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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

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 Fisher Scientific
Description: pH Indicator solution universal in isopropanol (IPA), pure
UOM: 1 * 500 mL

MSDS


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

Supplier: VWR Chemicals
Description: Methyl orange 0.04% in aqueous solution 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: 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: (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: SIGMA ALDRICH MICROSCOPY
Description: 4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)₂ in alkaline solution. It is mainly used for determining the presence of magnesium in the solution. 4-(4-Nitrophenylazo)resorcinol is a pH indicator.

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

Catalog Number: (318701-500ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bromocresol green is a sulfonephthalein dye. It is mainly used for measuring serum albumin. In acidic conditions, bromocresol green interacts with albumin, thereby resulting in an increase in absorbance at 630 nm. The change in absorbance is linked with the concentration of albumin. Bromocresol Green is also a pH indicator, changing from yellow (pH 3.8) to blue color (5.4). It is widely used as a colloidal pigment.
UOM: 1 * 500 mL


Catalog Number: (88091.180)
Supplier: VWR Chemicals
Description: Standard solution (1000 ppm SO₄) R1 Reag. Ph. Eur. 5002801, 1000 mg/l, VWR®, Contents: K₂SO₄ in H₂O, Application: Pharmaceutical standards
UOM: 1 * 100 mL

Catalog Number: (88088.180)
Supplier: VWR Chemicals
Description: Nitrate standard solution, 1000 mg/l, VWR®, Contents: KNO₃ in H₂O, Application: Ion chromatography standards
UOM: 1 * 100 mL

Supplier: Hach
Description: Wide range of pH indicator solutions used for visual determination of pH, using test kits.

Supplier: Whatman products (Cytiva)
Description: Universal indicator strips which have been impregnated with a mixture of several indicators. On contact with the sample solution they assume a particular colour. A check against the colour comparision table supplied allows the pH to be determined.
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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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