122 Results for: "Gravimetric%20dilutors"
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.
Expand 11 Items
LabExact® Grade A 1.6 µm Binderless Glass Microfiber Filters
Supplier: I.W. TREMONT CO., INC.
LabExact® Grade A Fine porosity, fast flow rate, with a 1.6 µm size particle retention. Frequently used in the filtration of precipitated proteins and cells. Ideally suited for use as a filter for radioimmuno assay of weak beta emitters by scintillation counting and gravimetric determination of airborne particulate.
Expand 13 Items
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.
Expand 1 Items
Potassium allyltrifluoroborate ≥95.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 233664-53-4
Molecular Formula: C3H6BF3
Molecular Weight: 147.98
Purity/Analysis Method: >95.0% (W)
Form: Crystal
Color: White
Expand 2 Items
ɑ-Furil dioxime ≥97.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 23789-34-6
MDL Number: MFCD00075315
Molecular Formula: C10H8N2O4
Molecular Weight: 220.18
Purity/Analysis Method: >97.0% (W)
Form: Crystal
Melting point (°C): 192
Expand 2 Items
1,2-Cyclohexanedione dioxime ≥98.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 492-99-9
MDL Number: MFCD00001663
Molecular Formula: C6H10N2O2
Molecular Weight: 142.16
Purity/Analysis Method: >98.0% (W)
Form: Crystal
Melting point (°C): 188
Expand 3 Items
Potassium vinyltrifluoroborate ≥97.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 13682-77-4
Molecular Formula: C2H4BF3
Molecular Weight: 133.95
Purity/Analysis Method: >97.0% (W)
Form: Crystal
Color: White
Expand 3 Items
Bis(carbonyldithio)tetrathiafulvalene ≥95.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 64394-47-4
MDL Number: MFCD00059965
Molecular Formula: C8O2S8
Molecular Weight: 384.57
Purity/Analysis Method: >95.0% (W)
Form: Crystal
Expand 1 Items
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.
Expand 1 Items
VWR® Quantitative Grade Filter Paper Circles
Supplier: AHLSTROM MUNKSJO FILTRATION LLC.
Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.
Expand 2 Items
Quantative Filter Papers, Pleated, Ashless and Hardened, Hach®
Supplier: Hach
These filter papers are designed for use in various Hach Water Analysis Handbook Methods and other environmental reference methods. Optimized ashless hardened circles provide an abrasion-resistant smooth surface, which is ideal for gravimetric procedures utilizing Büchner funnels and high vacuum.
Expand 1 Items
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
Expand 2 Items
Ashless Quantitative Paper, Grade 74, Ahlstrom
Supplier: Ahlstrom
Ahlstrom Grade 74 is a medium flow rate ashless (Ash 0.007%) filter paper suitable for routine quantitative gravimetric techniques.
Expand 13 Items
Ashless Quantitative Paper, Grade 54, Ahlstrom
Supplier: Ahlstrom
Ahlstrom Grade 54 is a fast filtering ashless (Ash 0.007%) filter paper suitable for routine quantitative gravimetric techniques.
Expand 12 Items
Dimethyl glyoxime ≥98.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 95-45-4
MDL Number: MFCD00002117
Molecular Formula: C4H8N2O2
Molecular Weight: 116.12
Purity/Analysis Method: >98.0% (W)
Form: Crystal
Melting point (°C): 240
Expand 2 Items
Laboratory Performance Check, Method 200.11, RICCA Chemical Company
Supplier: Ricca Chemical
This is a multielement solution that was prepared gravimetrically to contain the elements and concentrations stated below.
Expand 1 Items
Hardened Ashless Quantitative Paper, Grade 95, Ahlstrom
Supplier: Ahlstrom
Ahlstrom Grade 95 is an extremely fine retention, hardened ashless (Ash 0.006%) filter paper suitable for quantitative gravimetric analysis in analytical techniques requiring increased chemical resistance, wet strength and handling capacity.
Expand 15 Items
Dibutyltin dilaurate ≥95.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 77-58-7
MDL Number: MFCD00008963
Molecular Formula: C32H64O4Sn
Molecular Weight: 631.57
Purity/Analysis Method: >95.0% (W)
Form: Clear Liquid
Flash Point (°C): 236
Freezing point (°C): 13
Specific Gravity (20/20): 1.05
Expand 1 Items
LabExact® Extraction Thimbles, Glass Microfiber
Supplier: I.W. TREMONT CO., INC.
LabExact® high quality glass microfiber extraction thimbles available in a variety of dimensions to fit most Soxhlet extraction units, ideal for gravimetric methods for hot environments and acidic gases as well as extraction methods common to biochemical analysis.
Expand 20 Items
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.
Expand 1 Items
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.
Expand 13 Items
Potassium cyclopropyltrifluoroborate ≥97.0% (by gravimetric analysis)
Supplier: TCI America
CAS Number: 1065010-87-8
MDL Number: MFCD09265031
Molecular Formula: C3H5BF3K
Molecular Weight: 147.98
Purity/Analysis Method: >97.0% (W)
Form: Crystal
Color: White
Expand 2 Items
Whatman™ Quantitative Filter Papers, Hardened Ashless Grades, Grade 540, Whatman products (Cytiva)
Supplier: Cytiva
Cytiva's Whatman Grade 540 is a high-purity, acid-treated cellulose lab filter paper. Mechanically strong Grade 540 is well suited for quantitative or gravimetric analysis of strongly acidic or alkaline samples.
Expand 11 Items
Barnstead/Thermolyne Small Benchtop Muffle Furnaces, Type 1300 and Type 1400, Thermo Scientific
Supplier: Thermo Fisher Scientific
Versatile and economical Barnstead/Thermolyne furnaces are specifically designed for ashing organic and inorganic samples, determining volatile and suspended solids, gravimetric analysis, heat treating of small steel parts, and ignition tests.
Expand 4 Items
Whatman™ Anodisc Circle with Support Ring, Whatman products (Cytiva)
Supplier: Cytiva
Anopore inorganic membranes (Anodisc), circles, with support ring.
Expand 6 Items
Membrane Disc Filters, GLA-5000, Cytiva (Formerly Pall Lab)
Supplier: Cytiva
Ideal for sampling airborne metals, silica, and dust.
Expand 4 Items
502.2 MegaMix Standard (54 components), Restek
Supplier: Restek
Contains: Benzene (71-43-2); Bromobenzene (108-86-1); Bromochloromethane (74-97-5); Bromodichloromethane (75-27-4); Bromoform (75-25-2); n-Butylbenzene (104-51-8); sec-Butylbenzene (135-98-8); tert-Butylbenzene (98-06-6); Carbon tetrachloride (56-23-5); Chlorobenzene (108-90-7); Chloroform (67-66-3); 2-Chlorotoluene (95-49-8); 4-Chlorotoluene (106-43-4); Dibromochloromethane (124-48-1); 1,2-Dibromo-3-chloropropane (DBCP) (96-12-8); 1,2-Dibromoethane (EDB) (106-93-4); Dibromomethane (74-95-3); 1,2-Dichlorobenzene (95-50-1); 1,3-Dichlorobenzene (541-73-1); 1,4-Dichlorobenzene (106-46-7); 1,1-Dichloroethane (75-34-3); 1,2-Dichloroethane (107-06-2); 1,1-Dichloroethene (75-35-4); cis-1,2-Dichloroethene (156-59-2); trans-1,2-Dichloroethene (156-60-5); 1,2-Dichloropropane (78-87-5); 1,3-Dichloropropane (142-28-9); 2,2-Dichloropropane (594-20-7); 1,1-Dichloropropene (563-58-6); cis-1,3-Dichloropropene (10061-01-5); trans-1,3-Dichloropropene (10061-02-6); Ethylbenzene (100-41-4); Hexachloro-1,3-butadiene (hexachlorobutadiene) (87-68-3); Isopropylbenzene (cumene) (98-82-8); 4-Isopropyltoluene (p-cymene) (99-87-6); Methylene chloride (dichloromethane) (75-09-2); Naphthalene (91-20-3); n-Propylbenzene (103-65-1); Styrene (100-42-5); 1,1,1,2-Tetrachloroethane (630-20-6); 1,1,2,2-Tetrachloroethane (79-34-5); Tetrachloroethene (127-18-4); Toluene (108-88-3); 1,2,3-Trichlorobenzene (87-61-6); 1,2,4-Trichlorobenzene (120-82-1); 1,1,1-Trichloroethane (71-55-6); 1,1,2-Trichloroethane (79-00-5); Trichloroethene (79-01-6); 1,2,3-Trichloropropane (96-18-4); 1,2,4-Trimethylbenzene (95-63-6); 1,3,5-Trimethylbenzene (108-67-8); m-Xylene (108-38-3); o-Xylene (95-47-6); p-Xylene (106-42-3)
Expand 2 Items
LabExact® CFP42 Quantitative Ashless Cellulose Filter Papers, 2.5 µm
Supplier: I.W. TREMONT CO., INC.
This media demonstrates an extremely high retention rate for a cellulose filter media.
Expand 8 Items
LabExact® CFP43 Quantitative Ashless Cellulose Filter Papers, 15 to 17 µm
Supplier: I.W. TREMONT CO., INC.
Positioned as an intermediate within the quantitative cellulose family, this grade demonstrates medium retention and flow rates.
Expand 8 Items
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.