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13754 results for Standards

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Standards

Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the reestablished conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.

Acetate mix (5 components)

Acetate mix (5 components)

Supplier: Restek

This contains: n-butyl acetate; ethyl acetate; isopropyl acetate; n-propyl acetate; vinyl acetate.

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Calibration mix, 8260 MegaMix (76 components)

Calibration mix, 8260 MegaMix (76 components)

Supplier: Restek

This calibration mix contains 76 compounds in one convenient ampoule for the analysis of VOCs in solid waste.

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8260B acetate mix

Supplier: Restek

Certified reference materials (CRMs) manufactured and QC-tested in ISO-accredited labs satisfy your ISO requirements.

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Diesel fuel #2 (ASTM Class 5 Accelerant)

Supplier: Restek

These solutions are prepared from a single-source (one-refinery) product.

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Certified aromatics in gasoline, 16 components

Supplier: Restek

Confirms unleaded gasoline TPH, BTEX and aromatics in single analysis.

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TX TPH calibration mix (2 components)

TX TPH calibration mix (2 components)

Supplier: Restek

The mix consists of diesel fuel #2 composite, unleaded gasoline composite.

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Revised GPC calibration mix, semi volatile compounds

Revised GPC calibration mix, semi volatile compounds

Supplier: Restek

Revised GPC calibration mix is a qualitative mixture and it is useful for determining GPC dump/collect times. The compounds are dissolved in methylene chloride at various concentrations.

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TNRCC 1006 retention time marker mix (9 components)

TNRCC 1006 retention time marker mix (9 components)

Supplier: Restek

This TNRCC 1006 retention time marker mix contains: (C6) n-Hexane, (C7) n-Heptane, (C8) n-Octane, (C10) n-Decane, (C12) n-Dodecane, (C16) n-Hexadecane, (C21) n-Heneicosane, (C28) n-Octacosane, (C35) n-Pentatriacontane.

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Calibration mix D2887 (17 components)

Calibration mix D2887 (17 components)

Supplier: Restek

D2887 calibration mix contains compound, conc.; (C6) n-hexane (110-54-3), 6% w/w; (C7) n-heptane (142-82-5), 6% w/w; (C8) n-octane (111-65-9), 8% w/w; (C9) n-nonane (111-84-2), 8% w/w; (C10) n-decane (124-18-5), 12% w/w; (C11) n-undecane (1120-21-4), 12% w/w; (C12) n-dodecane (112-40-3), 12% w/w; (C14) n-tetradecane (629-59-4), 12% w/w; (C16) n-hexadecane (544-76-3), 10% w/w; (C18) n-octadecane (593-45-3), 5% w/w; (C20) n-eicosane (112-95-8), 2% w/w; (c24) n-tetracosane (646-31-1), 2% w/w; (c28) n-octacosane (630-02-4), 1% w/w; (C32) n-dotriacontane (544-85-4), 1% w/w; (C36) n-hexatriacontane (630-06-8), 1% w/w; (C40) n-tetracontane (4181-95-7), 1% w/w; (C44) n-tetratetracontane (7098-22-8), 1% w/w.

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8270 calibration mix #3 (23 components)

8270 calibration mix #3 (23 components)

Supplier: Restek

Contains: Aramite (140-57-8); Bis(2-chloroethyl)ether (111-44-4); Bis(2-chloroethoxy)methane (111-91-1); 4-Bromophenyl phenyl ether (101-55-3); Chlorobenzilate (510-15-6); 2-Chloronaphthalene (91-58-7); 4-Chlorophenyl phenyl ether (7005-72-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,3-Dinitrobenzene (99-65-0); Hexachlorobenzene (118-74-1); Hexachlorobutadiene (87-68-3); Hexachlorocyclopentadiene (77-47-4); Hexachloroethane (67-72-1); Hexachloropropene (1888-71-7); Isodrin (465-73-6); Kepone (143-50-0); 2,2'-Oxybis(1-chloropropane) (108-60-1); Pentachlorobenzene (608-93-5); Pentachloronitrobenzene (quintozene) (82-68-8); 1,2,4,5-Tetrachlorobenzene (95-94-3); 1,2,4-Trichlorobenzene (120-82-1)

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Calibration reference materials, alloys

Supplier: PerkinElmer

Perkalloy, three 50,8 mm pieces (596 °C)

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Holmium Oxide Solution for Wavelength Control

Supplier: CPACHEM

Holmium oxide solution for wavelength control acc. 2.2.25 of Ph Eur

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Potassium Dichromate Solution for Absorbance Control

Supplier: CPACHEM

2×10 ml Potassium dichromate solution for absorbance control 235 - 350 nm and 6×10 ml

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Supelco® TraceCERT® Organic Reference Standard, PAH Calibration Mix

Supplier: Merck

Organic Standard, PAH Calibration mix

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