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"Analytical Standards"

 
 
Ward's® AP Chemistry Investigation 4: Titrations: How Acidic are the Beverages we Drink?

Ward's® AP Chemistry Investigation 4: Titrations: How Acidic are the Beverages we Drink?

Supplier: Ward's Science

Meets AP Science Practices 1, 2, 3, 4, 5, and 6

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Diethanolamine ≥99.0% (by GC)

Supplier: TCI America

[Matrix for FABMS and liquid SIMS]
CAS Number: 111-42-2
MDL Number: MFCD00002843
Molecular Formula: C4H11NO2
Molecular Weight: 105.14
Purity/Analysis Method: >99.0% (GC)
Form: Crystal
Color: White
Flash Point (°C): 160
Freezing point (°C): 27

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Eisco Soxhlet Extraction Apparatus

Eisco Soxhlet Extraction Apparatus

Supplier: Wards

Soxhlet extraction apparatus consisting of boiling flask, extractor, and condenser, all made from high quality borosilicate glass.

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Hi-Plex, Agilent Technologies

Hi-Plex, Agilent Technologies

Supplier: AGILENT TECHNOLOGIES, INC (CSD) CA

Hi-Plex HPLC columns for analysis of carbohydrates, sugars, and organic acids.

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OPTI-PAK® Trap Columns, 0.5 µl

OPTI-PAK® Trap Columns, 0.5 µl

Supplier: Optimize

The OPTI-PAK®'s unique hardware design integrates a PEEK holder with an auto-adjusting stem which provides a fluid interface with any 10-32 standard injector port, and guarantees a zero-dead-volume connection despite variances in tube stop depth.

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Esculetin ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America

CAS Number: 305-01-1
MDL Number: MFCD00006874
Molecular Formula: C9H6O4
Molecular Weight: 178.14
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal

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WHEATON® MicroLiter µLPlate® Component Kits, PP Plates with Inserts and Caps, Assembled, DWK Life Sciences

WHEATON® MicroLiter µLPlate® Component Kits, PP Plates with Inserts and Caps, Assembled, DWK Life Sciences

Supplier: DWK Life Sciences (KIMBLE)

MicroLiter µLPlate® components include a proprietary product line of 96-well round and square well microplates with glass inserts and color-coded caps.

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4'-Hydroxyazobenzene-4-carboxylic acid hydrate ≥98.0% (by HPLC, titration analysis)

Supplier: TCI America

CAS Number: 2497-38-3
MDL Number: MFCD12198372
Molecular Formula: C13H10N2O3
Molecular Weight: 242.23
Purity/Analysis Method: >98.0% (HPLC,T)
Form: Crystal
Melting point (°C): 260

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Water ACS, deionised

Water ACS, deionised

Supplier: Ward's Science

CAS number: 7732-18-5
Formula weight: 18.02
Formula: H₂O

Guaranteed to meet the purity standards set by the American Chemical Society

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Cole-Parmer® Essentials Glass Dome Desiccators, Antylia Scientific

Cole-Parmer® Essentials Glass Dome Desiccators, Antylia Scientific

Supplier: Antyila Scientific

Clear glass provides excellent visibility.

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Ward's® AP Chemistry Investigation 16: Buffering: How do the Components Change the Buffering Ability?

Ward's® AP Chemistry Investigation 16: Buffering: How do the Components Change the Buffering Ability?

Supplier: Ward's Science

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

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OPTI-PAK® Trap Columns, 0.25 µl

OPTI-PAK® Trap Columns, 0.25 µl

Supplier: Optimize

The OPTI-PAK®'s unique hardware design integrates a PEEK holder with an auto-adjusting stem which provides a fluid interface with any 10-32 standard injector port, and guarantees a zero-dead-volume connection despite variances in tube stop depth.

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Hypersil™ HS C18 HPLC Columns, Thermo Scientific

Supplier: Thermo Scientific

Maximize retention and loading using Hypersil™ PREP HS C18 reversed phase preparative HPLC columns.

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OPTI-PAK® Trap Columns, 0.12 µl

OPTI-PAK® Trap Columns, 0.12 µl

Supplier: Optimize

The OPTI-PAK®'s unique hardware design integrates a PEEK holder with an auto-adjusting stem which provides a fluid interface with any 10-32 standard injector port, and guarantees a zero-dead-volume connection despite variances in tube stop depth.

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CLP 04.1 B/N MegaMix Standard, Revision 2 (47 Components), Restek

Supplier: Restek

Consists of 47 components, those are acenaphthene, acenaphthylene, acetophenone, anthracene, benzanthracene, benzopyrene, benzofluoranthene, benzoperylene, benzofluoranthene, benzyl butyl phthalate, biphenyl, bismethane, bisether, bisphthalate, 4-bromophenyl phenyl ether, carbazole, 4-chloroaniline, 2-chloronaphthalene, 4-chlorophenyl phenyl ether, chrysene, dibenzanthracene, dibenzofuran, diethylphthalate, dimethylphthalate, di-n-butyl phthalate, 2,4-dinitrotoluene, 2,6-dinitrotoluene, di-n-octyl phthalate, diphenylamine *,fluoranthene, fluorene, hexachlorobenzene, hexachloro-1,3-butadiene , hexachlorocyclopentadiene, hexachloroethane, indenopyrene, isophorone, 2-methylnaphthalene, naphthalene, 2-nitroaniline, 3-nitroaniline, 4-nitroaniline, nitrobenzene, n-nitroso-di-n-propylamine, 2,2'-oxybis, phenanthrene and pyrene.

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Thomson Filter Plates

Thomson Filter Plates

Supplier: THOMSON INSTRUMENT CO

Thomson filter plates (24- and 96-well) enable fast, parallel plate-to-plate processing for biological and analytical workflows. For clarification, the Universal Rapid Clear® 24-well depth-filtration plate is automation-compatible and clarifies cell-culture supernatants or lysates in ~5 minutes by centrifuge. The graded, multi-layer stack removes whole cells and debris, including lysis byproducts, while minimizing interaction with target proteins. Pair with Thomson collection plates and seals for clean transfers and high-throughput screening.

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