16919 Results for: "LGC Standards PROMOCHEM"

Supplier: LGC Standards PROMOCHEM

Calcium Standard, 5000 µg/g, Calcium, Matrix: Base Oil 20, Application: Oil based standards

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2-Chloronaphthalene 5,000 µg/ml in methanol

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,4-Xylenol 5,000 µg/ml in methanol

Supplier: LGC Standards PROMOCHEM

Organic Standard, 4-Nitrophenol 5,000 µg/ml in methanol

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Organic Standard, 2,4,6-Trichlorophenol 100 µg/ml in methanol

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained by subtraction from 100% of total impurities by GC-FID, thermogravimetric analysis, Karl Fischer analysis and 1H NMR is 99,1 ± 1,4% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained by traditional analytical techniques by subtraction from 100% of total impurities by HPLC with UV detection, 1H NMR, Karl Fischer and thermogravimetric analysis is 99,0 ± 1,5% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

Supplier: LGC Standards PROMOCHEM

Dibenzo[a,h]acridine

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Dibenzo[a,j]acridine

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Selenium Standard, 1000 mg/L, Selenium, Matrix: Nitric acid dil., Application: ICP standards

Supplier: LGC Standards PROMOCHEM

Iron Standard, 1000 mg/L, Iron, Matrix: Nitric acid dil., Application: ICP standards

Supplier: LGC Standards PROMOCHEM

Cadmium Standard, 1000 mg/L, Cadmium, Matrix: Nitric acid dil., Application: ICP standards

Supplier: LGC Standards PROMOCHEM

Manganese Standard, 1000 mg/L, Manganese, Matrix: Nitric acid dil., Application: ICP standards

Supplier: LGC Standards PROMOCHEM

Aluminium Standard, 10000 mg/L, Aluminium, Matrix: 2% HNO₃, Application: AAS standards

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Organic Standard, 4-Chlorotoluene 100 µg/ml in methanol

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Organic Standard, 1,1,1-Trichloroethane 100 µg/ml in methanol

Supplier: LGC Standards PROMOCHEM

Arsenic Standard, 10000 mg/L, Arsenic, Application: ICP standards

Supplier: LGC Standards PROMOCHEM

This reference standard is intended for daily use in conjunction with measurement of elements in surface waters. The water solution contains 45 elements with concentrations traceable to
ultrapure metals or stoichiometrically well-defined substances.

Supplier: LGC Standards PROMOCHEM

These standards contains six key PCB isomers such as 2,4,4'-trichlorobiphenyl; 2,2',5,5'-tetrachlorobiphenyl; 2,2',4,5,5'-pentachlorobipheny; 2,2',3,4,4',5'-hexachlorobiphenyl; 2,2',4,4',5,5'-hexachlorobiphenyl and 2,2',3,4,4',5,5'-heptachlorobiphenyl dissolved in iso-octane.

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Dieldrin

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Organic Standard, Theophyllin 10 µg/ml in methanol, Pack type: Glass bottle

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Potassium sorbate

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2,3-Dichlorobiphenyl (PCB No. 5)

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2,3,3',5-Tetrachlorobiphenyl (PCB No. 57)

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Organic Standard, 2,3,4,4'-Tetrachlorobiphenyl (PCB No. 60) 35 µg/ml in isooctane, Pack type: Glass bottle

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Organic Standard, 2,3,4,5-Tetrachlorobiphenyl (PCB No. 61) 35 µg/ml in isooctane, Pack type: Glass bottle

Supplier: LGC Standards PROMOCHEM

Organic Standard, 2,3,3',6-Tetrachlorobiphenyl (PCB No. 59) 35 µg/ml in isooctane, Pack type: Glass bottle

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This reference standard is intended for use as a primary calibration standard for the quantitative determination of potassium.

Supplier: LGC Standards PROMOCHEM

River sediment - extractable metals, : N/A

Supplier: LGC Standards PROMOCHEM

Aluminium