You Searched For: pH+Calibration+Buffers


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Supplier: Avantor
Description: Specially developed for dissolution testing of pharmaceutical dosage forms and drug discovery, easy to use DILUT-IT™ concentrates can reduce overall cost of ownership in the laboratory. Just add purified water and you are ready for testing.
Supplier: VWR Chemicals
Description: Buffer solutions, secondary standards, pH value: 3,776, ±0,010, Reference temperature: 25 °C, VWR®
Catalog Number: (85326.180)
Supplier: VWR Chemicals
Description: Ready to use test solutions (TS).
UOM: 1 * 100 mL

Supplier: Avantor
Description: The quality of many BAKER ANALYZED™ reagents meets or exceeds the requirements set forth by the American Chemical Society (ACS).

Supplier: Thermo Fisher Scientific
Description: Buffer used for pretreatment of planar silicon devices when plating with nickel plating solution products 44069 and 44070.
Supplier: Avantor
Description: Ready-to-use pH buffers are manufactured in large lots to stringent specifications and utilise quality control procedures to reduce lot-to-lot variability. You can eliminate the time and expense of preparation and standardisation of solutions, helping streamline high-volume analytical work in applications such as quality control.
Catalog Number: (85739.290)
Supplier: VWR Chemicals
Description: The reagent is specially intended for use in testing Ph Eur and monographs. This solution was produced according 4.1.1 of Ph Eur specifications using Ph Eur reagent quality components and water meeting the Ph Eur monograph requirement for purified water.
UOM: 1 * 1 L

Supplier: VWR Chemicals
Description:

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.

MSDS Certificates New Product

Supplier: Hach
Description: For calibration of pH meters

Supplier: Thermo Orion
Description: Perform accurate, reproducible pH calibrations with Orion™ pH buffers.
Supplier: REAGECON
Description: Colour coded pH buffer solutions for the calibration of pH meters.

Catalog Number: (662-8101)
Supplier: Mettler - Toledo
Description: pH buffer solution, pH value: 1,679
UOM: 1 * 250 mL

Supplier: Thermo Fisher Scientific
Description: pH Buffer solution, Citrate, pH value: 4,00, ±0,02, Colourless
Supplier: PanReac AppliChem
Description: pH Buffer solution, pH value: 7,00, Reference temperature: 20 °C
Supplier: Mettler - Toledo
Description: pH buffer, 3,9 M NaCl, pH value: 4,010, 250 ml

Supplier: Lovibond
Description: Ideal for preparing buffer solutions of 4, 7 and 10 pH units.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at +43 1 97002 - 0.
Dual use goods can only be delivered within the European Union.
Dual use goods can only be delivered within the European Union.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at +43 1 97002 - 0.
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