Hledali jste: Standardy pro environmentální analýzu
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 re-establish the surroundings required for optimal performance. Identify all external and internal elements which impact overall growth with the environmental analysis standards.
EPA 8270 GC-MS tuning solution, certified reference material, Supelco®
Supplier: Merck
EPA 8270 GC-MS Tuning Solution, Supelco®, Certified reference material, 50 mug/mL each component in dichloromethane, : N/A
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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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Trace metals -clay, (CRM), Supelco®
Supplier: Merck
Trace Metals -Silt Clay 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Chlordane (Total) - WP, proficiency testing material, Supelco®
Supplier: Merck
Chlordane (Total) - WP, Supelco®, Proficiency Testing Material, Concentrate for dilution to 1L, : N/A
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Herbicides I - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
Herbicides I - WS, Supelco®, Proficiency Testing Material, : N/A
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VOAs in soil 2 - low level, Supelco®
Supplier: Merck
VOAs in soil 2 - low level, Supelco®, : N/A
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Nutrients - clay soil, (CRM), Supelco®
Supplier: Merck
Nutrients - Clay Soil, Supelco®, : N/A, Pkg of 100 g
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Hardness calibration standard, calcium 1000 mg/L, (CRM), Supelco®
Supplier: Merck
Hardness calibration standard, Supelco®, Certified reference material, Calcium 1000 mg/l, : N/A
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TSS/pH (Whole Volume) in Seawater - WS, Proficiency Testing Material, Supelco®
Supplier: Merck
TSS/pH (whole volume) in Seawater - WS, Supelco®, Proficiency Testing Material, : N/A
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Anions - Sandy loam 1, (CRM), Supelco®
Supplier: Merck
Anions - Sandy Loam 1, Supelco®, Certified reference material, : N/A, Pkg of 50 g
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Low level anions - whole volume, Supelco®
Supplier: Merck
Low Level Anions - Whole Volume, Supelco®, : N/A
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Mercury on Filter Paper, Proficiency Testing Material, Supelco®
Supplier: Merck
Mercury on Filter Paper, Supelco®, Proficiency Testing Material, : N/A
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Clean Sandy Loam, (CRM), Supelco®
Supplier: Merck
Clean Sandy Loam, Supelco®, : N/A
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Nonionic surfactants, (CRM), Supelco®
Supplier: Merck
Nonionic Surfactants, Supelco®, Certified reference material
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Free Liquids in Paint - PT, Proficiency Testing Material, Supelco®
Supplier: Merck
Free Liquids in Paint - PT, Supelco®, Proficiency Testing Material, : N/A
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Chromium VI in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
Chromium VI in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Clean Sand #4, (CRM), Supelco®
Supplier: Merck
Clean Sand #4, Supelco®, : N/A
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Water hardness standard for ISE calibration, Orion™
Supplier: Thermo Orion
Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃, : N/A
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BTEX/MTBE in soil - PT, proficiency testing material, Supelco®
Supplier: Merck
BTEX/MTBE in Soil - PT, Supelco®, Proficiency Testing Material, : N/A
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Clean Loam Soil, (CRM), Supelco®
Supplier: Merck
Clean Loam Soil, Supelco®, : N/A
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EPA 8040A phenol calibration mix, analytical standard, Supelco®
Supplier: Merck
EPA 8040A Phenol Calibration Mix, Supelco®, Analytical standard, 500 mug/mL each component in isopropanol, : N/A
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Trace metals kits - WS, (CRM), Supelco®
Supplier: Merck
Trace Metals Kits - WS, Supelco®, : N/A
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Metals in soil, (CRM), Supelco®
Supplier: Merck
Metals in Soil, Supelco®, Certified reference material, : N/A
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NIST® SRM® Trace Elements in Water
Supplier: Merck
Each unit of SRM 1643F consists of a polyethylene bottle containing ~250 ml of acidified water, sealed within an aluminized plastic bag to maintain stability. The SRM simulates the elemental composition of fresh water. The solution contains nitric acid at a volume fraction of ~2%, equivalent to an amount of substance concentration (molarity) of nearly 0,32 mol/L.
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TOC Standard Solutions, Certified Reference Materials, Ready-to-Use, for Photometry, Supelco®
Supplier: Merck
TOC standard solution, Supelco®, 5,00 mg/L TOC, Matrice: H₂O, pH rozsah: 4 - 6
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Standard solutions for analytical quality assurance, Supelco®
Supplier: Merck
The standard solutions offered below can be adjusted to a final concentration for the measurement range of a test system by dilution. In addition, these standards can be used to prepare spiking solutions for the standard addition procedure. They provide an economic and simple method of analytical quality control.
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VOCs - loamy sand 4, (CRM), Supelco®
Supplier: Merck
VOCs - Loamy Sand 4, Supelco®, : N/A, Pkg of 30 g
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Nutrients C/V Sample 2, (CRM), Supelco®
Supplier: Merck
Nutrients C/V Sample 2, Supelco®, Certified reference material, : N/A
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TCLP Metals in Soil, (CRM), Supelco®
Supplier: Merck
TCLP Metals in Soil, Supelco®, Certified reference material, : N/A
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Thiocyanate in Water - WP, Proficiency Testing Material, Supelco®
Supplier: Merck
Thiocyanate in Water - WP, Supelco®, Proficiency Testing Material, : N/A
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Dodavatel: Integra
Dodavatel: EPPENDORF
Dodavatel: Integra
Dodavatel: Liebherr
Dodavatel: OZ BIOSCIENCES
Dodavatel: VWR Collection
Dodavatel: Corning
Dodavatel: SenseAnywhere
Dodavatel: NANOENTEK
Dodavatel: VWR Collection
Dodavatel: Integra
Dodavatel: Testo
Dodavatel: Testo
Dodavatel: Sartorius
Dodavatel: Quantabio