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50635 results for "standards"

You searched for: standards

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.

Alcohols Mix

Alcohols Mix

Supplier: SPEX CERTIPREP LLC

US EPA method 8015 is a general analytical method for the monitoring of certain non-halogenated VOCs and SVOCs by GC/FID.

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Betamethasone Sodium Phosphate, Reference Standard, USP

Supplier: USP

USP Reference Standards are specified for use in conducting official USP–NF tests and assays. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.

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Lactrol® 530 Reference Solution for Cryoscope, Advanced Instruments

Supplier: Advanced Instruments

This reference solution is used to check for instrument drift before each shift, to monitor operators’ techniques, to bracket unknown sample runs, and to verify and diagnose erratic results.

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40,000 ppm Phosphate Matrix Modifier

40,000 ppm Phosphate Matrix Modifier

Supplier: Inorganic Ventures

40,000 ppm Phosphate Matrix Modifier

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Magnesium Nitrate Matrix Modifier, 10,000 ppm

Magnesium Nitrate Matrix Modifier, 10,000 ppm

Supplier: Inorganic Ventures

Magnesium Nitrate Matrix Modifier, 10,000 ppm

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Copper Standard Solution

Supplier: Hach

Standard solution for accuracy checks in copper determinations.

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TCLP Base/Neutral/Acid Extractable Spike Solution

TCLP Base/Neutral/Acid Extractable Spike Solution

Supplier: SPEX CERTIPREP LLC

Semivolatiles US EPA method 1311-TCLP series methods - EPA methods 1311 and 1312 analytical methods for the monitoring of a wide range of compounds in various samples using the Toxicity Characteristic Leaching Procedure (TCLP).

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PAH MIX 2000PPM 1ML

PAH MIX 2000PPM 1ML

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 8100 is an analytical method for the monitoring of PNA hydrocarbons in aqueous and solid samples by GC/FID.

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Combined Color Reagent for Chloride Analysis by Discrete Analyzer, Inorganic Ventures

Combined Color Reagent for Chloride Analysis by Discrete Analyzer, Inorganic Ventures

Supplier: Inorganic Ventures

Combined Color Reagent for Chloride Analysis by Discrete Analyzer, Inorganic Ventures

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VOA Purgeable Halocarbon Mix #1 (23 Components), Restek

VOA Purgeable Halocarbon Mix #1 (23 Components), Restek

Supplier: Restek

Mix contains: Bromodichloromethane (75-27-4); Bromoform (75-25-2); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); 2-Chloroethyl vinyl ether (110-75-8); Chloroform (67-66-3); Dibromochloromethane (124-48-1); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Methylene chloride (dichloromethane) (75-09-2); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6).

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502.2 VOA Calibration Kit #3, Restek

502.2 VOA Calibration Kit #3, Restek

Supplier: Restek

Contains: 30439: 502.2 Calibration Mix #1 (gases); Bromomethane (methyl bromide) (74-83-9); Chloroethane (ethyl chloride) (75-00-3); Chloromethane (methyl chloride) (74-87-3); Dichlorodifluoromethane (CFC-12) (75-71-8); Trichlorofluoromethane (CFC-11) (75-69-4); Vinyl chloride (75-01-4);30432: 502.2 MegaMix Standard; Benzene (71-43-2); Bromobenzene (108-86-1); Bromochloromethane (74-97-5); Bromodichloromethane (75-27-4); Bromoform (75-25-2); n-Butylbenzene (104-51-8); sec-Butylbenzene (135-98-8); tert-Butylbenzene (98-06-6); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); Chloroform (67-66-3); 2-Chlorotoluene (95-49-8); 4-Chlorotoluene (106-43-4); Dibromochloromethane (124-48-1); 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8); 1,2-Dibromoethane (EDB) (106-93-4); Dibromomethane (74-95-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); cis-1,2-Dichloroethene (156-59-2); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); 1,3-Dichloropropane (142-28-9); 2,2-Dichloropropane (594-20-7); 1,1-Dichloropropene (563-58-6); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Ethylbenzene (100-41-4); Hexachloro-1,3-butadiene (hexachlorobutadiene) (87-68-3); Isopropylbenzene (cumene) (98-82-8); 4-Isopropyltoluene (p-cymene) (99-87-6); Methylene chloride (dichloromethane) (75-09-2); Naphthalene (91-20-3); n-Propylbenzene (103-65-1); Styrene (100-42-5); 1,1,1,2-Tetrachloroethane (630-20-6); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); Toluene (108-88-3); 1,2,3-Trichlorobenzene (87-61-6); 1,2,4-Trichlorobenzene (120-82-1); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6); 1,2,3-Trichloropropane (96-18-4); 1,2,4-Trimethylbenzene (95-63-6); 1,3,5-Trimethylbenzene (108-67-8); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3)

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Nickel Standard Solution

Nickel Standard Solution

Supplier: Hach

Standard solution for accuracy checks in nickel determinations.

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502.2 VOA Calibration Kit #2, Restek

502.2 VOA Calibration Kit #2, Restek

Supplier: Restek

Contains: 30042: 502.2 Calibration Mix #1 (gases); Bromomethane (methyl bromide) (74-83-9); Chloroethane (ethyl chloride) (75-00-3); Chloromethane (methyl chloride) (74-87-3); Dichlorodifluoromethane (CFC-12) (75-71-8); Trichlorofluoromethane (CFC-11) (75-69-4); Vinyl chloride (75-01-4);30431: 502.2 MegaMix Standard; Benzene (71-43-2); Bromobenzene (108-86-1); Bromochloromethane (74-97-5); Bromodichloromethane (75-27-4); Bromoform (75-25-2); n-Butylbenzene (104-51-8); sec-Butylbenzene (135-98-8); tert-Butylbenzene (98-06-6); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); Chloroform (67-66-3); 2-Chlorotoluene (95-49-8); 4-Chlorotoluene (106-43-4); Dibromochloromethane (124-48-1); 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8); 1,2-Dibromoethane (EDB) (106-93-4); Dibromomethane (74-95-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); cis-1,2-Dichloroethene (156-59-2); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); 1,3-Dichloropropane (142-28-9); 2,2-Dichloropropane (594-20-7); 1,1-Dichloropropene (563-58-6); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Ethylbenzene (100-41-4); Hexachloro-1,3-butadiene (hexachlorobutadiene) (87-68-3); Isopropylbenzene (cumene) (98-82-8); 4-Isopropyltoluene (p-cymene) (99-87-6); Methylene chloride (dichloromethane) (75-09-2); Naphthalene (91-20-3); n-Propylbenzene (103-65-1); Styrene (100-42-5); 1,1,1,2-Tetrachloroethane (630-20-6); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); Toluene (108-88-3); 1,2,3-Trichlorobenzene (87-61-6); 1,2,4-Trichlorobenzene (120-82-1); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6); 1,2,3-Trichloropropane (96-18-4); 1,2,4-Trimethylbenzene (95-63-6); 1,3,5-Trimethylbenzene (108-67-8); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3)

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4,4'-DDT, Restek

4,4'-DDT, Restek

Supplier: Restek

Contains: 4,4'-DDT (50-29-3)

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Organophosphorus Pesticide Mix, 8270/Appendix IX (9 components), Restek

Organophosphorus Pesticide Mix, 8270/Appendix IX (9 components), Restek

Supplier: Restek

This mix contains 9 components.

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Norbuprenorphine (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Zolpidem (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Thebaine (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Flubromazolam (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Etizolam (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Mirtazapine (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Flunitrazepam (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Clozapine (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Carfentanil-13C6 (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Heroin (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Methaqualone (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Hydromorphone (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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Cannabinol (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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5-fluoro PY-PINACA (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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EDDP (perchlorate) (CRM), Cayman Chemical

Supplier: Cayman Chemical Company

A Certified Reference Material

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