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.
ISE standards
Supplier: Hach
ISE standards are used to calibrate ion selective electrode measurement systems by coresponding the electrode output with the concentration of the analyte. Pairs of standards with concentrations that differ by a factor of ten are used for analysis.
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Standards, calibration for LCK cuvettes, Addista
Supplier: Hach
System for Analytical Quality Assurance (AQA), consisting of one combined standard/spiking solution and two round robin test solutions.
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Calibration gases
Supplier: Dräger
Calibration gas with nitrogen background in non refillable cylinder.
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Humidity standards
Supplier: ROTRONIC INSTRUMENTS
Although most relative humidity (RH) probes have excellent long-term stability, it is recommended that their calibration be checked regularly.
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Combustion calibration standard
Supplier: PerkinElmer
Combustion calibration statndard for sulphur analysis, cystine (26,69% S), solid 4 g
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Anionic Surfactant, a-Ten - Test Kit
Supplier: WTW
a-Ten 02552, anionic surfactants cell test - 25 determinations.
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Hydrazine, standard solution, Specpure®, N₂H₄ 100 µg/ml
Supplier: Thermo Fisher Scientific
Hydrazine standard, Specpure®, : N/A, Matrix: 1% CH₃COOH
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ISE standard solutions
Supplier: WTW
These standard solutions for calibration contain 10 g of the ion to be measured per 10 liters.
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Potassium Standard Solution
Supplier: WTW
Standard solution for accuracy checks in potassium determinations.
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Carbon dioxide standard solutions
Supplier: REAGECON
Standards for M965D carbon dioxide analyser, for soft drinks and brewery applications.
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EPA Method 8082A Surrogate Standard
Supplier: EHRENSTORFER
EPA method 8082A surrogate standard mixture 424, Native/Parent, 1000 µg/ml in isooctane, : N/A
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Total organic carbon (TOC) standards
Supplier: REAGECON
Total organic carbon (TOC) standard solution, 4 mg/l C as KHP, : N/A
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BNA Surrogates Mixture
Supplier: EHRENSTORFER
Stable isotope labelled product type, mixture format, dichloromethane solvent.
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OEKO-TEX PAH Mixture
Supplier: EHRENSTORFER
Dichloromethane solvent, mixture product format.
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EPA Method 552 Halogenated Acetic Mixture 1000 µg/ml in Methyl tert-butyl ether
Supplier: EHRENSTORFER
EPA method 552 halogenated acetic mixture 1000 µg/ml in methyl tert-butyl ether, : N/A
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EPA 8270 Internal Standard Mix 4000 µg/ml in Dichloromethane, Dr. Ehrenstorfer
Supplier: EHRENSTORFER
EPA 8270 internal standard mix 4000 µg/ml in dichloromethane, Dr. Ehrenstorfer, : N/A, Reference standard
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TOC Standard Solution
Supplier: CUSTOM MADE CHEMICALS LAB
TOC standard solution, 1000 mg/L, : N/A
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Standards for Lead paint films for childrens' products, NIST-2569
Supplier: LGC Standards PROMOCHEM
Lead paint films for children's products, : N/A
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Standards for water pollution QC check, mercury, VHG
Supplier: LGC Standards PROMOCHEM
This solution is intended for use as a quality control check for methods related to mercury.
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Total Nitrogen Standard (1000 mg/L) - for Photometric Applications
Supplier: ACTIVE MOTIF
Total nitrogen standard (1000 mg/L) - for photometric applications, : N/A
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Indoor dust - trace elements, NIST-2584 standard
Supplier: LGC Standards PROMOCHEM
NIST-2584, indoor dust - trace elements, : N/A
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Elemental analysis standards, river sediment
Supplier: LGC Standards PROMOCHEM
River sediment - extractable metals, : N/A
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Reference standards, gypsum
Supplier: LGC Standards PROMOCHEM
Certified reference materials (CRM) for gypsum and its constitutents.
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Standards for formaldehyde-2,4-dinitrophenyl-hydrazone, BCR®
Supplier: LGC Standards PROMOCHEM
Used on glass fibre filters.
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Environmental standards, WHO Dioxin-like PCB mixtures, in isooctane
Supplier: LGC Standards PROMOCHEM
WHO coplanar and mono-ortho PCBs (unlabelled), 3 ml in isooctane, : N/A
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EPA method 23 labelled cleanup standards, in nonane
Supplier: LGC Standards PROMOCHEM
EPA Method 23 calibration solutions [CS1-CS5], 0,2 ml in nonane, : N/A
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BOD calibration standards, CRM
Supplier: LGC Standards PROMOCHEM
BOD calibration standard, 200 mg/l, : N/A, Matrix: H₂O
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Elemental analysis standards, portland cement type Ⅲ, NIST-1887B
Supplier: LGC Standards PROMOCHEM
These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.
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Residual chlorine standard for ISE calibration, Orion™
Supplier: Thermo Orion
Residual chlorine standard for ISE calibration, Orion™, 100 ppm, : N/A
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Supplier: Integra
Supplier: KIMBERLY CLARK
Supplier: tempmate
Supplier: Integra
Supplier: Industrial Physics
Supplier: Testo
Supplier: Integra
Supplier: VWR Collection
Supplier: VWR Collection
Supplier: VWR Collection
Supplier: Thermo Fisher Scientific
Supplier: VWR Collection
Supplier: Corning
Supplier: VWR Collection
Supplier: VWR Collection
Supplier: VWR Collection
Supplier: Industrial Physics