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Search results for "Standards"

1 – 15 of 47,749 results
1

Conductivity Standards for METTLER TOLEDO Conductivity Probes, METTLER TOLEDO™

Recommended NIST traceable solutions for calibrating or verifying METTLER TOLEDO conductivity electrodes.

Type Conductivity Standard
For Use With (Equipment) Conductivity Electrodes
Recommended Storage Ambient
Solution Type Conductivity Standard
2

Conductivity Standards 10μS/cm, Mettler Toledo™

EDGE
3

Thermo Scientific™ 3000 Series Nanosphere™ Size Standards

Conveniently check the sizes of bacteria, viruses, ribosomes and sub-cellular components with these size standards.

Promotions are available
Particle Density 1.05g/cm³
Content And Storage Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.
Stability Product stable for a minimum of 24 months
Description 3000 Series Nanosphere Size Standards come in optimized concentrations for easy dispersal and colloidal stability.
Color White or Colorless
Quantity 15 mL
Material Polystyrene
Concentration 1% solids
For Use With (Application) Electron Microscope Calibration
Includes Certificate of Calibration and Traceability to NIST
Additive Contains trace amount of surfactant to inhibit agglomeration and promote stability
Contents Polymer particles in water
Product Type Size Standard Particles
Refractive Index 1.59 at 589nm (25°C)
4

Conductivity Standard, NIST Traceable, 5μS/cm, Reagecon™
BIOPHARMA

5

Conductivity Standard, NIST Traceable, 84μS/cm, Reagecon™
BIOPHARMA

Accredited to ISO 17025. Reagecon™ Conductivity Standard, NIST Traceable, 84μS/cm is an aqueous-based, non-hazardous low-level conductivity standard with a high degree of accuracy, low temperature variation and guaranteed stability through expiration, even after opening the bottle.

6

Thermo Scientific™ SURF-CAL™ Particle Size Standards

Simplify the preparation of calibration wafers with these particle size standards.

Includes Certificate of Calibration and Traceability to NIST
Particle Density 1.05g/cm³
Content And Storage Unless otherwise stated, refrigerate (2° to 8°C) product when not in use but do not freeze. Store upright and keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.
Additive None
Stability Product stable for a minimum of 12 months
Contents Polystyrene microspheres in deionized, filtered water
Product Type Size Standard Particles
Refractive Index 1.59 at 589nm (25°C)
Quantity 50 mL
Material Polystyrene
For Use With (Application) SSIS Calibration and Maintenance
7

Potassium chloride, 0.010M, Conductivity Standard, Thermo Scientific Chemicals

CAS: 7447-40-7 Molecular Formula: ClK Molecular Weight (g/mol): 74.55 MDL Number: MFCD00011360 InChI Key: WCUXLLCKKVVCTQ-UHFFFAOYSA-M PubChem CID: 4873 ChEBI: CHEBI:32588 SMILES: [Cl-].[K+]

PubChem CID 4873
CAS 7447-40-7
Molecular Weight (g/mol) 74.55
ChEBI CHEBI:32588
MDL Number MFCD00011360
SMILES [Cl-].[K+]
InChI Key WCUXLLCKKVVCTQ-UHFFFAOYSA-M
Molecular Formula ClK
8

Thermo Scientific™ Dri-Cal™ Particle Size Standards

Use Thermo Scientific™ Dri-Cal™ Particle Size Standards for calibrating particle sizing and counting instruments that require dry particles.

Particle Density 1.05g/cm³
Content And Storage Store at room temperature in a dry area. Store upright and keep bottle tightly sealed. Respiratory protection from dust is recommended.
Stability Product stable for a minimum of 24 months
Description Used for calibrating particle sizing and counting instrumentation that require dry particles for measuring dry media.
Color White
Quantity 1 g
Material Polystyrene Divinylbenzene (PS-DVB)
Concentration 100% solids
For Use With (Application) Dry Particle Counter Calibration
Includes Certificate of Calibration and Traceability
Additive May contain trace amount of dispersant
Contents Dry dyed polystyrene (DVB) microspheres
Product Type Size Standard Particles
Refractive Index 1.59 at 589nm (25°C)
9

Thermo Scientific™ 4D Series Dry Microsphere Size Standards

Calibrate airborne optical particle counters to comply with ISO 21501-4 with Thermo Scientific™ 4D Series Dry Microsphere Size Standards.

Content And Storage Unless otherwise stated, store at ambient room temperature. Store upright; keep bottle tightly sealed. Mix product with gentle inversion by hand or vortex mixer.
Additive Trace flow agent
Contents 1g
Product Type Size Standard Particles
Color White
Refractive Index 1.59 at 589nm (25°C)
Material Polystyrene Divinylbenzene (PS-DVB)
Concentration 100% solids
Certifications/Compliance Certificate of Calibration and Traceability to NIST, MSDS
For Use With (Application) Airborne Optical Particle Counter Calibration
10

IUPAC pH Standards, Hach Lange™

EDGE
13

Paragon Scientific Flow Cup Viscosity Standards, Paragon Scientific™

These standards are especially designed for use in DIN, Ford, ISO, Shell and Zahn flow cups. Certified at 20°C and 25°C, each value is tested to ASTM D2162 for viscosity measurement and ASTM D1480 for Density measurement, certified to the International Standards BS EN ISO / IEC 17025 and ISO 17034.

Quantity 500 mL
15

Cone and Plate Viscosity Standard, 28.97 mPa.s (25.00°C), Paragon Scientific™

Paragon ISO 17025 / ISO 17034 certified cone and plate viscosity standards are specifically formulated for the paint and coatings industry, and represent the most comprehensive range of standards available for this application.