Weiyel Reference Materials
info@weiyel.com
Addressing the three core risks at the source of edible agricultural products—planting and breeding—Weiyel offers a full range of standard reference materials covering pesticide residues, veterinary drug residues, and food additives.
1. Pesticide Residue Detection Series: Provides single and mixed standard solutions for hundreds of commonly used and new pesticides, including thiamethoxam and thiamethoxam, ensuring accurate quantification for high-risk varieties such as chili peppers, ginger, and onions.
Recommended products for thiamethoxam and thiamethoxam detection in food (contact customer service for more products):
| Product No. | Product Name | Value | Specifications |
| BWN0061-2016 | Thiamethoxam Standard | 99.0% | 250mg |
| BWN0059-2016 | Thiamethoxam Standard | 99.5% | 250mg |
2. Veterinary Drug Residue Detection Series: Covers standards for commonly used veterinary drugs in livestock, poultry, and aquatic products, such as enrofloxacin and doxycycline, providing reliable references for monitoring animal-derived products such as eggs and freshwater fish.
Recommended products for enrofloxacin and doxycycline detection in food (contact customer service for more products):
| Product No. | Product Name | ValueValueValue | Specifications |
| BWJ5844-2016 | Enrofloxacin Standard | 99.89% | 100mg |
| BWJ5706-2016 | Enrofloxacin-D5 isotope standard | 2Components | 1mg |
| BWJ4604-2016 | Doxycycline (Doxycycline) Standard | 98.0% | 100mg |
| BWJ4685-2016 | Doxycycline hydrochloride standard | 99.0% | 50mg |
| BWJ5706-2016 | Enrofloxacin-D5 isotope standard | 2Components | 10mg |
3. Food Additives and Illegal Additives Detection Series: Offers high-purity sulfur dioxide (and sulfite) standard materials, as well as standards for commonly used additives such as cyclamate and dehydroacetic acid, effectively addressing issues of illegal use in preservation and color enhancement processes.
Recommended products for determining sulfur dioxide residue in food (more products available upon request from customer service):
| Product No. | Product Name | Value | Specifications |
| BWB2217-2016 | Standard reference material for sulfur dioxide solution | 100μg/mL | 50mL |
| BWZ7817-2016 | sulfur dioxide solution standard substance | 1000μg/mL | 50mL |
| BWZ7087-2016 | Formaldehyde method for determining sulfur dioxide using matching reagents | / | 6pieces/set |
| BWZ7045-2016 | Sodium sulfite solution standard for sulfur dioxide detection | 100μg/mL | 20mL |
| BWZ9032-2016 | Reagent set for sulfur dioxide determination (formaldehyde buffer-hydrochloric acid pararosaniline spectrophotometric method) | / | 6pieces/set |
| BWZ6462-2016 | Reagents for the determination of sulfur dioxide in food (titration method) | / | 4pieces/set |
| BWZ6463-2016 | Reagents for the determination of sulfur dioxide in food (spectrophotometric method) | / | 7pieces/set |
Recommended products for detecting dehydroacetic acid in food (more products available upon request from customer service):
| Product No. | Product Name | Value | Specifications |
| BWJ4140-2016 | Dehydroacetic acid standard | 99.80% | 100mg |
| BWQ8394-2016 | Dehydroacetic acid solution standard in ethyl acetate | 1000μg/mL | 2mL |
| BWQ7688-2016 | Standard reference material of dehydroacetic acid solution in methanol | 100μg/mL | 1.2mL |
| BWQ7687-2016 | Standard reference material of dehydroacetic acid solution in methanol | 1000μg/mL | 1.2mL |
| BWQ0157-2016 | Standard reference material for dehydroacetic acid solution in ethyl acetate (with label) | 6Components | 1.2mL |
| BWQ7042-2016 | Standard substance of dehydroacetic acid solution in ethanol | 1000μg/mL | 2mL |
| BWQ9719-2016 | Dehydroacetic acid label in sodium hydroxide aqueous solution | 6Components | 1.2mL |
Recommended products for detecting cyclamate in food (more products available upon request from customer service):
| Product No. | Product Name | Value | Specifications |
| BWJ4358-2016 | Cyclamate (sodium cyclohexylsulfamate) Standard | 99.90% | 250mg |
| BWJ5191-2016 | Cyclamate-D4 Standard | 98.2% | 10mg |
| BWQ7622-2016 | Cyclamate (sodium cyclohexylsulfamate) Solution Standard | 10.0mg/mL | 5mL |
| BWQ9849-2016 | Sodium cyclohexylsulfamate-D4 Solution Standard | 100μg/mL | 1.2mL |
| BWQ9791-2016 | Sodium cyclohexylsulfamate Solution Standard | 6mg/mL | 5mL |
| BWQ9792-2016 | Sodium cyclohexylsulfamate Solution Standard | 1200μg/mL | 5mL |
Weiyel has launched a series of high-quality frozen human serum reference materials, providing a unified and accurate "standard answer" for the detection of multiple key biochemical indicators, making precision medicine more reliable.
More>>