NSI Lab Solutions

Our solids CRMs are verified to work with the methods you use everyday. Easy to implement and use. There is no preparative step, simply shake the bottle well and measure an appropriate aliquot.

Designed for use with Legiolert or BCYE plate count methods. Sample supplied as a dehydrated pellet in the range of 20 - 2400 CFU as L. pneumophila. Supplied in duplicate so you can evaluate 2 analysts or 2 methods without having to purchase additiona

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Microbiological CRMs designed Petrifilm® methods.

A 2.2 mL concentrate for determination of Total Residual Chlorine. Formulated in the NELAC range of 0.5 - 3.0 mg/L. Each ampule produces 2 liters of sample. (Supplied in duplicate).

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

Unit Dose™ cultures are formulated to deliver less than 100 CFU per pellet. Directly inoculate media without dilution. Pellets dissolve instantly. Quantitatively validated and traceable cultures are Certified Reference Materials with downloadable Certi

A pure culture of E. faecalis, NCTC 775, packaged in an easy to use inoculating swab stick. Simple snap valve design releases hydration fluid with a press of the plastic stem valve. Culture pellet supplied in Microgel-Flash quick dissolve matrix, dis

1000 ppm TKN in reagent water. TKN source is high purity Glycine. Packaged in a 500mL HDPE bottle. A NIST Traceable reference Material.

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Single organism microbiological CRMs for E.faecalis formulated at 1000-1500 CFU.

Chlorine snips are the most convenient reference material for residual chlorine analysis. They require no pipets and no glassware other than the instrument cuvette to prepare.

1000ppm Nitrite as N in reagent water. Nitrite as N source is high purity sodium nitrite. Stores refrigerated. Packaged in 500mL HDPE bottle. A NSIT Traceable, ISO34 Certified Reference Material.

A whole volume multi-analyte standard for quality control analysis for 6 solids parameters. Each 100 mL aliquot contains: TS, TDS, TSS, VSS, FSS, and FDS.

A pure culture of E. coli, NCTC 12241, packaged in an easy to use inoculating swab stick. Simple snap valve design releases hydration fluid with a press of the plastic stem valve. Culture pellet supplied in Microgel-Flash quick dissolve matrix, diss

Pure bacterial culture in an easy to use swab stick. Simple snap valve design releases hydration fluid with a simple press of the plastic valve stem. Cultures are supplied in flash dissolve format, dissolving without agitation or incubation in less tha

Designed to reduce the number of standards you need to manage your lab, our Universal Wastewater Standard is certified for 13 conventional pollutants. In ready-to-use bottles.

A 21 mL concentrate for determination of TOC, COD, BOD, and C-BOD. Each ampule produces 2 liters of sample. (Supplied in duplicate)

Single organism microbiological CRMs for P.aeruginosa formulated at 1000-2000 CFU.

Microbiological CRMs designed Petrifilm® methods.