KF-1A型半自动水分测定仪 KF-1A型半自动水分测定仪

是否提供加工定制	是	品Pai	精工
型号	KF-1A型半自动水分测定仪	类型	卡尔费休水分仪
测量范围	1ppm-纯水	准确度	1ppm
环境温度	5-40（℃）	电源电压	220（V）
外形尺寸	450*250*45（mm）

水分分析方法—般可分为两大类，即物理分析法和化学分析法。 　　化学分析法的水分测定仪包括：卡尔·费休水分测定仪、库仑水分仪、露点水分仪。卡尔·费休法属经典方法，又称为微量水分测定仪，其主要应用于水分值含量较低的样品检测，经过近年来改进，大大提高了准确度，扩大了测量范围。国产卡尔·费休水分测定仪主要有上海精工电子仪器等。KF-type 1A moisture tester specificationONE、principleThis instrument for Kart fischer titration method water equipment, adopting "ever stop method" to make sure the end: according to I2+2Eó2ISolution there I2 and the reaction when I respectively in two electrodes, both in a electrode I2 is reduced, and again another electrode I by oxidation, so in between two electrodes have current through the. If only I and no solution I2 is no current through between electrodes. When titration end point in the solution of trace Kart fischer reagent exist until I and I2 is also exists, then solution conductive, ammeter pointer deflection, instructions to the end.Type: I2+SO2+3C5H5N+CH2—〉2C4H5·HSO4CH3According to the consumption of iodine in the titration reaction to calculate waterTWO instrument performance and application scope1 instrument performanceA power supply: 220 V plus or minus 10% frequency 50 HZB relative humidity: less than 80%C environment humidity: 5 degrees Celsius to 40 degrees CelsiusD measurement range: 1 PPM ~ (commonly used 0.03 ~ 90%)E relative error: less or equal to 3% (parallel determination to water for standard sample, Kart fischer reagents were water equivalent) note: it must be more than equal to the water equivalent 3.00 mg/ml2 application:The instrument is used to determine the main chemical fertilizer, medicine, chemical raw materials and its water content of industrial products. General determination of moisture content at 0.1% ~ 10% in 10 ml automatic Burette, (minimum points degrees for 0.05 ml)According to the information and the materials association standard ASTM, use Kart fischer method can be determined directly compounds including:Organic compounds-saturated unsaturated carbon, acetal, acids, acyl brine, alcohols and stable bmi, amides, weak amine, anhydride, ErLiuHuaWu, ester, ether halide, hydrocarbons, stable ketones, peroxide, the acid ester, sulfites, sulfur acid salt hydrogen and sulfides.Inorganic compounds-acid, acid oxide, alumina, anhydride, barium peroxide, calcium carbide, copper oxide, desiccant, hydrazine sulfuric acid, organic and inorganic salt of salt.Using KF-A type 1 to be automatic moisture tester, can achieve the same effect with foreign instrument, this product has the jiangsu province of liaoning province in Shanghai YaoJianSuo and Switzerland (METTLE) company produces the DL-18 type than do test, verification, has the same accuracy and stability, and prices for imported instruments only five percent, can be called domestic only accurate, reliable, economical Kart fischer moisture measuring instruments. And many industry in order to implement the national standard recommend instrument, the production of metering license for 01130020, batch number.The instrument was awarded the city products stable certificate, city spark cup award, near and Shanghai quality technology supervision bureau measurement conformity confirmation issued by the unit, the quality and the prestige double security demonstration unit and won the Chinese quality wan lixing honorary certificate.3 instrument characteristics1 the power supply voltage for 220 V, after rectifying changes on the stability of the instrument package card.2 electromagnetic mixer adopts imported dc motor stepless speed regulation, stirring speed can let to adjust.3 this product has set up a file in the previous titration system improved, and now instead of the pump.4 direct drainage switch can be excluded reaction and waste liquid bottle, convenient operation, the whole process in the closed system, safe and reliable.5 is easy to use, high precision, stable performance, etc.4 operating methods1, turned on the power and indicator emit light.2, as shown in the diagram through the pipe, insert the electrode.3, will determine the switch to transfer to the correction files, reoccupy correction potentiometer will pointer transferred to 50 μ A, then transferred to the determination of the determination of switch to block, pointer automatically go to zero.4, open the titration switch will drop into the reaction of the cassette reagent A digital point to 39 until μ A around (within two small division) for the end, right now LongYe for red brown, should maintain 30 seconds or so.5, drainage: open drainage switch, will be reflected in the bottle of waste liquid pumps in the bottle.6 and the counter: the switch on the counter, dial up is opened, is by pushing down on the zero.If in use, counter forget zero, stack, minus the first count is equal to the value of the test. Above work to remove the water content of methanol.7, Kart fischer reagents calibration.With 10 μ L trace syringe injection water to the reaction in the bottle, calculated according to the following formula Kart fischer reagents water equivalent.X = 10 ÷ (0.028 * S) = Kart fischer reagents water yield, strength, titration degrees.Repeat three times, or three or more times find out the average.X = (X1 X2 X3 + …….+... Xn) ÷ n = water equivalent averageBecause Kart fischer reagent extremely sensitive to water, so every time before the test should Kart fischer reagent a calibration.5 sample testWill 2 ~ 5 g sample (accurate to 0.0001 grams) open charging mouth rubber stopple and quickly out of the samples into the reaction of bottle, immediately cover tight rubber stopple, stirring, until the sample solution after dissolving, drip into the Kart fischer reagent until the pointer to 39 μ A place, namely the end.Then the moisture contentWater content = [(X × V) ÷ G] X X = water equivalent averageV = to join the consumption of Kart fischer try dose (0.028 * S)G = to join the weight of the samples (with mg for units)7 Kart fischer reagentKart fischer reagents water equivalent = strength = titration degrees, not less than 3.00 mg/ml per ml Kart fischer reagents (the equivalent of 3.00 mg water equivalent.Note: we have a complete Kart fischer reagent supply.8 the dose of methanolIn preparing for the first time, with 5 ml of methanol is enough, because methanol is used as a solvent.THREE security maintenance1 Kart fischer corrosive reagent, operation should be pay attention to, in order to avoid the reagent spill instrument surface cause corrosion.2 Kart fischer reagent to the human body has different degree of harm, should be in operation good ventilated conditions, to ensure safety.3 Kart fischer reagent waste discharged into fixed to MiFengPing, press harmful material processing. Do not open any place or into the sewer to prevent contamination of the environment.After four after the experiment, the pipe change without water within the methanol, open the titration switch, in the pipe of the reagents filter clean, in case of reagent in the pipe solidification within, affected next time of normal use.FOUR general fault handling1 when instrument switch on the "correction" place, no response headers, then check the band switch potentiometer header and wiring is disconnected, or possibly for the transportation of turbulence damage multiplier.2 when instrument switch on the "determination" place, titration end point if the ammeter pointer motionless, check the electrode plug is oxidation, and if it is, it do cleaning processing (with alcohol cotton wipe can).3 after a period of using platinum electrode shall be baptized into thin nitric acid solution in 24 hours, and then take out, rinse, filter paper wiping clean, to ensure that the sensitivity of the instrument.4 check whether the platinum electrode wire together (electrode life for 1 year).Eight instruments annex see the packing list.FIVE instrument warranty period of one year, lifetime maintenance.