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4-(4-Nitrophenylazo)resorcinol 90% (dye content), Sigma-Aldrich®

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.

Product Image-HACH2329649

pH Indicator solution, wide range pH 4 - 10

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

Image Unavailable-318701-500ML

Bromocresol green sodium salt 0.04% in aqueous solution, Sigma-Aldrich®

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
Product Image-88088.180

VWR®, Standard solution (1000 ppm NO₃) for the preparation of nitrate standard solution (100 ppm NO₃) Reag. Ph. Eur.; 5002100

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

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Product Image-88091.180

VWR®, Standard solution (1000 ppm SO₄) for the preparation of sulphate standard solution (10 ppm SO₄) R1 Reag. Ph. Eur. 5002801

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

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Image Unavailable-DIUKUN10900-135

pH Indicator solution, full range pH 1-14

Catalog Number: (DIUKUN10900-135)
Supplier: DISTRIBUTOR
Description: pH Indicator solution, full range pH 1-14
UOM: 1 * 500 mL
Product Image-HACH21132

Phenol red solution pH-indicator (pH 6,5 - 8,5)

Supplier: Hach
Description: pH Indicator Solution

Product Image-WHAT10362010

pH indicator strips, Whatman™

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.

Certificates

Product Image-WHAT2600-500

pH Indicator papers, in Books, Whatman™

Catalog Number: (WHAT2600-500)
Supplier: Whatman products (Cytiva)
Description: These pH indicators 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 comparison table supplied allows the pH to be determined.
UOM: 1 * 100 items
Product Image-WHAT10362030

pH indicator papers, rolls, Whatman™

Catalog Number: (WHAT10362030)
Supplier: Whatman products (Cytiva)
Description: Universal indicator papers 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.
UOM: 1 * 1 Roll
Product Image-HACH2329232

Bromocresol green-methyl red solution pH-indicator

Supplier: Hach
Description: Bromcresol green-methyl red pH indicator solutions are used to determine alkalinity of water by titration method. APHA formulation.

Product Image-705-0112

TKN indicator solution

Catalog Number: (705-0112)
Supplier: Hach
Description: Indicator solution for pH adjustment in total kjeldahl nitrogen determination by the Nessler method.
UOM: 1 * 50 mL
Product Image-LOVI451771

pH indicator, universal reagents

Catalog Number: (LOVI451771)
Supplier: Lovibond
Description: Indicator for pH range 4,0 to 11.
UOM: 1 * 100 mL
Image Unavailable-34576-500ML

Methyl orange 0,1% in aqueous solution Reag. Ph. Eur. indicator, Fluka™

Catalog Number: (34576-500ML)
Supplier: Honeywell Chemicals
Description: Methyl orange 0,1% in aqueous solution Reag. Ph. Eur. indicator, Fluka™
UOM: 1 * 500 mL

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Image Unavailable-HACH14832

Methyl orange 0.05% in aqueous solution pH-indicator

Catalog Number: (HACH14832)
Supplier: Hach
Description: pH Indicator for acidity titrations
UOM: 1 * 1 items
Product Image-LOVI511750BT

pH indicator, phenol red tablets and solutions, Lovibond®

Supplier: Lovibond
Description: Indicator for pH range 6,5 to 8,4.

Certificates

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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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