Chemicals Standards N
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NPW - Standard Plate Count
NSI Lab SolutionsOne stabilized pellet containing a heterotrophic bacteria in the range of 5 - 500 MPN per mL. Sterile hydration buffer included. Store in freezer. Supplied in duplicate so that you can evaluate 2 analysts or 2 methods without having to purchase additio
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A certified Snap-N-Spike(R) solution suitable for use as starting material in calibrators and controls for norcarfentanil LC/MS or GC/MS testing methods in clinical toxicology, urine drug testing, prescription monitoring, or forensic analysis applications. Norcarfentanil is a major urinary…
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Synonyms: Sodium nitrite solution Formula: NaNO2 Formula Weight: 69.00 CAS No.: 7632-00-0 Density: 1.00 g/mL at 20 °C Storage Temperature: 2-8°C General description: Visit our Sensor Applications portal to learn more. Preparation Note: prepared with NaNO 2 and H…
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N-Desmethylclozapine is an active metabolite of Clozapine, an atypical antipsychotic drug used for treatment of schizophrenia. Clozapine is sold under the trade names Clozaril and FrazaClo in the US. This Snap-N-Shoot(R) stable-labeled internal standard is suitable for quantitation of…
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NPW - Coliforms/E.coli
NSI Lab SolutionsDesigned for use with all Most Probable Numbers (MPN) and Membrane Filtration (MF) test procedures. Compatible with IDEXX quantitray MPN methods for waste water. Sample is supplied as a dehydrated pellet in the range of 20 - 2400 CFU/MPN per 100 mL. T
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N-Desmethyl U-47700 is the primary urinary metabolite of U-47700. A certified Snap-N-Spike(R) solution suitable for use as starting material in calibrators and controls in N-Desmethyl U-47700 LC/MS or GC/MS testing methods for clinical toxicology, urine drug testing or forensic analysis…
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NPW - Amenable and Total Cyanide, NELAC range 0.1-1 mg/L, 21mL
NSI Lab SolutionsA 21 mL concentrate for determination of Amenable and Total Cyanide. Formulated in the NELAC range of 0.1 - 1 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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Norfluoxetine is a primary metabolite of the selective serotonin reuptake inhibitor (SSRI) fluoxetine, an antidepressant. This internal standard is suitable for quantitation of norfluoxetine levels in urine, serum, or plasma by LC/MS or GC/MS for urine drug testing, clinical toxicology, or forensic…
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A certified solution standard of Naltrexone-3-ß-D-glucuronide, a metabolite of the opiate Naltrexeone. Sold under the trade names Revia, Depade and Vivitrol, naltrexone is prescribed primarily for the management of alcohol or opiate dependence. This analytical reference standard is applicable…
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The Exaxol nitrogen standard 1000 ppm (source NO2) is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Laboratory use only 1000.0 ppm (µg/mL): N (source…
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Container contains 100 mL of matrix modifier.
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N-Desmethylclobazam-13C6 is a stable-labeled structural isomer of N-Desmethylclobazam, also known as norclobazam. This standard is suitable for quantification of N-Desmethylclobazam levels in urine or other matrices by LC/MS or GC/MS for clinical toxicology, urine drug testing, or forensic analysis…
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A stable-labeled internal standard suitable for numerous quantitative LC/MS and GC/MS applications in forensic analysis, clinical toxicology testing, pharmaceutical analysis and isotope dilution methods. Naloxone is an opiate drug used to counter the effects of opioid overdose. Molecular…
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NPW - TOX, range 300-1500 ug/L, 5.5mL
NSI Lab SolutionsA 5.5 mL concentrate in Methanol for determination of TOX. Formulated in the range of 300 - 1500 ug/L. Each ampule produces 3 liters of sample.(Supplied in duplicate)
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Assurance® Grade Neodymium Single-Element Standard
SPEX CertiPrepAA & ICP Assurance® Grade CRMs are designed for AA and ICP and are available in single and multi-element formulations. 70 elements are available as single-element standards and are available at 1, 000 µg/mL and/or 10, 000 µg/mL. Application: For AA and ICP
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Storage: 2-8C Application: Refer to the product's Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support. Legal Information: TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC Other Notes: This Certified…
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1000µg/mL Nickel in 2% HNO3
High Purity Standards1000 µg/mL Nickel from nickel metal in 2% HNO3 This standard is certified ISO Guide 34 and 17025. 18 Month Expiry Date
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1000 ppm Neodymium for ICP
Inorganic VenturesInorganic Ventures' 1000 ppm Neodymium for ICP is a certified reference material set in a nitric acid matrix for stability. This neodymium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …
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NPW - Nitroaromatics/Nitramines in Water, range 1.0-20.0 ug, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Acetonitrile for determination of explosive residues in water. (Supplied in duplicate)
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NPW - Enterococcus/Fecal Strep
NSI Lab SolutionsDesigned for use with all MPN and MF procedures. Sample supplied as a dehydrated pellet in the NELAC range of 20 - 1000 CFU/MPN per 100 mL. Sterile hydration buffer included. Store in freezer. Supplied in duplicate so that you can evaluate multiple me
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Each PerkinElmer Nickel (Ni) Pure Grade Atomic Spectroscopy Calibration Standard is supplied with a comprehensive Certificate of Analysis that documents the quality and reliability. Concentration: 1,000 µg/mL Matrix: 2% HNO3 Volume: 500 mL
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NPW - Oil and Grease, NELAC range 20-200 mg/L, 3.2mL
NSI Lab SolutionsA 3.2 mL concentrate for determination of Oil and Grease. Formulated in the NELAC range of 20 - 200 mg/L. Each ampule produces 3 liters of sample. (Supplied in duplicate)
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NPW - Low Level Total Residue Chlorine, range 50-250 ug/L
NSI Lab SolutionsA single sample for determination of Low Level Total Residual Chlorine in the range of 50 - 250 ug/L. (Supplied in duplicate)
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NPW - Sulfide, NELAC range 2.0-20 mg/L, 10.5mL
NSI Lab SolutionsA 10.5 mL concentrate for determination of Sulfide. Formulated in the NELAC range of 2.0 - 10 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)
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NPW - Complex Nutrients, 21mL
NSI Lab SolutionsA 21 mL concentrate to be analyzed for Complex Nutrients. Each ampule produces 2 liters of sample. The sample includes: (Supplied in duplicate)
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NPW - Volatiles, Methods 601/602, 8010/8020, 624, 8240, and 8260, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Methanol for use with Methods 601/602, 8010/8020, 624, 8240, and 8260. (Supplied in duplicate)
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Nitroaromatics, contains 80% of analytes within range, 10g
NSI Lab SolutionsA 10 gram sample supplied ready to use. Supplied in duplicate.
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A 1.5 mL concentrate in Acetone for use with Methods 608/8080/8081. Formulated in the NELAC range of 3.00 - 25.0 ug/L. (Supplied in duplicate)
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NPW - Low Level PAHs, Methods 610 or 8310, 1.5mL
NSI Lab SolutionsA 1.5 mL concentrate in Acetonitrile for determination of PAHs by Methods 610 and 8310. (Supplied in duplicate)