نیکا طب

تهیه و توزیع مواد شیمیایی تجهیزات آزمایشگاهی کمپانی مرک زیگماآلدریچ آمونيوم استات (2R,3R)-(+)-Tartaric acid for resolution of racemates for sy (R)-(-)-alpha-Aminophenylacetic acid for resolution of racem (R)-(+)-Pulegone for synthesis ?-Ionone for synthesis 0.1M(0.1N)-Perchloric acid standard solution 0.1N(0.05mol)-Iodine solution 0.1N-Hydrochloric acid standard solution 0.1N-Sodium hydroxide standard solution 0.5N-Hydrochloric acid standard solution 1,1,1,3,3,3-Hexamethyldisilazane for gas chromatography Xylene cyanol FF Xylene cyanol for electrophoresis (C.I. 42135) Xylene extra pure (mixture of isomers) Ph Helv VI Xylene, 80% Yttrium(III) nitrate hexahydrate, 99.99% Yttrium(III) oxide, 99.9% Zeolite, synthetic, A-3, granular Zinc acetate dihydrate extra pure USP,Ph Eur Zinc acetate dihydrate, 98% Zinc chloride GR for ana Zinc chloride GR for analysis ACS,ISO,Reag. Ph Eur Zinc chloride, 98% Zinc cyanide, 95% Zinc nitrate tetrahydrate GR for analysis Zinc oxide, Zinc standard 1000 mg Zn (ZnCl2 in 0.06% HCl) Titrisol? Zinc standard 1000 mg Zn (ZnCl2 in 0.06% HCl) Titrisol® Zinc stearate Zinc sulfate heptahydrate GR for analysis ACS,ISO,Reag. Ph E Zinc sulfate heptahydrate, 99% Zinc sulfate heptahydrate-40621 Zinc, powder, 99% Zirconium(IV) oxide, 99% آمونيم سولفات اتيلن دي آمين تترا استيک اسيد