You searched for: standards

Supplier: Restek

Mix contains: Acrylonitrile (107-13-1); Ethyl methacrylate (97-63-2); Malononitrile (109-77-3); Methacrylonitrile (126-98-7); Methyl methacrylate (80-62-6); Propionitrile (107-12-0); Styrene (100-42-5).

Supplier: SPEX CERTIPREP LLC

CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: Restek

Subsurface degradation of fuel oil spills can be estimated by examining the ratios of C17/pristane and C18/phytane. To assist in identifying these four compounds from the complex fuel oil analysis, Restek offer a product that contains these compounds for retention time determination.

Supplier: USP

(11,000 USP Endotoxin Units) (COLD SHIPMENT REQUIRED)

Supplier: USP

(30 mg/ampule; 5 ampules) (Vitamin D2)

Supplier: SPEX CERTIPREP LLC

Volatiles, CLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.

Supplier: USP

(250 mg) (Vitamin E Acetate)

Supplier: LAB SCIENTIFIC BIOKEMIX, INC. MS

Used as a standard for all blotting.

Supplier: SPEX CERTIPREP LLC

Kerosene Blank, LDPE bottle

Supplier: Restek

Appendix IX Mix #2 (32 components), Restek

Supplier: Restek

8040 Surrogate mix contains 2-fluorophenol, 2,4,6-tribromophenol.

Supplier: Restek

Contains two components, those are n-hexadecane and stearic acid.

Supplier: Antyila Scientific

Solutions to maximize meter accuracy.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: Luster Leaf

Perform qualitative soil tests without the use of chemical reagents and test tubes.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: SPEX CERTIPREP LLC

Meet or exceed performance criteria with QC samples.

Supplier: Electron Microscopy Sciences

Reflected light calibration slide with 0.1" length scale subdivided into 0.001" divisions.

Supplier: USP

(200 mg)

Supplier: Restek

Contains: Aniline (62-53-3); Benzidine (92-87-5); 4-Chloroaniline (106-47-8); 3,3'-Dichlorobenzidine (91-94-1); Diphenylamine (122-39-4)*; 2-Nitroaniline (88-74-4); 3-Nitroaniline (99-09-2); 4-Nitroaniline (100-01-6); N-Nitrosodimethylamine (62-75-9); N-Nitrosodi-n-propylamine (621-64-7); Pyridine (110-86-1)

Supplier: Electron Microscopy Sciences

Spray droplet sizing reticle for size and distribution assessments of aersol droplets. Used in conjunction with a 40x Microscope for direct measurements of droplets from 50 to 400 μm diameter.

Supplier: FIREFLYSCI, INC.

Kit consists of three filters and a blank for validating photometric accuracy and linearity in the range of 200 to 3000 nm.

Supplier: SPEX CERTIPREP LLC

Semivolatiles

US EPA Method 625 is an analytical method for the monitoring of acid and base neutral extractable fractions in municipal and industrial wastewater by GC/MS.

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

Supplier: FIREFLYSCI, INC.

Firefly's upgraded and improved version of the NIST-2031 UV/VIS photometric accuracy kit.

Supplier: Hach

For accuracy checks in detergents (surfactants) determinations.