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5,5′-Dibromo BAPTA tetrapotassium salt ≥95% (by TLC) ion chelator, for calcium determination

Catalog Number: (50004.)

Supplier: Biotium

Description: BAPTA and its derivatives are calcium chelators that are commonly used to form calcium buffers with well-defined calcium concentrations. By injecting the chelators into cells or by incubating cells with the AM ester form of the chelators, one can control the cytosolic calcium concentration, an important means to study the roles of calcium.

UOM: 1 * 100 mg

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Xylenol orange tetrasodium salt, Supelco®

Supplier: Merck

Description: Xylenol orange tetrasodium salt, Supelco®

BAPTA tetracesium salt ≥95% (by TLC) ion chelator, for calcium determination

Catalog Number: (50001.)

Supplier: Biotium

Description: BAPTA and its derivatives are calcium chelators that are commonly used to form calcium buffers with well-defined calcium concentrations.

UOM: 1 * 1 g

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5,5’-Dimethyl BAPTA tetrapotassium salt ≥95% (by TLC) ion chelator, for calcium determination

Catalog Number: (50008.)

Supplier: Biotium

UOM: 1 * 100 mg

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Xylenol orange tetrasodium salt in ACS Reagent grade water, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Description: Xylenol orange tetrasodium salt is a fluorochrome acid dye with complexing and chelating properties that make it useful as an indicator in the spectrophotometric detection and assay of metal ions such as calcium, cadmium, bismuth, zinc, lead, and mercury. Its tetrasodium salt especially is used as an indicator in metal titrations. It changes color from yellow to red between pH 6.4 to 10.4. It has six potentially anionic substituents, one being sulfonate, and is anionic under staining conditions and during most laboratory applications.

EDTA tetrasodium salt ≥83%, TECHNICAL

Catalog Number: (20299.291)

Supplier: VWR Chemicals

Description: EDTA tetrasodium salt ≥83%, TECHNICAL

UOM: 1 * 1 kg

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Tetrasodium diphosphate decahydrate, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck

Description: Tetrasodium diphosphate decahydrate, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®

Phenolphthalein bisphosphate tetrasodium salt ~95%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Description: Phenolphthalein bisphosphate tetrasodium salt has been used as a component of modified Baird Parker (BP) agar to determine the expression of phosphatases of Staphylococcus aureus ATCC12600. It also been used as a component of modified Tryptose phosphate/phenolphthalein/methyl green (M-TPMG) agar to detect enteroinvasive Escherichia coli (EIEC) apyrase activity.