Vous avez recherché : Environmental Analysis Standards
The environmental analysis standards confirm testing instruments remain consistent for pollutant level monitoring. Single or multi-element solutions can be used to compare and check composition determinations of unknown samples. Accurately assessing threats in the atmosphere, water sources, or soil, personnel can modify and improve conditions to reestablish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.
EDTA Standard Solution, 0.0200 N, 4 L, Hach
Supplier: Hach
For hardness determination by buret titration
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COD Standard Solutions, NIST, Hach
Supplier: Hach
For accuracy checks in Chemical Oxygen Demand (COD) determinations.
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Sodium Thiosulfate Standard Solution, Stabilized, 0.0109 N, 100 ml, Hach
Supplier: Hach
Stabilized sodium thiosulfate titrant for dissolved oxygen determination.
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Chromium Trivalent Standard Solution, 50 mg/L as Cr3+ (NIST), 100 mL, Hach
Supplier: Hach
For accuracy checks in total chromium determinations.
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Alternate Water Standard II (Metals), Ricca Chemical Company
Supplier: Ricca Chemical
Alternate Water Standard II (Metals), Ricca Chemical Company
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Sodium Thiosulfate Standard Solution, 0.1 N, Hach
Supplier: Hach
For sample dechlorination prior to analysis.
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COD Standard, 1 ml = 0.3 mg Chemical Oxygen Demand (300 ppm COD), Ricca Chemical Company
Supplier: Ricca Chemical
1 mL = 0.3 mg Chemical Oxygen Demand (300 ppm COD). Poly bottle. 1L
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Benzotriazole Standard Solution, 500 mg/L, 100 ml, Hach
Supplier: Hach
For accuracy checks in benzotriazole determinations.
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Silica Standard Solution, 1000 mg/ml as SiO₂ (NIST), 500 ml, Hach
Supplier: Hach
For accuracy checks in silica determinations.
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EDTA Standard Solution, 0.035 N, 100 ml, Hach
Supplier: Hach
For hardness determination by drop-count titration.
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Chlorine Standard Solution, 50 to 75 mg/L as Cl₂, 10 ml Voluette Ampules (NIST), Hach
Supplier: Hach
For accuracy checks in chlorine determinations.
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Iron Standard Solution, 25 mg/L as Fe (NIST), 10 ml, Hach
Supplier: Hach
For accuracy checks in iron determinations.
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Silver Nitrate Standard Solution, 0.141 N, 500 ml, Hach
Supplier: Hach
For chloride determination by argentometric buret titration.
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Ground & Waste Water Pollution Standard Solution 2, Specpure®
Supplier: Thermo Scientific Chemicals
Specpure*,UN3264,Liquid,WARNING: CORROSIVE, irritates skin and eyes,100ml,500ml,CORROSIVE,
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Sodium Thiosulfate Standard Solution, Stabilized, 0.0246 N, 100 ml, Hach
Supplier: Hach
Stabilized sodium thiosulfate titrant for chlorine determination by iodometric titration.
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Potassium Hydroxide Standard Solution, 8.00 N, 500 ml, Hach
Supplier: Hach
For pH adjustment in calcium determination by EDTA titration
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Orion™ ISE Calibration Standards, Thermo Scientific
Supplier: Thermo Fisher Scientific
Take reproducible ISE measurements with Orion™ ISE Calibration Standards
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ISE Calibration Standards
Supplier: Mettler Toledo
Precise ion calibration - with this ready to use ion calibration standard no weighing and dilutiong is required anymore.
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Calibration Standard, Bromide, ERA
Supplier: ERA
Calibration Standard, Bromide, ERA
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Calibration Standard, Ammonia as NH₃, ERA
Supplier: ERA
Calibration Standard, Ammonia as NH₃, ERA
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Calibration Standard, Complex Cyanide, ERA
Supplier: ERA
Calibration Standard, Complex Cyanide, ERA
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Environmental standards, Semi-Volatiles (SV) Internal Standard Mix, Restek
Supplier: Restek
Standards are packaged in methylene chloride in a 1 mL ampoule.
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Cryoscope Standards, Advanced Instruments
Supplier: Advanced Instruments
Cryoscope standards are used to calibrate and/or check the performance of a cryoscope.
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Phthalates Polyethylene Standard in Medium Density Polyethylene, SPEX CertiPrep
Supplier: SPEX CERTIPREP LLC
Consumer safety standards, phthalates in polyethylene QC standards.
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Complex Nutrients Standard, NSI
Supplier: SPEX CERTIPREP LLC
Ready-to-use whole volume standard
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524.2 Surrogate Standard (2 Components), Restek
Supplier: Restek
It separate mixes for surrogates and internal standard.
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Semi-Volatile Surrogate Standards for EPA methods, Restek
Supplier: Restek
Standards are packaged in methylene chloride at a concentration of 2000 µg/mL in a 1 mL ampoule.
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Calibration Standard, Iodide, ERA
Supplier: ERA
These standards can be used for primary calibration or to prepare second source calibration check standards
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24 Organic Volatile Impurities, Class 3 Solvents, USP 467 Pharmaceutical Residual Solvent Standards, SPEX CertiPrep
Supplier: SPEX CERTIPREP LLC
Consumer safety standards. Pharmaceutical residual solvent standards.
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Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: BDH
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: BUSHNELL CORPORATION
Fournisseur: VWR International
Fournisseur: VWR International
Fournisseur: BDH
Fournisseur: BD