Biobased content determination carbon-14 incinerator

Shandong Fuche Biotechnology Co., Ltd

Hotline 178 6417 3588
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FCTC14Biobased content determination carbon-14 incinerator

Product Introduction

When using liquid scintillation method for measurement, the carbon in the solid form material is first converted into liquid carbon that can be measured. Oxidation of the material to CO ₂ under oxygen conditions, then absorption into a solution using CO ₂ absorbent, addition of scintillation agent, and counting using a liquid scintillation counter. The percentage of C-14 content in the sample compared to the C-14 content of the reference substance with the same amount of organic carbon content is the biobased content.

standard basis

GB/T 296492013《Determination of biobased content in biobased materials using liquid scintillation counter method

How to translate14In Biological Samples CThe analysis methodOxygen Bomb Combustion Method（

GB/T 37865-2019） 《-3National Food Safety StandardsRadioactive substance hydrogen in foodThe determination2016》（

GB 14883.2-）-14《Tritium and carbon in living organismsThe analysis method of tubular combustion method》（

HJ1324-2023）《Technical specifications for radiation environment monitoringHow to translate（

HJ/ T 61-2001）《-14 Environmental Biologytritium、7carbon4Determination of Liquid Scintillation Counting Method8》（

DB3

/T 358-201

）Instrument performance and structural characteristicsnThe organic tritium carbon oxidation furnace consists of a specially designed tubular electric furnace, gas supply and exhaust system, temperature control system, tritium carbon recovery system, electrical software, etc. The oxidation and catalytic temperatures can be accurately controlled according to different samples to prevent detonation and incomplete oxidation.nThe specially designed tubular electric furnace has a switchable structure, with independent heating in the catalytic and oxidation zones. The experiment has been completed

canObserve and cool the sample boat；The alloy heating wire is used as the heating element, and the furnace is made of imported alumina polycrystalline fiber material, which has the advantages of temperature field balance, low surface temperature, and energy saving.n

Adjustment of intake gas flow rate in the supply and exhaust systemaccurateSmooth exhaust of air.The quartz pipe at the inlet end is equipped with a Venturi tube; The catalytic zone is equipped with an independent oxygen supply design.n

Electrical control adopts GermanySiemens

PLCSchneider, Omron, Chint Electrical AppliancesnFor different samples, the heating program may vary significantly. This device can have multiple sets of programs tailored to different samples, edited and automatically stored for easy access next time; Equipped with a communication interface, it can achieve external connectivity.n-14select

useΦ50The heating tube and pipeline are made of high-purity quartz material. A larger diameter can accommodate more samples, increasing tritium and carbon contentThe extraction amount and sample preparation effect.

n

The gas collection part of the organic tritium carbon extraction device adopts an integrated precise temperature control cold trap system, which ensures long-term stability at low temperatures and guarantees

HTOThe recycling effect.Biobased content determination carbon-14 incineratorMain technical parametersL four

Simultaneously sample the channel,Diameter of each channel

≥50mmlBoth ends of the furnace tube adopt a quick opening structure for easy sample and catalyst replacement

lCombustion efficiency during sample combustion process2≥98%,14Ensure the accuracy of subsequent instrument analysis resultslCO(C) Adopting series connection

NaOHMeng's gas washing cylinder2recycle3, or organic alkali absorptionlH

O(H) Absorption using cold

freezeAbsorption, avoid entering C-14 absorption bottlel15H-3 recovery rate ≥ 95%, C-14 recovery rate ≥ 95%; Support delivery acceptance verification

lSample boat:Φ40*L00, * * * Sample size: (20-50g) * 21.2l

Heating tube size:Φ5mm×m×4l

System control:PLC programmable control, 10 inch touch screen human-machine operation,No need to set the heating rate,PV and SV adopt a uniform heating program, which rises to the target temperature according to a uniform slope within a set time, facilitating the calculation of combustion time.

lTritiated water condensation device3400mm x 300mm x 550mm (length x depth x height), including 8Hole cold trap.l Whole machine power: 000W

；power supply：