U heeft gezocht op: Methyl-3-chlorothiophene-2-carboxylate


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Omschrijving:

Indicator tablets for determination of water hardness by titration with EDTA.

Specifications
Minimum weight: ≥ 0.20 g
Maximum weight: ≤ 0.23 g
Disintegration time (at 25°C): ≤ 150 s
Application test: conforms

The tablets are dissolved in 100 ml of the water sample to be tested, which has been buffered at pH 10 with 1 ml of Ammonia/ Ammonium chloride buffer solution, and then titrated with EDTA solution (0,01 M) till the sample turns from red to blue.
Total hardness in mg/l = 10×ml of titrant used.

Control samples of  calcium carbonate should be used to calibrate the method.

Catalogus nummer: 16024.0500
UOM: 1 * 1 EA
Leverancier: VWR Chemicals

MSDS Certificaten New Product


Omschrijving: [RuCl(p-cymene)((S)-xylbinap)]Cl
Catalogus nummer: TCIAR0151-200MG
UOM: 1 * 200 mg
Leverancier: TCI


Omschrijving: 2,5-Dichlorophenylhydrazinium chloride
Catalogus nummer: MAYBSB01874.50
UOM: 1 * 50 g
Leverancier: Thermo Scientific


Omschrijving: Deze wegwerp-reagentiareservoirs zijn ontworpen voor applicaties met meerkanaalspipetten en bieden plaats aan maximum 12-kanaalspipetten. Gebruikers kunnen kiezen tussen opaak wit polyvinylchloride (PVC) of polystyreen (PS) met hoge helderheid in verschillende verpakkingsconfiguraties.
Catalogus nummer: BITX63300126
UOM: 1 * 100 ST
Leverancier: BIOTIX


Omschrijving: 2,5-Difluorophenylhydrazinium chloride
Catalogus nummer: MAYBBTB08668.1
UOM: 1 * 1 g
Leverancier: Thermo Scientific


Omschrijving: 2,5-Dimethyl-3-thiophenesulphonyl chloride
Catalogus nummer: MAYBMO00053DA
UOM: 1 * 1 g
Leverancier: Thermo Scientific


Omschrijving: 2,5-Dichlorothiophene-3-carbonyl chloride
Catalogus nummer: MAYBCD09458EA
UOM: 1 * 10 g
Leverancier: Thermo Scientific


Omschrijving: 4-Bromo-2,5-dichloro-3-thiophenesulphonyl chloride
Catalogus nummer: MAYBCD09555.10
UOM: 1 * 10 g
Leverancier: Thermo Scientific


Omschrijving: 2,5-Dichloro-4-nitro-3-thiophenesulphonyl chloride
Catalogus nummer: MAYBCD11390.250
UOM: 1 * 250 mg
Leverancier: Thermo Scientific


Omschrijving: Tetranitro blue tetrazolium ≥96.0% (by HPLC, titration analysis) for biochemical research
Catalogus nummer: TCIAT0250-100MG
UOM: 1 * 100 mg
Leverancier: TCI


Omschrijving: Cadmium(II) chloride hemipentahydrate ACS
Catalogus nummer: ACRO423500025
UOM: 1 * 2,5 kg
Leverancier: Thermo Fisher Scientific

MSDS


Omschrijving: Cadmium(II) chloride hemipentahydrate 79.5-81.0% ACS, Fluka™
Catalogus nummer: 239208-500G
UOM: 1 * 500 g
Leverancier: Honeywell Chemicals


Omschrijving: Tetrazolium blue chloride
Catalogus nummer: SERA35950.04
UOM: 1 * 1 g
Leverancier: Serva


Omschrijving: 2-Bromobenzenesulphonyl chloride
Catalogus nummer: MAYBTL00534.50
UOM: 1 * 50 g
Leverancier: Thermo Scientific


Omschrijving: Zinkchloride 25 mM in aqueous solution
Catalogus nummer: J62160.AE
UOM: 1 * 100 mL
Leverancier: Thermo Fisher Scientific

Omschrijving: Potassium chloride solutions referenced at 25 °C.
Catalogus nummer: CONSB561
UOM: 1 * 500 mL
Leverancier: CONSORT

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