146 Results for: "Gravimetric%20dilutors"

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Dibutyltin bis(trifluoromethanesulfonate) ≥98.0% (by gravimetric analysis)

Supplier: TCI America

CAS Number: 38438-11-8 MDL Number: MFCD00671529 Molecular Formula: C10H18F6O6S2Sn Molecular Weight: 531.07 Purity/Analysis Method: 98.0% (W) Form: Crystal

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Oil and Grease Wastewater Standard, NSI

Supplier: SPEX CERTIPREP LLC

Ready-to-use whole volume standard for gravimetric analysis

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D-Glucose-6-phosphate barium salt heptahydrate ≥98.0% (by gravimetric analysis)

Supplier: TCI America

CAS Number: 58823-95-3 MDL Number: MFCD00221521 Molecular Formula: C6H13O9P Molecular Weight: 395.45 Purity/Analysis Method: 98.0% (W) Form: Crystal Specific rotation [a]20/D: 20 deg (C=5, 1mol/L HCl) Storage Temperature: 0-10°C

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Whatman™ Quantitative Filter Papers, Pyramid Folded, Whatman products (Cytiva)

Supplier: Cytiva

Easily fits into conical funnels.

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Potassium tetrakis(4-chlorophenyl)borate ≥98.0% (by HPLC and gravimetric analysis)

Supplier: TCI America

[Anion for the neutral carrier type ion electrode] CAS Number: 14680-77-4 MDL Number: MFCD00043105 Molecular Formula: C24H16BCl4K Molecular Weight: 496.10 Purity/Analysis Method: 98.0% (HPLC,W) Form: Crystal

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Dimethyl glyoxime disodium salt octahydrate ≥97.0% (by gravimetric analysis)

Supplier: TCI America

CAS Number: 75006-64-3 MDL Number: MFCD00019957 Molecular Formula: C4H8N2O2 Molecular Weight: 160.08 Purity/Analysis Method: 97.0% (W) Form: Crystal

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(Indenyl)titanium(IV) trichloride ≥98.0% (by gravimetric and titrimetric analysis)

Supplier: TCI America

CAS Number: 84365-55-9 Molecular Formula: C9H7Cl3Ti Molecular Weight: 269.37 Purity/Analysis Method: 98.0% (W,T) Form: Crystal Melting point (°C): 162

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Speciated Sulfur System Suitability Checkout Standard (SSSSCS), Restek

Supplier: Restek

These petroleum standards are gravimetrically prepared, NIST-traceable by weight, and have been verified by one or more analytical methods.

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Glass Fiber Filters, Type A/E, Cytiva (Formerly Pall Lab)

Supplier: Cytiva

Ideal for gravimetric analysis of air pollutants and as prefilters for use upstream of membrane filters.

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Boron trifluoride diethyl ether complex ≥98% (by gravimetric analysis)

Supplier: TCI America

CAS Number: 109-63-7 Molecular Formula: C4H10BF3O Molecular Weight: 141.93 Form: Liquid Color: Colorless

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Low Ash Quantitative Paper Grade 391, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 391 is a fine retention low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

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Low Ash Quantitative Paper Grade 388, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 388 is a fast filtering low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

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Sodium tetrakis(4-fluorophenyl)borate hydrate ≥98.0% (by HPLC and gravimetric analysis)

Supplier: TCI America

[Precipitation reagent for Cs and titrimetric reagent for nonionic surfactants] CAS Number: 25776-12-9 MDL Number: MFCD00010732 Molecular Formula: C24H16BF4Na Molecular Weight: 414.19 Purity/Analysis Method: 98.0% (HPLC,W) Form: Crystal Storage Temperature: 0-10°C

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Low Ash Quantitative Paper Grade 392, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 392 is a medium rate filtering low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

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Boron trifluoride - methanol complex 10 - 20% (by gravimetric analysis) for esterification

Supplier: TCI America

Set of 10 x 1 mL

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Advantec Glass Fiber Filters, Grade GB140, Antylia Scientific

Supplier: Antyila Scientific

For analytical or gravimetric studies.

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.01%), Grade 589/3, Whatman products (Cytiva)

Supplier: Cytiva

Whatman Grade 589/3 ashless filter paper from Cytiva is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass.

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Sodium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate hydrate ≥98.0% (by HPLC and gravimetric analysis)

Supplier: TCI America

CAS Number: 79060-88-1
MDL Number: MFCD00043323
Molecular Formula: C32H12BF24Na
Molecular Weight: 886.21
Purity/Analysis Method: >98.0% (HPLC,W)
Form: Crystal
Color: Very Pale Yellow

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Thermolyne™ Industrial Benchtop Muffle Furnaces, Thermo Scientific

Supplier: Thermo Fisher Scientific

Furnaces ideal for gravimetric analysis, heat treatment

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Contract Required Detection Limits (CRDL) Standard 1R, CLP, RICCA Chemical Company

Supplier: Ricca Chemical

This is a multielement solution that was prepared gravimetrically to contain the elements and concentrations stated below.

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Innovating Science Unknown Compositions - Ferrous Ammonium Sulfate

Supplier: Ward's Science

Determine the purity of a ferrous ammonium sulfate sample via gravimetric and spectrophotometric analysis.

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Continuing Calibration Verification Standard 1, CLP, Ricca Chemicals

Supplier: Ricca Chemical

This is a multielement solution that was prepared gravimetrically to contain the elements and concentrations stated below.

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VWR® Quantitative Grade Filter Paper Circles

Supplier: VWR International

Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.

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Silicic acid hydrate 99-100.5% SiO2 basis (calculated on ignited substance, gravimetric), extra pure, precipitated light, Supelco®

Supplier: MilliporeSigma

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.01%), Grade 589/1, Whatman products (Cytiva)

Supplier: Cytiva

With less than 0.01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.

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Primary Drinking Water Metals Standard, RICCA Chemical Company

Supplier: Ricca Chemical

This is a multielement solution that was prepared gravimetrically to contain the elements and concentrations stated below.

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Lab Performance Check, Method 200.7, RICCA Chemical Company

Supplier: Ricca Chemical

This is a multielement solution that was prepared gravimetrically to contain the elements and concentrations stated below.

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Sulfur Simulated Distillation Standard (SSDS), Restek

Supplier: Restek

The standard consists of ethanethiol, 1-propanethiol, 1-butanethiol, 1-pentanethiol, 1-hexanethiol, 1-heptanethiol, 3,5-dimethylbenzenethiol, 1-octanethiol, 1-nonanethiol, 1-decanethiol, 1-pentadecanethiolol, 1-hexadecanethiol and 1-octadecanethiol.