Shanghai Hegong Scientific Instrument Co., Ltd
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Amoxicillin Karl Fischer Moisture Analyzer
The AKF series Karl Fischer moisture analyzer is a fully automatic volumetric Karl Fischer moisture analyzer with independent intellectual property ri
Product details


Product Introduction

The AKF series Karl Fischer moisture analyzer is a fully automatic volumetric Karl Fischer moisture analyzer with independent intellectual property rights designed and developed by Shanghai Hegong Scientific Instrument Co., Ltd. The instrument adopts Karl Fischer titration method as the analysis principle, and uses Hegong's unique design and humanized control system. The instrument has good sealing, high detection accuracy, good repeatability of measurement results, wide measurement range, and high degree of automation. It can be used to accurately analyze crystalline water, adsorbed water, and free water in solid, liquid, and gas samples. The AKF series Karl Fischer moisture analyzer has multiple innovative technologies and received support from the National Science and Technology Commission in 2010, as well as funding from Shanghai's science and technology projects. It has also obtained multiple national patents and achieved industry-leading performance indicators, which can widely meet the water content measurement needs of many industries such as petroleum, chemical, pharmaceutical, daily chemical, food, machinery, and agriculture.


technical parameter


productnamecall

Type and Model

AKF-2010VIntelligentAutomatic Karl Fischer moisture analyzer

AKF-2010VKarl-Fischer Titrator

analysismethod

Titration method

Rong RongKarl Fischer titration using quantitative method

Volumetric Titration

Titration application

Application

hitBlank (pre titration)

Pre-titration

reagentcalibration

KF Calibration

cardErfeixiu titration detection

KF titrants

Karl'splusheatHeadspace injection titration

Titration with Heating headspace sampler

applyFor solid, liquid, and gas samples

Solid, liquid and gaseous samples

titrationcontrolWithEnd

End point of titration

intelligenceTitration speed control

Intelligent control titration speed

automaticStandby modetitration

Standby titration for automatic conditioning

wholeAutomatic drift endpointjudgeabsolutely/Relative drift, maximum time/volume/

Drift stop for endpoint recognition (absolute and relative, Tmax, Vmax)

determinationScope andindex

Detection range

Content range0.001%-100%

Content Range:0.001%-100%

mostgoodInjection volumeproposalconsume0.5ml-4mlcardErfeixiureagentAs appropriate

Recommended injection dose :0.5ml-4ml

titrationAccuracy:1/200001ul20mlmeteringPipe)0.5ul10mlmeteringPipe)

Titration accuracy:1/20000,1uL(20mL measuring tube) 0.5uL(10mL measuring tube)

beforeMeasuring tube:20ml/10ml/5mlhighPrecision meteramountPipe

Measuring tube range: 20mL/10mL/5mL

determinationresult

Results

automaticCalculate and display the results(%ppmH2OmL)

Automatic calculation & result display(%,ppm,H2O,mL)

resultStatistics (mean, relative deviation, relative standard deviation)

Record statistics(average value,absolute deviation,RSD)

titrationCurve(V-E

Titration curve(V-E)

Result storagePrinting and outputting;

Results storage,printing,output

auxiliaryfunction

Auxiliaryfunctions

meteringTube: suction, return, injection, suckSolvent, waste liquid discharge, manual stirring

instrumenttestWaste liquid bottlespillWarning issuedIntelligent fault protection

Imbibition,liquid recovery,liquid injection,solvent inhalation,waste liquid discharge,

stirring,device calibration,overflow warning,fault protection

user interface

User interface

7.0Inch sizescreenreal timeDisplay titration curve;

7.0"screen display titration curve ;

canusetouch screeninput

LCD touch screen display

GLP/GMPQuality standards

GLP/GMP conformity

Instrument name andFactory number

Titrator identification and serial number

User UnitAnd operationEmployee ID number;

User unit and operator number;

instrumentCorrection functionCorrectionrecord;

Checking of burette precision,

User groupAnd user permission settings, as well as user operation records;

User groups and user rights settings, and user operating records

auditTracking function and audit tracking records;

Audit tracking function and audit trail record;

UDisk storageDefenseExperimental reportReport;

U disk storage test report;

valveThe doorpipingtexture of material

Valves & Piping

PTFEautomaticcontrolthreeOpen valve, AllPipeline and connectionHead fullseal upDurableCorrosion and UV resistanceDesign

PTFE electromagnetic valve, corrosion-resistant anti-ultraviolet pipe

inputOutput interface

External input/output

Mv/pHmeasureElectrode interface,ginsengCompared to electrodes,PT1000temperatureElectrode interface;

RS-232C,USB, EthernetStirring interface

chooseEquipped with a heating mixing table and Karl Fischer heating headspaceenterSample device, microdataPrintmachine

Heated magnetic stirrer(optional),Cassette heating headspace sampler,Micro printer;

workringThe environment

Ambient conditions

Temperature:5to35°CHumidity: less than80% RH(No condensation)

Temperature: 5 to 35°C; Humidity: less than 80%RH (No condensing)

Power supply: AC100-240 V, 50/60 Hz; Power:35W

AC100-240 V, 50/60 Hz; approx. 30W





Product Features

1. The instrument adopts a fully enclosed titration cell, which can use various Karl Fischer reagents. The system drift is extremely low, and the solvent is automatically replaced and the waste liquid is discharged to avoid the leakage of toxic reagents and the infiltration of environmental moisture; Special nuts and seals are used for pipeline joints.

2. Color LCD touch screen, graphical shortcut key operation is convenient and fast, the test parameter setting method is simple, all analysis results can be stored, and multiple results (moisture content, percentage content, PPM content, Karl Fischer reagent consumption) are displayed simultaneously.

3. The color titration curve is dynamically displayed, and the measurement results are automatically memorized. The measurement results can be output or printed in the format required by GLP/GMP.

4.Carefully designed titration core patented technology, using piston push up buretteWhile significantly reducing the instrument failure rate, it also allows forThe instrument achieves titration control accuracy. The patented piston head created by Hegong can be connected to high-precision measuring tubes at ambient temperatures between -20 ℃ and 40 ℃Perfect coordination, capable of blowing air to push the piston to move without any leakage of reagents. It has also created a lifespan that is up to 5 times longer than the other party.

5. The brand new sealing design of the titration cell not only keeps the system extremely low drift, but also prevents toxic reagents from leaking in the cell, ensuring the safety of operators and the environment.Hegong's original patented technology for adding sample portsSuitable for adding samples of different forms such as solids, liquids/gases. Optional micro titration cup and maintenance free dual platinum needle electrode.

6.Password login: Operators log in to the device with their respective usernames and passwords to operateUnauthorized personnel are not allowed to operate and use the system.

7.Permission management: Level 2 management permissions, separating administrators from regular usersOrdinary operators only have operational permissions equivalent to completing their job functions, while administrators have some permissions such as data deletion and data correction.

8.Audit tracking: Method setting, manual operation, parameter modification, and deletion can all fully query relevant records.

9.Result printing: AKF-2010V includes multiple data interfacesRS-232C connection port, network interface, USB interface;A dedicated needle printer can be optionally selected to print analysis reports at any time. The report data can be exported.

10.3Q certification service:Optional 3Q authentication service,Fully comply with GMP and FDA related legal and regulatory requirements.

11. Details determine success or failure, and carefully designed casing seals and leak deflectors may never be needed. Because the possibility of liquid leakage has been reduced to one in ten thousand, however, the unwavering design philosophy is to ensure comprehensive protection. The AKF series Karl Fischer moisture analyzer no longer has the common scenario of similar instrument reagents leaking into the instrument host and corroding the internal components of the host.

12. Fully automatic measurement, advanced endpoint algorithm, can use various domestic and foreign brands of Karl Fischer reagents; The measurement is simple, rapid, and accurate; Automatic tracking of environmental moisture drift, which can be automatically deducted to ensure accurate analysis results;

13. The instrument can achieve functions such as inhalation of reagents, measurement, endpoint display, solvent inhalation, waste liquid discharge, stirring, and stepless speed regulation; Instrument status, measurementReal time display of parameters such as pump injection volume, current time, drift, etc.

14. The instrument adjusts the titration speed according to the sample and uses a high-precision titration control system for high detection accuracy; Intelligent fault recognition, automatic shutdown of hardware faults, and protection of important components; Using unique patented technology for high-precision quantitative tubes and anti diffusion titration heads to ensure the system's determination of resultsAccurate, stable operation, and extremely low failure rate, the lifespan of key components is extended by more than 5 times.

15. The intelligent reagent management system enables automatic addition of fresh reagents in a fully enclosed state, as well as automatic replacement of Karl Fischer reagents and discharge of waste liquids, effectively protecting experimental personnel from direct contact with toxic solvents and preventing overflow of waste liquid bottles.

Experimental case


---Experimental configuration---
1. AKF-2010V Karl Fischer titration instrument host;
2. Fully enclosed safety titration cell components;
3. Platinum needle electrode;
4. Titration tank mixing table;
5. Anhydrous methanol
6. 10 μ L micro injection needle
7. 5ml sample injection needle;
8. Electronic balance (0.1mg)
9. Karl Fischer reagent



---Measurement method---

1. Inject approximately 40ml of anhydrous methanol solvent into the titration cell using the "solvent absorption" function of the instrument,

2. Titrate to the endpoint using the "blank" function of the instrument to remove moisture from the titration cell. The instrument is ready and maintains the endpoint state.

3. Accurately extract 10 μ L of pure water using a dried micro injection needle, wipe the needle dry, and place it on a balance for weighing. Select the instrument calibration function, inject pure water below the liquid level in the titration cell, wipe the needle dry, and place it on the balance for weighing. Enter the difference between the two weighings as the weight of pure water and start calibration.

4. Repeat step 3 and measure 3-5 times. The instrument will automatically save the calibration results and calculate the average value as the titration degree of the reagent.

5. Extract a certain amount of sample with a sampling needle and add it to the titration cell. Input the difference in weight of the sampling needle before and after injection into the instrument as the sample injection volume, and start measuring.



Sample Name Sample Mass/mg Reagent Consumption/mL Measurement Result/%

Amoxicillin granules 190.5 1.024 1.709
188.6 1.026 1.729
189.4 1.022 1.716

Average value/% 1.718
RSD/% 0.59





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