{"product_id":"50ml-negative-liquid-urine-control","title":"50mL Negative Liquid Urine Control","description":"\u003ch3\u003e50mL Negative Liquid Urine Control - One Screen\u003c\/h3\u003e\n\u003cp\u003eThe One Screen \u003ca href=\"https:\/\/www.americanscreeningcorp.com\/collections\/urine-controls\"\u003e\u003cstrong\u003e50mL Negative Liquid Urine Control\u003c\/strong\u003e\u003c\/a\u003e is a synthetic urine solution meticulously formulated to simulate human urine, ensuring the accuracy and reliability of urine drug testing procedures. Designed for use with all handheld onsite drug screening devices, this control solution provides a consistent negative result, serving as a critical component in quality control protocols.\u003c\/p\u003e\n\u003cp\u003eOne of the standout features of this product is its impressive stability. Unopened, it remains stable for up to 24 months when refrigerated (35–46°F) and up to 12 months at room temperature (77°F). After opening, the control solution maintains its integrity for six months if frozen or until the expiration date, whichever comes first. This extended shelf life ensures that laboratories and testing facilities can rely on the product.\u003c\/p\u003e\n\u003cp\u003eThe synthetic urine-based matrix of the One Screen control closely mimics the chemical composition of human urine, including pH, specific gravity, and other key parameters. This similarity ensures compatibility with various testing systems and enhances the accuracy of test results. Moreover, the inclusion of 16 drug constituents within a single control vial, allows for comprehensive testing across multiple substances, streamlining the quality control process.\u003c\/p\u003e\n\u003ch3\u003eEase of Use, Stability and Synthetic\u003c\/h3\u003e\n\u003cp\u003eEase of use is another significant benefit. The product comes in ready-to-use 50 mL bottles, eliminating the need for preparation and reducing the potential for user error. This convenience is particularly valuable in high-throughput environments where efficiency is paramount. Additionally, the control solution is recommended by the majority of handheld device manufacturers, underscoring its reliability and effectiveness in various testing scenarios.\u003c\/p\u003e\n\u003cp\u003eIncorporating the One Screen 50mL Negative Liquid Urine Control into your testing protocol not only enhances the reliability of your drug screening processes but also supports adherence to regulatory standards. By providing a consistent negative control, it helps identify potential issues with testing devices, thereby reducing the risk of false positives or negatives and ensuring the validity of test results.\u003c\/p\u003e\n\u003cp\u003eIn summary, the One Screen 50mL Negative Liquid Urine Control offers a robust solution for quality assurance in urine drug testing. Its synthetic composition, extended stability, comprehensive testing capabilities, and ease of use make it an indispensable tool for laboratories, clinics, and organizations committed to maintaining high standards in drug screening procedures.\u003c\/p\u003e\n\u003ch3\u003eFeatures \u0026amp; Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic Urine Matrix:\u003c\/strong\u003e Developed to closely mimic the chemical composition of human urine, ensuring compatibility with multiple testing platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady-to-Use Format:\u003c\/strong\u003e Pre-mixed liquid solution eliminates the need for preparation, saving time and reducing errors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Stability:\u003c\/strong\u003e Unopened controls are stable for up to 24 months when refrigerated (35–46°F) and up to 12 months at room temperature (77°F). After opening, controls remain stable for six months if frozen or until the expiration date, whichever comes first.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Testing:\u003c\/strong\u003e Contains 16 drug constituents within a single control vial, to support a wide range of testing requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Recommended:\u003c\/strong\u003e Endorsed by the majority of handheld device manufacturers for quality control purposes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Packaging:\u003c\/strong\u003e Available in ready-to-use 50 mL bottles, facilitating ease of use in various testing environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFREE shipping on orders of 100 controls or more. \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIn addition to this, bulk pricing structures allow you to save even more.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFor inquiries or bulk purchases, call Cody at 318.798.3306.\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose American Screening Corp\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Quality:\u003c\/strong\u003e Our urine controls are meticulously crafted to meet rigorous quality standards. Each product undergoes thorough testing to ensure consistency and reliability, providing confidence in every test result.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEase of Use:\u003c\/strong\u003e Designed with user convenience in mind, our urine controls come in ready-to-use formats, eliminating the need for complex preparation. This simplicity enhances efficiency and reduces the potential for user error.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompliance with Standards:\u003c\/strong\u003e ASC's urine controls are manufactured in adherence to industry standards. This compliance ensures that our products meet the necessary regulatory guidelines for quality assurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Customer Service:\u003c\/strong\u003e Our dedicated support team is committed to providing exceptional customer service. We work closely with clients to understand their specific needs and offer tailored solutions, ensuring satisfaction at every step.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuaranteed Lowest Pricing:\u003c\/strong\u003e We strive to offer the most competitive pricing in the market. With quantity discounts available, our clients benefit from cost-effective solutions without compromising on quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eHow to use 50mL Negative Liquid Urine Control\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePreparation:\u003c\/strong\u003e Ensure the liquid urine control is stored according to the manufacturer's guidelines, typically at 2–8°C (36–46°F). Do not freeze unless specified. Before use, allow the control to reach room temperature (20–25°C) to ensure accurate results. Gently swirl or invert the bottle several times to ensure homogeneity. Avoid vigorous shaking to prevent foam formation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication Methods:\u003c\/strong\u003e There are two common methods for applying liquid urine controls: Use a dropper to apply the control solution directly onto each reagent pad of the test strip. Ensure each pad is thoroughly saturated without over-saturating. Pour the control solution into a clean container. Dip the test strip into the solution, ensuring all reagent pads are immersed. Remove the strip promptly to prevent leaching of reagents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReading and Recording Results:\u003c\/strong\u003e Follow the manufacturer's recommended timing for reading results after application. Compare the color changes on the reagent pads to the provided color chart or use an automated analyzer if available. Record the results, including date, time, lot numbers of the control and test strips, and any observations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePost-Test Handling:\u003c\/strong\u003e After use, promptly recap the control bottle and return it to the recommended storage conditions. Opened controls are typically stable for a specified period, such as 30 days at room temperature or until the expiration date if refrigerated. Avoid touching the dropper tip or pouring spout to any surfaces to prevent contamination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTroubleshooting:\u003c\/strong\u003e If control results fall outside the expected range, consider the following steps: Verify that the control and test strips are within their expiration dates. Make sure you follow proper storage and handling procedures. Repeat the test with a new control or test strip.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ – Liquid Urine Control\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1. What are Urine Controls?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUrine controls serve as quality control solutions that help verify the accuracy, consistency, and reliability of drug testing and urinalysis systems. They mimic real urine and contain known analyte levels to ensure instruments and reagents function correctly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Why are Urine Controls important?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThey help labs to Confirm test accuracy, Detect faulty instruments or reagents, Prevent false positives or negatives and Comply with regulatory standards\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. What types of Urine Controls are available?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNegative Controls contain no drugs or analytes and confirm that systems don’t produce false positives.\u003c\/p\u003e\n\u003cp\u003ePositive Controls include specific drug concentrations to confirm test sensitivity and detection accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. What tests use Urine Controls?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUrine controls support: Drug screening (workplace, clinical, forensic), Urinalysis (e.g., kidney, infection, diabetes testing) and Toxicology workflows and laboratory research\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Are Urine Controls made from real urine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, manufacturers synthetically formulate urine controls to replicate human urine properties and deliver consistent analyte concentrations for accurate testing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. How do Urine Controls improve lab efficiency?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThey reduce retesting, minimize errors, and streamline quality control—helping labs save time and maintain test accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Are Urine Controls compatible with all testing systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. They work with urinalysis dipsticks, immunoassays, chromatography systems, automated analyzers, and rapid drug screening devices.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Do they contain preservatives?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSome controls contain preservatives to extend shelf life, while others require freezing or lyophilization based on storage requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. How long do they last after opening?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMost liquid controls remain stable for 7 to 30 days after opening. Always follow the manufacturer's storage and expiration guidelines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Can forensic labs use Urine Controls?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, forensic toxicology labs use certified urine controls to validate drug test accuracy for legal and court-admissible procedures.\u003c\/p\u003e","brand":"One Screen","offers":[{"title":"Default Title","offer_id":49995670192440,"sku":"AM-100-50","price":78.75,"currency_code":"USD","in_stock":true},{"title":"Variant (T#K8TM5S)","offer_id":50347665293624,"sku":null,"price":69.46,"currency_code":"USD","in_stock":true},{"title":"Variant (T#5IUOV2)","offer_id":50347665359160,"sku":null,"price":67.34,"currency_code":"USD","in_stock":true},{"title":"Variant (T#GOJVDI)","offer_id":50347665391928,"sku":null,"price":65.92,"currency_code":"USD","in_stock":true},{"title":"Variant (T#T16981)","offer_id":52034705588536,"sku":null,"price":74.03,"currency_code":"USD","in_stock":true},{"title":"Variant (T#PYU2YQ)","offer_id":52034705621304,"sku":null,"price":72.45,"currency_code":"USD","in_stock":true},{"title":"Variant (T#K2230K)","offer_id":52034705654072,"sku":null,"price":70.88,"currency_code":"USD","in_stock":true},{"title":"Variant (T#LQM32J)","offer_id":52034705686840,"sku":null,"price":69.3,"currency_code":"USD","in_stock":true},{"title":"Variant (T#6MOXRH)","offer_id":52034705752376,"sku":null,"price":66.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/6089\/3752\/files\/50mL_Negative_Liquid_Urine_Control.png?v=1775633101","url":"https:\/\/www.americanscreeningcorp.com\/products\/50ml-negative-liquid-urine-control","provider":"American Screening Corp","version":"1.0","type":"link"}