Rice heavy metal detector

1.The instrument can simultaneously detect heavy metal indicators such as cadmium, chromium, lead, and copper in rice, grains, grain products, feed, and feed raw materials.

2. It has an immunochromatographic colloidal gold detection and rapid analysis method, which can expand the detection of fungal toxins and pesticide residues. The system adopts a handheld or pull rod design, meeting the needs of on-site and mobile detection.

3. Built in operating system, integrated computer control, no need for external computers, energy consumption ≤ 15W, detection data and location information can be sent to the network or data platform, and can seamlessly connect with various monitoring information systems. Cooperate with the information management platform for regional security supervision and big data analysis and processing, facilitating the estimation and early warning of food safety issues.

4. Equipped with a built-in wireless transmission module, USB interface, RS232 interface, Ethernet port, data can be transmitted through both wireless and wired connections, and a built-in GPS positioning module can be added for real-time positioning.

5. Tester size: Instrument weight 3.0kg, 7-inch color resistance touch screen, memory: ≥ 2.05GB, built-in micro printer, no need for external printing equipment to print data on site.

6.220V power supply, on-board power supply, suitable for field operation.

7. Complete database functions (real-time display, storage of over 20000 test results, analysis, export, printing, and processing of test data). The colloidal gold detection card module stores records of testing time, testing unit, testing personnel, testing items, sample numbers, testing results, reference values, etc.

8. Immunochromatographic colloidal gold detection module

(1) By using scanning imaging technology and immunochromatographic colloidal gold technology, rapid quantitative detection and analysis of heavy metals (cadmium, lead) can be achieved;

(2) Detection card slot: ≤ 8 × two × 0.5cm, detection method: scanning, scanning accuracy CV ≤ 1.0%, detection time ≤ 5 seconds, measurement repeatability ≤ 3%, light source: independent stable constant current light source, detector: super sensitive photoelectric sensor.

(3) Standard curve entry method: Each batch of testing cards and reagent kits is equipped with a standard curve ID card. The standard curve entry is automatically read, and the testing process does not require the preparation of standard or quality control samples for calibration, making the operation simple;

(4) The detection card is designed using a two line method, with a quantitative detection precision (CV) of less than 15% within the batch and less than 20% between batches. The detection card is individually packaged with a plastic single card to prevent contamination of the detection strip due to exposure to the environment and is easy to use and store. The validity period is 6 months at room temperature and 1 year at 2-8 ℃;

(5) Unified pre-treatment methods: The pre-treatment methods for heavy metal cadmium and heavy metal lead are unified, which can be extracted and tested separately in one go, improving efficiency;

(6) The heavy metal cadmium and lead detection products have product evaluation reports from national testing institutions in the grain system.

9. Constant temperature incubator

(1) Suitable for quantitative colloidal gold test strips and precise temperature control reactions of reaction liquids to improve accuracy;

(2) The fully enclosed design of the incubation card slot is conducive to precise temperature control. The number of incubation card slots in the incubator is 6, the number of incubation holes is 6, the temperature control temperature is 37 ℃, the temperature control accuracy is ≤ 0.5 ℃, the heating speed is ≤ 10min, the temperature uniformity is ≤ 0.3 ℃, and the real-time temperature display accuracy is 0.1 ℃.

10. Oscillator

(1) Oscillation mode: Mixing in multiple circular modes, capable of triggering jog operation and continuous operation for a long time. The oscillation speed range is wide, ranging from 0-2500 rpm/min, with stable low speed and strong high speed;

(2) It can simultaneously extract 8 samples through oscillation, without the need for operators to fix the samples for oscillation, reducing personal operational differences and improving detection accuracy.

11. Mini centrifuge: Speed: 1000-12000rpm, can set centrifugal speed and time independently, volume: 20 × eighteen × 13cm, weight: 1.5kg.

12. Crusher: power ≥ 0.15 kW, crushing particle size: less than 0.15mm, crushing samples basically pass through a 20 mesh sieve.

13. Electronic scale: measuring range: 0-200g, graduation value: 0.01g, stainless steel weighing platform, LCD display, multiple weighing units to choose from.

14. Pipette: 1 100-1000 µ L pipette, 1 20-200 µ L pipette, lightweight pipette operation according to pressure, long-term operation will not cause muscle damage, and pipette results.

15. Testing items

Detection limit of heavy metal cadmium: 0.02ppm Detection range: 0-1ppm

Detection limit of heavy metal lead: 0.02ppm Detection range: 0-1ppm

Detection limit of heavy metal copper: 0.2ppm Detection range: 0-20ppm

Detection limit for heavy metal mercury: 0.01ppm Detection range: 0-0.3ppm

Detection limit of heavy metal chromium: 0.05ppm Detection range: 0-5ppm

Detection limit for heavy metal arsenic: 0.02ppm Detection range: 0-1ppm