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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
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4,186 – 4,200 of 23,009 results
4,186

phyproof™ Panaxatriol, ≥98% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

4,187

phyproof™ Bergenin, ≥98% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

4,188

phyproof™ Umckalin, ≥98% (HPLC), MilliporeSigma™ Supelco™

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

4,191

2-Methyl-2-butanol, ≥99.5% (GC), MilliporeSigma™ Supelco™

2-Methyl-2-butanol is an isomer of n-pentanol. It is an organic solvent used mostly in esterification.

Boiling Point 102°C
Linear Formula CH3 CH2 C(CH3)2 OH
Physical Form Neat
Grade Analytical Standard
Ignition Point 819°F
Density 0.805 g/mL (at 25°C)
Vapor Density 3 (vs. air)
Type Analytical Standard
Percent Purity ≥99.5% (GC)
CAS 75-85-4
MDL Number MFCD00004478
Flash Point 20.5°C - Closed Cup
Synonym tert-Amyl alcohol; tert-Pentyl alcohol
RTECS Number SC0175000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 88.15
Melting Point -12°C
4,192

Calcium standard for AAS, 1.000 μg/L Ca+2 in hydrochloric acid, Traceable to BAM, MilliporeSigma™ Supelco™

Type Analytical Standard
Concentration or Composition (by Analyte or Components) 1.000 g/L Ca +2 in. hydrochloric acid
Linear Formula CaCl2
CAS 10043-52-4
MDL Number MFCD00010903
Grade Analytical Standard
Synonym Calcium chloride solution
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 110.98
4,195

PESTANAL™ Zineb, MilliporeSigma™ Supelco™

Zineb belongs to the ethylenebisdithiocarbamates (EBDCs) class of compounds which has been employed in crop protection.

4,196

m-Cresol, ≥99% (GC), MilliporeSigma™ Supelco™

m-Cresol is an isomer form of Cresol and is mainly used as an intermediate in the manufacture of chemicals. It is toxic in nature. It is a component of coal tar creosote which is used for wood preservation. It also possess bactericide and fungicide property.

Boiling Point 203°C
Linear Formula CH3C6H4 OH
Physical Form Neat
Grade Analytical Standard
Ignition Point 1036°F
Density 1.034 g/mL (at 25°C)
Vapor Density 3.72 (vs. air)
Vapor Pressure <1 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99% (GC)
CAS 108-39-4
MDL Number MFCD00002302
Flash Point 86°C
Synonym 1-Hydroxy-3-methylbenzene; 3-Hydroxytoluene; 3-Methylphenol
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 108.14
Melting Point 8°C to 10°C
4,198

PESTANAL™ 4-Aminophenol, MilliporeSigma™ Supelco™

4-Aminophenol can be obtained via the reduction of 4-nitrophenol with excess of sodium borohydride. It can also be obtained as a primary hydrolytic degradation product of paracetamol.

4,199

Diethylene glycol dimethyl ether, ≥99.7% (GC), MilliporeSigma™ Supelco™

Diethylene glycol dimethyl ether is a combustible liquid, which can be used in the synthesis of films, chemically similar to polyethylene glycol on low-density polyethylene and Si(100) surfaces via plasma polymerization and deposition.

Boiling Point 162°C
Linear Formula (CH3 OCH2 CH2)2 O
Grade Analytical Standard
Ignition Point 370°F
Density 0.944 g/mL at 20°C; 0.939 g/mL (at 25°C)
Vapor Density 4.6 (vs. air)
Vapor Pressure 3 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99.7% (GC)
CAS 111-96-6
MDL Number MFCD00008503
Flash Point 57°C
Synonym 2-Methoxyethyl ether; Bis(2-methoxyethyl) ether; Dimethyldiglycol; ′Diglyme’
RTECS Number KN3339000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 134.17
Melting Point -64°C