You searched for: standards

Supplier: SPEX CERTIPREP LLC

US EPA method 8270 is a general analytical method for the monitoring of semivolatiles in environmental and waste samples by GC/MS.

Supplier: SPEX CERTIPREP LLC

US EPA method 624 is a general analytical method for the monitoring of VOCs in municipal and industrial wastewater by GC/MS.

Supplier: Cayman Chemical Company

An active metabolite of several benzodiazepines that inhibits L-type Ca_v channels (IC₅₀s = 55 and 37 µM for Ca_v1.2 and 1.3, respectively) by positively modulating GABA_A receptors

Supplier: Restek

Grob test mix includes nC10-fatty acid methyl esters (FAME), nC11-FAME, nC12-FAME, 2,3-butanediol, dicyclohexylamine, 2,6-dimethylaniline, 2,6-dimethylphenol, 2-ethylhexanoic acid , nonanal, 1-octanol, undecane (C11) and decane (C10).

Supplier: Restek

Contains: Bis(2-ethylhexyl) phthalate (117-81-7), 10 mg/mL; Corn oil (8001-30-7), 250 mg/mL; Methoxychlor (72-43-5), 2.0 mg/mL; Perylene (198-55-0), 0.2 mg/mL; Sulfur (7704-34-9), 0.8 mg/mL

Supplier: LGC Standards

Aluminum, Al/Si, Ø40x15mm, LGC Industrial

Supplier: LGC Standards

Solder, Lead-Free, Ø40x15mm, LGC Industrial

Supplier: LGC Standards

Solder, Lead-Free, Ø40x15mm, LGC Industrial

Supplier: LGC Standards

Alloy Steel, High Manganese, Ø38x15mm, LGC Industrial

Supplier: LGC Standards

Aluminum, Al/Si/Cu, Ø40x15mm, LGC Industrial

Supplier: LGC Standards

Copper, Brass Traces, Ø40x15mm, LGC Industrial

Supplier: LGC Standards

Copper, Leaded Brass, CZ114, LGC Industrial

Supplier: LGC Standards

Nickel, Ni/Mo/Cr, Alloy C276, N10276, LGC Industrial

Supplier: Restek

Contains: (C9) n-Nonane (111-84-2); (C10) n-Decane (124-18-5); (C12) n-Dodecane (112-40-3); (C14) n-Tetradecane (629-59-4); (C16) n-Hexadecane (544-76-3); (C18) n-Octadecane (593-45-3); (C20) n-Eicosane (112-95-8); (C22) n-Docosane (629-97-0); (C24) n-Tetracosane (646-31-1); (C26) n-Hexacosane (630-01-3); (C28) n-Octacosane (630-02-4); (C30) n-Triacontane (638-68-6); (C32) n-Dotriacontane (544-85-4); (C34) n-Tetratriacontane (14167-59-0); (C36) n-Hexatriacontane (630-06-8)

Supplier: LaMotte

Potassium chloride solutions can be used to standardize conductivity meters

Supplier: Hach

This equivalent standard is prepared with stabilized sodium thiosulfate, since sulphite is not a stable in solution.

Supplier: Restek

Contains: Chain, Compound (CAS#), % by Weight; C16:00 Methyl palmitate (112-39-0), 3%; C16:01 Methyl palmitoleate (1120-25-8), 1%; C18:00 Methyl stearate (112-61-8), 2%; C18:01 Methyl oleate (112-62-9), 20%; C18:02 Methyl linoleate (112-63-0), 15%; C18:03 Methyl linolenate (301-00-8), 10%; C20:00 Methyl arachidate (1120-28-1), 1%; C20:01 Methyl eicosenoate (20839-34-3), 10%; C20:02 Methyl eicosadienoate (2463-02-7), 2%; C22:00 Methyl behenate (929-77-1), 1%; C22:01 Methyl erucate (1120-34-9), 30%; C22:02 Methyl docosadienoate (61012-47-3), 2%; C24:00:00 Methyl lignocerate (2442-49-1), 1%; C24:01:00 Methyl nervonate (2733-88-2), 2%

Supplier: Hach

Turbidity Standard, Stablcal® Turbidity Standards Calibration Kit, 0.1 NTU, 20 NTU, 200 NTU, 1000 NTU, 4000 NTU, Type: Formazine

Supplier: HACH COMPANY MS

Standard solution for accuracy checks in alkalinity determinations.

Supplier: Restek

This MA fractionation check mix ideal for underground storage tank monitoring.

Supplier: Restek

Contains: Benzyl alcohol (100-51-6); 4-Chloroaniline (106-47-8); 2-Nitroaniline (88-74-4); 3-Nitroaniline (99-09-2); 4-Nitroaniline (100-01-6).

Supplier: Restek

Solvent packaged in purge-and-trap-grade methanol.

Supplier: Restek

This TNRCC 1005 retention time marker mix used during initial sample screening to determine retention time windows for each petroleum product.

Supplier: Cayman Chemical Company

An internal standard for the quantification of AB-PINACA N-pentanoic acid metabolite by GC- or LC-MS

Supplier: TCI America

Reference Material of Diluting Gasoline, Certified by The Japan Petroleum Institute, TCI America

Supplier: TLC Standards

Pharmaceutical Standards, Indomethacin (Indometacin) EP Impurity A (Indomethacin USP Related Compound B, Acemetacin EP Impurity A, Bezafibrate EP Impurity B, Clopamide EP Impurity B)

Supplier: SPEX CERTIPREP LLC

USP Standard.

Supplier: SPEX CERTIPREP LLC

USP Standard.

Supplier: Ultra Scientific

Multi component mixture.

Supplier: Hach

Stablcal® calibration standards kit, for 2100 series portable turbidimeters. USEPA accepted for calibration purposes. Stablcal® stabilized formazin turbidity standards are true formazin dilutions developed for use in any turbidimeter.