检测样品 饲料
检测项目 理化分析
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重Analytical EquipmentHIGH PERFORMANCECAPILLARYELECTROPHORESIS DETERMINATION OF ANIONS IN FEEDSTUFFS,COMPOUND FEEDS, AND FEED RAW MATERIALS Lumex Method M 04-73-2011 INTRODUCTION The method is used for the determination of the mass fraction of water-soluble chloride, nitrate, phosphate,and total sulfate in all types of feedstuffs, compound feeds, fodders, premixes, fodder additives, andfeed raw materials (of plant, animal, and mineral origin) by capillary electrophoresis. MEASUREMENT METHOD The measurement method is based on capillary zone electrophoresis with indirect UV detection at thewavelength of 254 nm. MEASUREMENT RANGE The measurement ranges for the components are presented in the table below. Compound Measurement range*, % Chloride 0.005-60 Nitrate 0.002-1.0 Phosphate 0.005-80 Sulfate 0.005-70 *For the sample weight of 100-500 mg. The determination of phosphate is not hindered by the presence of carbonate (with mass concentration ratioof 10:1) and all other analytes (with mass concentration ratio of 1000:1). The determination is not hinderedby the presence of other inorganic anions, organic acids (acetic, citric, lactic, formic, oxalic) and neutralorganic substances. EQUIPMENT AND REAGENTS The CAPEL capillary electrophoresis system is used in measurements. Data acquisition, collection,processing and output are performed using a personal computer running under WINDOWS@XP/7/8/10operating system with installed dedicated software package ELFORUN. Lumex Instruments set, order No 0300001921. EXAMPLES OF REAL ANALYSES BGE: chromate, with diethanolamine and CTA-OH Capillary: Leff/ Ltot 50/60 cm, ID 75 pm Sample: poultry meal Measurement results(total content):1-sulfate (0.09%)2 -phosphate (3.4%) The contents on this paper are subject to change without notice. To get more specific information, please contact the representative by sales@lumexinstruments.com 'National Standard GOST Rwww.lumexinstruments.ccm www.lumexinstruments.ccm DETERMINATION OF ANIONSIN FEEDSTUFFS, COMPOUND FEEDS, AND FEED RAW MATERIALSLumex Method M 04-73-2011INTRODUCTIONThe method is used for the determination of the mass fraction of water-soluble chloride, nitrate, phosphate, and total sulfate in all types of feedstuffs, compound feeds, fodders, premixes, fodder additives, and feed raw materials (of plant, animal, and mineral origin) by capillary electrophoresis.MEASUREMENT METHODThe measurement method is based on capillary zone electrophoresis with indirect UV detection at the wavelength of 254 nm.MEASUREMENT RANGEThe measurement ranges for the components are presented in the table below. CompoundMeasurement range*, %Chloride0.005–60Nitrate0.002–1.0Phosphate0.005–80Sulfate0.005–70* For the sample weight of 100–500 mg.The determination of phosphate is not hindered by the presence of carbonate (with mass concentration ratio of 10:1) and all other analytes (with mass concentration ratio of 1000:1). The determination is not hindered by the presence of other inorganic anions, organic acids (acetic, citric, lactic, formic, oxalic) and neutral organic substances.EQUIPMENT AND REAGENTSThe CAPEL capillary electrophoresis system is used in measurements. Data acquisition, collection, processing and output are performed using a personal computer running under WINDOWS® XP/7/8/10 operating system with installed dedicated software package ELFORUN.Lumex Instruments set, order No 0300001921.EXAMPLES OF REAL ANALYSESBGE: chromate, with diethanolamine and CTA-OHCapillary: Leff/ Ltot 50/60 cm, ID 75 µmInjection: 150 mbar x sec Voltage: – 25 kV Temperature: + 20 ОС Detection: 254 nm
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