Don't worry about pesticide residue testing — Jinrongyuan makes it easy for you!

**Effective from March 1, 2026, the new national food safety standard GB 2763-2026 has been officially implemented. The new standard imposes stricter requirements on pesticide residues in food, mandating testing for a greater variety of pesticides, lower maximum residue limits (MRLs), and updated supporting testing methods.**

**What does this mean for laboratories?** Workload increases, requirements become more stringent, but report turnaround times cannot slow down. Sample pretreatment involves taking delivered samples such as vegetables, fruits, grains, and tea through steps including crushing, extraction, purification, and concentration to prepare them for instrumental analysis. Pretreatment typically accounts for more than 90% of the total testing time. With the new standard, more pesticides need to be tested, and more sample types are involved (such as dried vegetables, dried fruits, edible fungi, sugarcane, and sugar beets), putting significant pressure on the pretreatment process.

**Don't worry – Hunan Jinrongyuan is here to solve these problems for you.**

Jinrongyuan's complete range of equipment covers every step of sample pretreatment, from initial crushing to final concentration, with a corresponding "magic tool" for each.

**1. Sample Crushing – Turning hard samples into fine powder**

For dry samples such as tea, medicinal herbs, and grains, use a planetary ball mill or three-dimensional grinder to turn them into powder finer than flour within minutes, allowing pesticides to be extracted more easily.

If using the QuEChERS method, a vortex oscillator can process multiple test tubes at once, providing fast and uniform vortex mixing – ten times more labor-saving than manual shaking.

**2. Extraction Shaking – Getting pesticides to transfer into solution**

When placing samples and extraction solvents in separatory funnels, manual shaking is tiring, and different operators apply different force levels, leading to inconsistent results. Using a separatory funnel shaker, the machine performs vertical reciprocating shaking, holding over ten funnels at once. Set the timer, and it shakes automatically, achieving high extraction efficiency with consistent results.

For large-volume samples, use a tumbling bottle machine for automatic tumbling mixing – worry-free.

**3. Digestion and Acid Driving – Precise temperature control leads to accurate data**

For heavy metal testing or certain pesticide pretreatments, samples need to be "digested" using acids. Temperature control is critical: too high and samples may burn; too low and digestion will be incomplete.

Jinrongyuan's graphite electric hot plates and black crystal electric hot plates feature uniform surface temperature distribution with intelligent temperature control – set the temperature and it remains stable. The black crystal hot plate has a large surface area (400×600 mm), accommodating many samples at once. It is corrosion-resistant and withstands long-term exposure to acid solutions.

The intelligent graphite digester is even smarter, allowing programmatic automatic temperature ramping – first low-temperature preheating, then gradually increasing to the target temperature – without requiring constant supervision.

**4. Concentration and Distillation – Quickly reducing sample volume**

Extracted liquids are typically dilute and need concentration. Traditional rotary evaporators are cumbersome to operate. Jinrongyuan's fully automatic distillation apparatus integrates heating, condensation, and collection, stopping automatically when the endpoint is reached – no risk of drying out.

The parallel concentrator is even faster, using vacuum, heating, and oscillation simultaneously – saving two-thirds of the time compared to older methods. Toxic gases are also captured and treated, making it safer for operators.

**5. Drying and Constant Temperature – Basic but indispensable**

The laboratory oven is used for drying samples or constant-temperature storage. Featuring a black crystal panel heat source, it provides stable temperatures, with a durable stainless steel casing.

**Conclusion**

Now that the state requires schools, enterprises, and institutional canteens to be equipped with compliant testing equipment, with data uploaded in real-time to the national traceability platform, manual operation is not only slow but also error-prone, failing to meet current requirements. Automated, high-throughput pretreatment equipment has become a standard necessity for laboratories. Jinrongyuan's equipment has been operating stably in thousands of laboratories, backed by nearly twenty years of technical expertise and multiple national patents. The new national standard demands higher requirements and more testing items, but you don't need to worry about pretreatment. Jinrongyuan provides a full range of equipment from crushing to concentration, enabling your laboratory to work faster, achieve more accurate results, and save valuable labor.