Medical device ethylene oxide dedicated chromatographProduct Details

1.Adopting a 320 x 240 dot matrix 5.7-inch ultra large LCD Chinese display, real-time display of various temperatures and operating conditions, achieving perfect online monitoring;

2.Power on self-test, six independent temperature control (vaporization chamber and capillary vaporization chamber can be independently controlled), five stage programmed temperature rise function;

3.Wide range self diagnostic function, when the instrument malfunctions, it automatically displays the fault phenomenon, fault code, fault cause in Chinese, and helps to quickly find and solve the fault, ensuring the best working condition of the laboratory;

4.Overtemperature protection expansion function: If any circuit exceeds the set temperature, the instrument will automatically power off and sound an alarm;

5. The intelligent fuzzy control rear door opening system automatically tracks temperature and dynamically adjusts the angle of the rear door opening, achieving precise temperature control even near room temperature;

6. Heatable airtight needle to ensure no condensation of the sample;

7. The headspace sampling system has a blowback function to avoid cross contamination of the sample;

Temperature control indicators:

1. Temperature control range: room temperature+5 ℃~400 ℃, increment 0.1 ℃

2. Temperature control accuracy: better than ± 0.1 ℃

3. FID detection line mt ≤ 1 × 10^-11G/s (benzene) noise≤0.03mv

4. Program heating: Fifth order constant temperature time O~999min

Increment of 0.1 minutes, temperature increment of 0.1 ℃

200℃The most aboveBig 20℃／min

Ethylene oxide is a commonly used sterilizing agent for medical devices, which has the characteristics of strong penetration ability and good sterilization effect, and is widely used in the disinfection of medical supplies. However, ethylene oxide itself is a toxic gas. If the sterilized product cannot fully evaporate the ethylene oxide gas and the residual toxicity reaches a certain level, it will pose a threat to the human body.

At present, the most effective method for detecting residual organic solvents in medical device epoxyethane and packaging materials is headspace gas chromatography. The GC-7900 dedicated gas chromatograph is combined with a headspace sampler to heat and equilibrate the tested sample (gas-liquid or gas-solid), and directly extract the top gas and inject it into the gas chromatograph. The residual solvent components and content are detected using a hydrogen flame. Headspace gas chromatography is easy to operate, has good separation efficiency, and high analysis efficiency. This instrument is particularly suitable for the analysis of volatile trace components and is an essential testing instrument for quality control of medical device sterilization.