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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 (1,041)
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1,366 – 1,380 of 1,750 results
1,366

Hach Company Acidity Reagent Set, Digital Titrator

For determination of acidity by Digital Titrator titration, with Methyl Orange (using bromphenol blue indicator) and Phenopthalein endpoints. Hach Methods 8201 (Methyl Orange) and 8202 (Phenolpthalein). Ranges: 10-160 and 1000-4000 mg/L as CaCO3. Reagent Set includes: Bromphenol Blue Powder Pillows, Phenolphthalein Powder Pillows and two Sodium Hydroxide Cartridges (0.1600 N and 1.600N). Approximately 40 - 100 tests

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1,367

Absolute Standards RESIDUE-WP NON-FILTERABLE

NC3302641 RESIDUE-WP NON-FILTERABLE

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1,368

eMolecules​ Ambeed / Ethyl 3-oxo-3-(pyridin-2-yl)propanoate / 250mg / 552734185 / A464737 / / 26510-52-1 / MFCD00094022 / 193.202 / C10H11NO3

Ambeed / Ethyl 3-oxo-3-(pyridin-2-yl)propanoate / 250mg / 552734185 / A464737 / / 26510-52-1 / MFCD00094022 / 193.202 / C10H11NO3

ENCOMPASS_PREFERRED
1,369

eMolecules​ Ambeed / 1-Benzyl 3-ethyl 4-oxopyrrolidine-13-dicarboxylate / 250mg / 525150220 / A245051 / / 51814-19-8 / MFCD09878816 / 291.303 / C15H17NO5

Ambeed / 1-Benzyl 3-ethyl 4-oxopyrrolidine-13-dicarboxylate / 250mg / 525150220 / A245051 / / 51814-19-8 / MFCD09878816 / 291.303 / C15H17NO5

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1,370

Aqua Solutions Total Organic Carbon Std. 20.0 ppm, Certified (1L)

Total Organic Carbon Std. 20.0 ppm, Certified (1L)

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1,371

eMolecules​ 169770-25-6 | Methyl 1-Methyl-4-nitroimidazole-2-carboxylate | Ambeed | MFCD08275078 | 185.139 | C6H7N3O4 | 98.000 | COC(=O)c1nc(cn1C)[N+]([O-])=O | 100mg | 552582836

Methyl 1-Methyl-4-nitroimidazole-2-carboxylate | Ambeed | 169770-25-6 | MFCD08275078 | 185.139 | C6H7N3O4 | 98.000 | COC(=O)c1nc(cn1C)[N+]([O-])=O | 100mg | 552582836

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1,372

Beckman Coulter aa TOC USP Water - PAT700 - 65

aa TOC USP Water - PAT700 - 65

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1,373

eMolecules​ 850568-19-3 | Ambeed | (4-((3-Ethoxy-3-oxopropyl)carbamoyl)phenyl)boronic acid | 1g | 592406984 | A295330 | MFCD04115673 | 265.07 | C12H16BNO5

Ambeed | (4-((3-Ethoxy-3-oxopropyl)carbamoyl)phenyl)boronic acid | 1g | 592406984 | A295330 | 850568-19-3 | MFCD04115673 | 265.070 | C12H16BNO5

ENCOMPASS_PREFERRED
1,374

eMolecules​ Ambeed / Ethyl 1467-tetrahydropyrano[43-c]pyrazole-3-carboxylate / 100mg / 526409293 / A487135 / / 518990-21-1 / MFCD18250672 / 196.206 / C9H12N2O3

Ambeed / Ethyl 1467-tetrahydropyrano[43-c]pyrazole-3-carboxylate / 100mg / 526409293 / A487135 / / 518990-21-1 / MFCD18250672 / 196.206 / C9H12N2O3

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1,375

Aqua Solutions TOC STD 75PPM 500ML

NC3865254 TOC STD 75PPM 500ML

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1,376

eMolecules​ 83123-75-5 | Ambeed | Ethyl 2-((5-thioxo-45-dihydro-134-thiadiazol-2-yl)thio)acetate | 1g | 686015949 | A1520325 | MFCD00962150 | 236.32 | C6H8N2O2S3

Ambeed | Ethyl 2-((5-thioxo-45-dihydro-134-thiadiazol-2-yl)thio)acetate | 1g | 686015949 | A1520325 | 83123-75-5 | MFCD00962150 | 236.320 | C6H8N2O2S3

ENCOMPASS_PREFERRED
1,377

eMolecules​ 2096339-62-5 | Ambeed | (4-(Ethoxycarbonyl)-2-methylphenyl)boronic acid | 250mg | 728126347 | A338052 | MFCD21332941 | 208.02 | C10H13BO4

Ambeed | 4-(Dicyclohexylphosphino)-NN-dimethylaniline | 100mg | 571785650 | A819485 | 40438-64-0 | MFCD11044859 | 317.457 | C20H32NP

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1,378

eMolecules​ 54278-10-3 | Ambeed | Ethyl 24-Dimethyl-5-(ethoxycarbonyl)-3-pyrrolepropionate | 1g | 491684778 | A941928 | MFCD00010644 | 267.325 | C14H21NO4

Ambeed | Ethyl 24-Dimethyl-5-(ethoxycarbonyl)-3-pyrrolepropionate | 1g | 491684778 | A941928 | 54278-10-3 | MFCD00010644 | 267.325 | C14H21NO4

ENCOMPASS_PREFERRED
1,379

Aqua Solutions UV-T WORKING STANDARD 250ML

UV-T WORKING STANDARD 250ML ..

ENCOMPASS_PREFERRED
1,380

eMolecules​ 1379302-65-4 | Ethyl 6-ethynylpicolinate | Ambeed | MFCD20037583 | 175.187 | C10H9NO2 | 95.000 | CCOC(=O)c1cccc(n1)C#C | 100mg | 600839381

Ethyl 6-ethynylpicolinate | Ambeed | 1379302-65-4 | MFCD20037583 | 175.187 | C10H9NO2 | 95.000 | CCOC(=O)c1cccc(n1)C#C | 100mg | 600839381

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