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Beskrivelse: Stab. with 0.5% calcium carbonate
Varenummer: L15518.03
UOM: 1 * 1 g
Leverandør: Thermo Fisher Scientific

Beskrivelse: Til mange forskellige mikrobiologiske applikationer.
Varenummer: 100580ZA
UOM: 1 * 20 Items
Leverandør: VWR Chemicals

Certifikater


Beskrivelse: USP Reference Standards are specified for use in conducting official USP–NF tests and assays. USP also provides Reference Standards specified in the Food Chemicals Codex as well as authentic substances—high-quality chemical samples—as a service to analytical, clinical, pharmaceutical and research laboratories. To confirm accuracy and reproducibility, USP Reference Standards are rigorously tested and evaluated by multiple independent laboratories including USP, commercial, regulatory, and academic labs. USP also provide publicly available, official documentary standards for pharmaceutical ingredients in the USP–NF that link directly with our primary reference standards.
Varenummer: 1086403.
UOM: 1 * 1 g
Leverandør: USP


Beskrivelse: Stabilized with 2% calcium carbonate
Varenummer: L04151.18
UOM: 1 * 50 g
Leverandør: Thermo Fisher Scientific

Beskrivelse: CRM's - secondary reference materials intended for standardisation of volumetric solutions in accordance with the Pharmacopoeia (Ph. Eur. and USP). These volumetric standards are prepared from high purity salts. Certified mass fraction is determined by classical analysis according to ISO/IEC 17025. Homogeneity and stability studies have been performed according to the requirements of ISO 17034 and ISO Guide 35. All volumetric standards are traceable to SI (NIST or BAM).
Varenummer: 88402.080
UOM: 1 * 80 g
Leverandør: VWR Chemicals

Beskrivelse: Stabilised with 2% calcium carbonate
Varenummer: APOSBIA6200-1G
UOM: 1 * 1 g
Leverandør: Apollo Scientific


Beskrivelse: Calciumcarbonat
Varenummer: ROTH6230.5
UOM: 1 * 25 kg
Leverandør: Roth Carl


Beskrivelse: Calciumcarbonat ≥99.0% ACS
Varenummer: 33295.36
UOM: 1 * 500 g
Leverandør: Thermo Fisher Scientific

Beskrivelse: Calciumcarbonat 99+% for biochemistry
Varenummer: ACRO192725000
UOM: 1 * 500 g
Leverandør: Thermo Fisher Scientific

MSDS


Beskrivelse: CALCIUM CARBONATE, LIGHT POWDER, USP is a naturally found common substance found in rocks and it is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate is used as a calcium supplement and as an antacid however excessive consumption can be hazardous. The USP grade indicates it is graded suitable for personal care, cosmetic and pharmaceutical applications.
Varenummer: SPCMCA130-500GM
UOM: 1 * 500 g
Leverandør: Spectrum Chemical

MSDS


Beskrivelse: Calciumcarbonat 99.95-100.05% ACS chelometric standard
Varenummer: 36399.36
UOM: 1 * 500 g
Leverandør: Thermo Fisher Scientific

Beskrivelse: Calciumcarbonat
Varenummer: ROTHP012.2
UOM: 1 * 1 kg
Leverandør: Roth Carl


Beskrivelse: Calciumcarbonat ≥98%
Varenummer: 12365.A3
UOM: 1 * 2 kg
Leverandør: Thermo Fisher Scientific

Beskrivelse:

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.

Varenummer: 16024.0500
UOM: 1 * 1 Each
Leverandør: VWR Chemicals

MSDS Certifikater New Product


Beskrivelse: Calciumcarbonat
Varenummer: ROTHP013.1
UOM: 1 * 500 g
Leverandør: Roth Carl


Beskrivelse: Calciumcarbonat 99+% ACS
Varenummer: ACRO423511000
UOM: 1 * 100 g
Leverandør: Thermo Fisher Scientific

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