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122 Résultats pour : « Gravimetric%20dilutors »

Ward's® AP Chemistry Investigation 3: Gravimetric Analysis: How Hard is the Water?

Ward's® AP Chemistry Investigation 3: Gravimetric Analysis: How Hard is the Water?

Supplier: Ward's Science

Meets AP Science Practices 1, 2, 4, 5, 6, and 7

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Total Suspended Solids (TSS) Standard, 100 mg/L (100 ppm) TSS (Gravimetric, Dried at 103 - 105 °C), Ricca Chemical Company

Total Suspended Solids (TSS) Standard, 100 mg/L (100 ppm) TSS (Gravimetric, Dried at 103 - 105 °C), Ricca Chemical Company

Supplier: Ricca Chemical

Total Suspended Solids (TSS) Standard, 100 mg/L (100 ppm) TSS (Gravimetric, Dried at 103 - 105 °C), Ricca Chemical Company

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42

Supplier: Cytiva

Cytiva's Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.

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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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Barium chloride 10% (w/v) in aqueous solution

Barium chloride 10% (w/v) in aqueous solution

Supplier: Ricca Chemical

10% (w/v) Aqueous. APHA, EPA for Sulfate (Gravimetric). Container: Plastic.

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Advantec Glass Fiber Filters, Grade GB140, Antylia Scientific

Advantec Glass Fiber Filters, Grade GB140, Antylia Scientific

Supplier: Antyila Scientific

For analytical or gravimetric studies.

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Continuing Calibration Verification Standard 1, CLP, Ricca Chemicals

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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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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Gravimetric Analysis

Gravimetric Analysis

Supplier: Ward's Science

Determine the Unknown!

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Soil Standard, Oil & Grease in Soil, ERA (Waters)

Supplier: ERA

Use with gravimetric method 9071B or infrared spectrometric analysis of soil.

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Innovating Science Unknown Compositions - Ferrous Ammonium Sulfate

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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Hardened Ashless Quantitative Paper, Grade 75, Ahlstrom

Hardened Ashless Quantitative Paper, Grade 75, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 75 is a medium flow rate hardened ashless (Ash 0.006%) filter paper suitable for quantitative gravimetric analysis in analytical techniques requiring increased chemical resistance, wet strength and handling capacity.

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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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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 43, Whatman products (Cytiva)

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 43, Whatman products (Cytiva)

Supplier: Cytiva

Cytiva's Whatman Grade 43 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 43 appropriate for gravimetric analyses requiring sample combustion.

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Thermolyne™ Benchtop Muffle Furnaces, Thermo Scientific

Supplier: Thermo Fisher Scientific

Furnaces ideal for gravimetric analysis, ashing of organic and inorganic samples, sintering, quantitative analysis and heat treating.

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Hardened Ashless Quantitative Paper, Grade 55, Ahlstrom

Hardened Ashless Quantitative Paper, Grade 55, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 55 is a fast filtering hardened ashless (Ash 0.006%) filter paper suitable for quantitative gravimetric analysis of coarse particles and gelatinous precipitates in analytical techniques requiring increased wet strength and handling capacity.

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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 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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1,2-Naphthoquinone ≥95.0% (by HPLC and gravimetric analysis)

Supplier: TCI America

CAS Number: 524-42-5
MDL Number: MFCD00001698
Molecular Formula: C10H6O2
Molecular Weight: 158.16
Purity/Analysis Method: >95.0% (HPLC,W)
Form: Crystal
Melting point (°C): 133
Storage Temperature: 0-10°C

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Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 41, Whatman products (Cytiva)

Whatman™ Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 41, Whatman products (Cytiva)

Supplier: Cytiva

Cytiva's Whatman Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air.

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Lab Performance Check, Method 200.7, RICCA Chemical Company

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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Vacuum Filter Holder Set With Stainless Steel Screen, 47 mm, United Scientific Supplies

Vacuum Filter Holder Set With Stainless Steel Screen, 47 mm, United Scientific Supplies

Supplier: United Scientific Supplies

Designed for analyzing particulate contamination of hydraulic fluids and oils using gravimetric or particulate counting methods, and can be used in exfoliative cytology applications.

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Glass Microfiber Filter Paper Grade 151, Ahlstrom

Glass Microfiber Filter Paper Grade 151, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 151 is a binder-free microfiber glass filter designed to retain extremely fine particles.

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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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Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.007%), Grade 40

Whatman™ Quantitative Filter Papers, Ashless Grades (Ash 0.007%), Grade 40

Supplier: Cytiva

Whatman Grade 40 high-purity filters from Cytiva's business are general-purpose papers for quantitative analysis. Grade 40 filters are suitable for a variety of analytical filtration applications.

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Whatman™ PM2.5 Air Monitoring Membrane Filters, Whatman products (Cytiva)

Whatman™ PM2.5 Air Monitoring Membrane Filters, Whatman products (Cytiva)

Supplier: Cytiva

Cytiva's Whatman PM2.5 PTFE membrane filters are designed for PM 2.5 ambient air monitoring. These high-purity, thin filters are sequentially numbered and come with chemically resistant polypropylene support rings.

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Ashless Quantitative Paper, Grade 94, Ahlstrom

Ashless Quantitative Paper, Grade 94, Ahlstrom

Supplier: Ahlstrom

Ahlstrom Grade 94 is an extremely fine retention ashless (Ash 0.007%) filter paper suitable for routine quantitative gravimetric techniques.

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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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Dioctyltin oxide ≥98.0% (by gravimetric analysis)

Supplier: TCI America

CAS Number: 870-08-6
MDL Number: MFCD00013839
Molecular Formula: C16H34OSn
Molecular Weight: 361.16
Purity/Analysis Method: >98.0% (W)
Form: Crystal

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Glass Microfiber Filter Paper Grade 141, Ahlstrom

Glass Microfiber Filter Paper Grade 141, Ahlstrom

Supplier: Ahlstrom

Ahlstrom grade 141 is a binder-free microfiber glass filter paper that is an effective pre-filter, offering better filtration speed and a higher loading capacity than an analytical filter paper of similar particle retention.

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