrate, and benazepril hydrochloride 150 mg), Itopan and Pantop-IT tablets (Alkem and Unichem Laboratories Ltd.) were purchased from the market.
According to Pfizer, the Teva and Sandoz products contain significant amounts of azithromycin
sesquihydrate rather than the azithromycin monohydrate stated on their labels.
Thus, the following procedure was firstly tested: 10 mL of wine, placed into 50-mL PTFE centrifuge tubes, 4 mL of acetonitrile, 1 g of sodium citrate tribasic dehydrate, 500 mg sodium citrate dibasic
sesquihydrate, 1 g of sodium chloride, and 4 g of anhydrous magnesium sulphate were added.