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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 (99)
Drinking Water Standards (95)
Carbon Oxygen Demand Standards (74)
Environmental Chemical Standards (61)

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Keyword Search:
841 – 855 of 1,786 results
841

Aqua Solutions Total Organic Carbon Std. 250 ppm Certified (4L)

Total Organic Carbon Std. 250 ppm Certified (4L)

ENCOMPASS_PREFERRED
842

Aqua Solutions Total Organic Carbon Std. (1L)

Total Organic Carbon Std. (1L)

ENCOMPASS
843

ERA WATERS CORP CERTIFIED TOC STANDARDS
SDP

One 15 mL screw-cap vial yields up to 1 liter after dilution.

ENCOMPASS
844

Beckman Coulter PAT700 TOC WCONDUIT FITTI

PAT700 TOC WCONDUIT FITTI

ENCOMPASS
845

Hach Company BioTector B7000 Reagent

BioTector B7000 Reagent 1.8 N Sulfuric Acid containing 80 mg/L Mn

ENCOMPASS
846

Medchemexpress LLC Mmc (TMZ)-TOC | >98.0% | 1725.82 | C74H99F3N20O21S2 | 10 MG
SDP

MMC(TMZ)-TOC TFA is a temozolomide delivery conjugate designed to selectively bind somatostatin receptor subtype-2 (SSTR2) and deliver TMZ to SSTR2-positive tumor cells for targeted cancer research applications.

  • Targets somatostatin receptor subtype-2 (SSTR2) for receptor-mediated delivery.
  • Conjugated with temozolomide to enable targeted chemotherapy delivery.
  • Suitable for in vitro and in vivo cancer research studies.
  • Provided as a trifluoroacetic acid (TFA) salt for improved handling and stability.
  • Reported purity greater than 98%, suitable for research use.
  • Available in small research quantities for preclinical experiments.

ENCOMPASS_PREFERRED
847

LaMarKa Chemical Company TOC Standard 20ppm (KHP) Traceable to NIST, 250ml
SDP

TOC Standard 20ppm (KHP) Traceable to NIST, 250ml Plastic Bottle

ENCOMPASS_PREFERRED
848

LaMarKa Chemical Company TOC Standard 150 ppm (with Propylene Glycol), 1l
SDP

TOC Standard 150 ppm (with Propylene Glycol), 1l Plastic Bottle

ENCOMPASS_PREFERRED
849

WELCH MATERIALS INC DoprahTM 20mL 27.5x57mm Amber Glass EPA/TOC Vial 24-400 White Open Top PP Screw Cap with 22mm Natural PTFE/White Silicone 3.0mm thick Septa (EPA Quality) and Dust Cover. 100pcs/pk.

20mL 27.5x57mm Amber Glass EPA/TOC Vial 24-400 White Open Top PP Screw Cap with 22mm Natural PTFE/White Silicone 3.0mm thick Septa (EPA Quality) and Dust Cover. 100pcs/pk.

ENCOMPASS_PREFERRED
850

VEOLIA WTS TOC ACCURACY/PREC / VER SET

M500/500/860 Acc/Prec Ver Set TOC OnlyAccuracy/Precision Verification set (TOC only) forSievers M500 and 500 RL TOC Analyzers with Standard iOS and Sievers TOC860 Analyzer. Includes one Verification Blank and one 500 µg C/L TOCVerification Standard (as NIST Sucrose). Conductivity standards are notincluded in this set.1 EA

ENCOMPASS
851

ABSOLUTE STANDARDS WS TURBIDITY 20ML

NC1436135 WS TURBIDITY 20ML

ENCOMPASS
852

ERA WATERS CORP WS 312 NITRITES
SDP

NC2076094 WS 312 NITRITES

ENCOMPASS
853

ERA WATERS CORP PFAS IN DRINKING WATER WS PT
SDP

NC2852175 PFAS IN DRINKING WATER WS PT

ENCOMPASS
854

ASI STANDARDS N AND S ISOOCTANE STD MG/L
SDP

NC2233982 N AND S ISOOCTANE STD MG/L

ENCOMPASS_PREFERRED
855

AccuStandard, Inc 4-BROMOFLUORO BENZENE 1ML
SDP

p-Bromofluorobenzene. 1 mL. 25 mg/mL in MeOH. 460-00-4

ENCOMPASS