You searched for: 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.
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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SpecCheck Gel Secondary Standard Set, Fluoride, Hach
Supplier: Hach
For Fluoride SPADNS method, 0-2.0 mg/L as F-.
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SpecCheck Secondary Gel Standards Set for Monochloramine and Free Ammonia, Hach
Supplier: Hach
This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
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Sodium Chloride Standard Solution, 491 mg/L NaCl (1000 µS/cm), 500 ml, Hach
Supplier: Hach
For standardization and accuracy checks in conductivity measurements.
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Nitrogen-Ammonia Standard Solutions, Hach
Supplier: Hach
Ion Selective Electrode (ISE) standard solutions for laboratory analyses
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Total Organic Carbon (TOC), Standard Solution, Specpure®, 1000µg/ml, Thermo Scientific
Supplier: Thermo Scientific Chemicals
Standard for TOC based on potassium hydrogen phthalate (KHC₈H₄O₄).
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Chlorine Standard Solution, Hach
Supplier: Hach
For accuracy checks in chlorine determinations
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Silica Standard Solution, 50 mg/ml as SiO₂ (NIST), 200 ml, Hach
Supplier: Hach
For accuracy checks in silica determinations.
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Silica Standard Solution, 10 mg/ml as SiO₂ (NIST), 500 ml, Hach
Supplier: Hach
For accuracy checks in silica determinations.
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SpecCheck Secondary Gel Standards Set, DPD Chlorine - MR, Hach
Supplier: Hach
Chlorine SpecCheck Secondary Standards Kit for Mid Range DPD Chlorine Methods. Contains a blank vial and 3 colored vials at ~0.2, ~1.5, and ~3.5 mg/L Cl2. SpecCheck Standards are computer-formulated and have a two-year shelf life from date of manufacture. For use only with Mid Range DPD chlorine methods. Not for use with Low Range methods (including LR/HR Pocket Colorimeter II).
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Ammonium Hydroxide Solution, 10%, 100 ml MDB, Hach
Supplier: Hach
Used to adjust pH in determination of metals.
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Nickel Standard Solution, 1000 mg/L as Ni (NIST), 100 ml, Hach
Supplier: Hach
For accuracy checks in nickel determinations
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Phosphate Standard Solution, 1 mg/L as PO₄ (NIST), 500 ml, Hach
Supplier: Hach
For accuracy checks in phosphate (phosphorus) determinations.
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Detergent Standard Solution, 60 mg/L as LAS, 10 ml, Hach
Supplier: Hach
For accuracy checks in detergents (surfactants) determinations.
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Formula 2533™ Nitrification Inhibitor for BOD, TCMP, 35 g, Hach
Supplier: Hach
TCMP - 2-chloro-6 (trichloromethyl) pyridine (N-Serve), coated on an inert substrate.
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SpecCheck Secondary Gel Standards Set, DPD Chlorine - HR, Hach
Supplier: Hach
DPD Chlorine, High Range, 0-6.5 mg/L as CI₂.
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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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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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NSI Lab Solutions Turbidity Drinking Water QC Concentrate, Certified Reference Material
Supplier: SPEX CERTIPREP LLC
NSI Lab Solutions Turbidity Drinking Water QC Concentrate, Certified Reference Material
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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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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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EPA method 8040 Phenol Standard No. 1, Restek
Supplier: Restek
Standard is packaged in isopropanol at a concentration of 2000 µg/mL in a 1 mL ampoule.
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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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524.2 Surrogate Standard (2 Components), Restek
Supplier: Restek
It separate mixes for surrogates and internal standard.
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Pesticide Surrogate Mix (2 Components), Restek
Supplier: Restek
Contains two components, those are decachlorobiphenyl and 2,4,5,6-tetrachloro-m-xylene.
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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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Supplier: VWR International
Supplier: VWR International
Supplier: VWR International
Supplier: VWR International
Supplier: VWR International
Supplier: VWR International
Supplier: BDH
Supplier: Heathrow Scientific
Supplier: VWR International
Supplier: Kimberly-Clark
Supplier: VWR International
Supplier: VWR International