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Supplier: VWR Chemicals
Description: A mixed indicator for the titration of the first hydrogen of phosphoric acid, range pH 3,5 to 6,0
Catalog Number: (87799.180)
Supplier: VWR Chemicals
Description: Solution of Bromothymol Blue R, Methyl Red R and Phenolphtthalein R in alcohol
UOM: 1 * 100 mL

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Catalog Number: (1.01359.0250)
Supplier: Merck
Description: pH Indicator solution '4.5' acc. to Mortimer, Supelco®
UOM: 1 * 250 mL

Supplier: VWR Chemicals
Description: Dosatest strips incorporate a colour scale and are ideal for determining pH values for coloured solutions.
Catalog Number: (ACRO422435000)
Supplier: Thermo Scientific
Description: pH Indicator solution universal in isopropanol (IPA), pure
UOM: 1 * 500 mL

SDS


Catalog Number: (31725.265)
Supplier: VWR Chemicals
Description: Litmus 2% in aqueous solution, TECHNICAL pH-indicator
UOM: 1 * 500 mL

Supplier: Merck
Description: Traditional pH indicator test papers, supplied on a 4,8 metre roll, consisting of high quality filter paper impregnated with indicator and mixed indicator solutions then dried and cut to size.
Supplier: Merck
Description: Traditional pH indicator test papers, supplied on a 4,8 metre roll, consisting of high quality filter paper impregnated with indicator and mixed indicator solutions then dried and cut to size.
Supplier: VWR Chemicals
Description: Methyl orange 0.04% in aqueous solution, TECHNICAL pH-indicator
Catalog Number: (87870.180)
Supplier: VWR Chemicals
Description: Colour change: pH 3.0 (orange) to pH 4.4 (olive-green)
UOM: 1 * 100 mL

Supplier: VWR Chemicals
Description: 1% solution in 50% ethanol.
Supplier: Merck
Description: These test strips contain special indicator dyes that are covalently bound to the reagent papers which are then adhered to the plastic strips.

SDS Sale

Catalog Number: (87702.180)
Supplier: VWR Chemicals
Description: Ferroin (1,10-phenanthrolineferrous sulphate complex) 0.025 mol/l in aqueous solution Reag. Ph. Eur. 1038100 redox indicator
UOM: 1 * 100 mL

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.

SDS Certificates New Product

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Phenol Red sodium salt is widely used as a pH indicator. At a pH of 6,4 and below, phenol red solution will have a yellow colour. At a pH of 8,2 and above, it will have a red colour. It is commonly used in culture media to detect neutral to acidic pH changes.

Catalog Number: (1.09176.0100)
Supplier: Merck
Description: Quick tests, visual colour comparision.
UOM: 1 * 100 mL

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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 on 0800 22 33 44.
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 on 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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