GC-4000A High-precision Gas Chromatograph with FID, ECD, FPD and TCD

1. Application

It can choose to install hydrogen flame detector, flame photometric detector, electron capture, and thermal detector. According to the national standard for medicine, pesticide, food (meat, cooking oil, vinegar, soy sauce, wine, rice, flour, candy, cakes, tea, drinks, etc.) and food packaging containers, agricultural products (vegetables, fruits, etc.), water and wading products, cosmetics, biological materials, environmental soil, animal feed and the low boiling point of organic compounds in the samples detection, this type of instrument can perform the quantitative analysis and confirmed analysis determination. If added some appropriate accessories, it can also detect all kinds of the building materials chemical raw materials, other agricultural and sideline products, and all kinds of articles for daily use of harmful residues for testing.

As for some objects mentioned above, it can used to detect adulteration.

2. Features

1. Flexible and reasonable instrument design allows that it can be equipped with hydrogen flame ionization detector, electron capture detector and flame photometric detector, which has three independent gas paths, circuit systems, and three signal output terminal. This design is greatly convenient the users to use, avoiding the replacement of detector operation, and reducing the fault rate.

2. It has unique design and stable temperature control system, which has eight temperature control points, and two points can be carried out eight steps control; Sampler and the detectors can be individually climate-controlled, and have the function of over-temperature protection.

3. It has flexible packed column and capillary column system, apparatus is equipped with two syringe injection ports and shunt/no bypass capillary devices.

4. Mass oven, no noise, box adopts imported mirror stainless steel plate, durable, beautiful, generous.

5.The whole machine unit structure design ensures the convenient installation, maintenance, maintenance.

6. It adopted microcomputer temperature control and man-machine dialogue, and each point temperature can be real-time displayed.

7. The sample system equipped with six valve and syringe injection in two ways.

8. The instrument can be installed automatic afterwards door opener, has over-temperature protection function, large screen LCD display temperature, external events.

3. Main technical parameters:

1. Column oven

1)     Temperature range: 5-400℃;

2)     Temperature precision: 0.1℃;

3)     Temperature accuracy: 1% setting valve;

4)     Double over-temperature protection: can set any temperature within 400℃;

5)     Column oven volume: 300x300x200mm.

2. Temperature programming

Program steps: 8 steps temperature programming, constant time 0-999.9min, increment 0.1min;

Temperature programming rate: 0-40℃/min, temperature increment 0.1℃/min.

3. Sampling method: Capillary shunt/no shunt into the sample

4. Detector

1)     FID

Detection limit: M≤1X10^-11g/sec(cetane)

Linearity range: 10⁶

Drifting: ≤1x10^-14A/30min

Noise: ≤5x10^-14A

Max. Temperature: 400℃

2)     ECD

Detection limit: M≤1X10^-15g/ml(γ-666)

Noise: ≤0.01mv

Drifting: 0.02mv/30min

Linearity range: 10⁵

Radioactive source: Ni⁶³

Max. Temperature: 400℃

3)     FPD

Detection limit: MP≤2X10^-12g/sec(1605), Ms≤5x10^-11g/sec

Noise: ≤2x10^-12A

Drifting: ≤3x10^-15A/30min

Linearity range: 10⁵

Max. Temperature: 400℃

4)     TCD

Sensitivity: ≥5000mv.ml/mg(benzene)

Noise: ≤0.1mv

Drifting: ≤3x10^-15A/30min

Linearity range: 10⁵

Max. Temperature: 400℃

Main technical parameters of working station:

1. Sampling sensitivity: 0.1uv/s;

2. Measuring range: -10mv-1v;

3. Detectable peak number: 2000pcs;

4. Max. Storage volume of spectrogram: 20h/time;

5. Repeatability: relative standard deviation: (peak area)±0.1%, (peak height)±0.2%

6. Sampling frequency:20times/s, 30times/s,60times/s for option.

Warranty Service

From the date of acceptance, we can provide 12 months quality guarantee, all the maintenance costs and accessories parts costs are free within the date of quality guarantee (spare and accessories parts costs from instrument faults by human factors will be charged proper costs).

After the date of quality guarantee, we will in charge of maintain instrument, and charge proper costs according to actual maintenance costs. HEB wants to joint hands with you to create more precise experimental instruments.

Xi’an Heb Biotechnology Co., Ltd, is established in 2004, has passed more than 11 years, is a technological 

innovation based enterprise provided with  integration of research, develop, manufacture and marketing. 

Nowadays, our products has gotten extensive application in Asia, European and America, even spread all over domestic laboratories. The brand of Xi’an Heb has become one of the popular and reliable brands among our customers. We aim of technical innovation and service for society, actively research and develop new productand sacrifice in education and science. 

After longterm researchand development and continuoustechnical accumulation, we have more than 80 

technical patents related to vacuum and cooling experimental equipment, supplying sophisticated devices for 

domains of scientific research and industrial application in chemical, biological, pharmaceutical, polymer 

engineering, battery, electronics, iron and steel, petroleum, machinery, and new materials.  

Welcome new and old customers to our factory, and we guarantee that our products have highquality and 

more favorable price. HEB wants to joint hands with you to create more precise experimental instruments.

Question 1: Are you the factory?

Yes, we’re.

Established in 2004, we manufacture rotary evaporator, cylindrical jacketed reactor, cryostat etc.

In 2006 year, we associated with our soul partner QiXin instrument, developed commonly new production line, now, we manufacture CO2 Incubator, Cooling Incubator, Shaker Incubator, Blast Oven, Vacuum Oven, Climatic chamber and those products. Etc.

Question 2: What is the delivery time?

Normally, we have stocks for our hot sale products, the delivery time is about 5-10 days. For the customized instrument, it’s about 10~20 days.

Question 3: What’s the warranty period? How do you provide this?

Two years (24 month).

We have very strict inspection, the instruments which you received is high-quality and reliable.

If there’s any error, we’ll provide you the on line solution with in 12 hours. We’ll provide you the spare parts and the shipping cost totally free.

If the problem was caused by the instrument quality, and cannot be repaired, we’ll ship you the new one.