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Environmental Testing Standards

Reference and calibration standards for environmental testing protocols; includes water, wastewater, EPA, TOC, DOD and other laboratory and environmental chemical standards.
EPA Methods Standards (1,082)
TOC Standards (337)
Contract Laboratory Program Standards (140)
Wastewater Standards (100)
Drinking Water Standards (95)
Carbon Oxygen Demand Standards (74)
Environmental Chemical Standards (61)

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Search Within Results
Keyword Search:
856 – 870 of 1,787 results
856

HAZTECH SYSTEMS INC CLOR-N-OIL
SDP

NC2335211 CLOR-N-OIL

ENCOMPASS
857

Aqua Solutions Total Organic Carbon 2500 ppm Total Nitrogen 200 ppm Soln (4L)

Total Organic Carbon 2500 ppm Total Nitrogen 200 ppm Soln (4L)

ENCOMPASS_PREFERRED
858

ABSOLUTE STANDARDS OIL-GREASE STANDARD 100 ML

NC1445942 OIL-GREASE STANDARD 100 ML

ENCOMPASS
859

Crescent Chemical Co Inc MCPA 250 MG
SDP

MCPA Herbicide (WS) CAS 94-74-6 Molecular Weight - 200.619 Storage - RT Catalog Num - DRE-C14760000 pesticide

ENCOMPASS_PREFERRED
860

Aqua Solutions TOC STANDARD 160PPM 1L

NC3856733 TOC STANDARD 160PPM 1L

ENCOMPASS_PREFERRED
861

Crescent Chemical Co Inc Paraquat Dichloride, 1910-42-5, MFCD00011986, 100mg
SDP

Molecular Formula C12H14N2.2Cl, Molecular Weight 257.163, Herbicide (WS)

ENCOMPASS_PREFERRED
862

Medchemexpress LLC WNT3A SURROGATE HUM 50UG
SDP

5000184668 WNT3A SURROGATE HUM 50UG

ENCOMPASS_PREFERRED
863

Medchemexpress LLC Wnt3a Surrogate Hum 100ug
SDP

Recombinant human Wnt3a surrogate Fc-fusion protein expressed in HEK293 cells, supplied as a filtered, buffered solution for research use in Wnt signaling and related cell biology assays. Supplied in a 100 μg format and intended for applications requiring high-purity, low-endotoxin protein.

  • Human Fc fusion expressed in HEK293 cells.
  • Available as a 100 μg vial for assay use.
  • Purity greater than 95% by reducing SDS-PAGE.
  • Endotoxin below 0.01 EU/μg (LAL test).
  • Formulated in 25 mM Tris-HCl, 500 mM NaCl, pH 8.2, 0.2 μm filtered.
  • Predicted molecular mass 58.5 kDa; apparent 66-73 kDa on SDS-PAGE.
  • Store at -80°C for long-term storage; avoid repeated freeze-thaw cycles.

ENCOMPASS_PREFERRED
864

eMolecules​ Medchem Express / Moexipril (hydrochloride) / 100mg / 446272613 / HY-B0378A / / 82586-52-5 / MFCD00940481 / 535.030 / C27H35ClN2O7

Medchem Express / Moexipril (hydrochloride) / 100mg / 446272613 / HY-B0378A / / 82586-52-5 / MFCD00940481 / 535.030 / C27H35ClN2O7

ENCOMPASS_PREFERRED
865

Crescent Chemical Co Inc TRITICONAZOLE 100 MG
SDP

Triticonazole Fungicide (WS) CAS 131983-72-7 Molecular Weight - 317.8132 Storage - RT Catalog Num - DRE-C17894600 pesticide

ENCOMPASS_PREFERRED
866

Crescent Chemical Co Inc EPA 8140 ORGANOPHOS 20COMP 1ML
SDP

EPA Method 8140, Organophosphorous Pesticides, 20 Components Azinphos methyl, Bolstar, Chloropyrifos, Coumaphos, Demeton, Diazinon, Dichlorvos, Disulfoton, Ethoprop, Fensulfothion, Fenthion, Merphos, Methyl parathion, Mevinphos, Naled, Phorate, Ronne

ENCOMPASS_PREFERRED
867

VEOLIA WTS ANALYTICAL INSTRUMENTS INC

NC3991044 2 PPM KHP SET

ENCOMPASS
868

Medchemexpress LLC Wnt3a Surrogate Hum 50ug
SDP

Wnt3a Surrogate Protein, Human (HEK293, C-hFc) is a recombinant, Fc-tagged surrogate of human Wnt3a produced in HEK293 cells. Supplied lyophilized, it serves as a water-soluble, Frizzled-specific Wnt agonist for in vitro research to activate Wnt signaling pathways.

  • Expressed in HEK293 cells with a C-terminal human Fc tag.
  • Supplied lyophilized from PBS (pH 7.4) with 8% trehalose.
  • Purity greater than 95% by Tris-Bis PAGE.
  • Predicted molecular mass 58.5 kDa; appears ~60-75 kDa on SDS-PAGE.
  • Recommended reconstitution concentration of at least 100 μg/mL in ddH2O.
  • Store at -20°C; aliquot and freeze at -20°C or -80°C for extended storage.
  • For research use only.

ENCOMPASS_PREFERRED
869

ERA WATERS CORP DEMAND: BOD,CBOD,COD,TOC
SDP

Demand PT One 15 mL screw-cap vial yields up to 2 liters after dilution.

ENCOMPASS
870

eMolecules​ AstaTech / 1-(((4-NITROPHENOXY)CARBONYL)OXY)ETHYL ACETATE / 0.1g / 704975652 / D74376 / 98.000 / 101623-68-1 / MFCD27940873 / 269.209 / C11H11NO7

AstaTech / 1-(((4-NITROPHENOXY)CARBONYL)OXY)ETHYL ACETATE / 0.1g / 704975652 / D74376 / 98.000 / 101623-68-1 / MFCD27940873 / 269.209 / C11H11NO7

ENCOMPASS_PREFERRED