You Searched For: pH+Indicator+Papers+and+Test+Strips


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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: Merck
Description: Several reference materials for use in testing instruments are described in the European pharmacopoeias (e.g. Ph Eur. 2.2.6). In this case, the substances trimethylpentane, toluene and methylnaphthalene are prescribed. This instrument test should be carried out prior to every analysis. The comprehensive product range includes standards suitable for practically every operating range; the range 1,3915 to 1,6160 (20 °C) is covered.

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Catalog Number: (HACH2537733)
Supplier: Hach
Description: Indicator paper, Hydrogen sulphide test papers for test kit HS-C
UOM: 1 * 100 items


Supplier: CROSSTEX
Description: Biological sterilisation discs are used to perform sterilisation cycle validation in small areas of a device, where a standard-sized spore strip will not fit, such as within a syringe barrel, inside tubing, or under a cap. Spore discs are created by inoculating spore suspensions of certified population and resistance onto paper discs.
Supplier: WTW
Description: These proven and tested pH electrodes are easy to use and offer high quality and precision.

Catalog Number: (711-1991)
Supplier: MACHEREY-NAGEL
Description: The test is used for the quick and easy determination of the relative atmospheric humidity. The paper is simply exposed to the atmosphere in question. When the colour of the pad does not change anymore, the humidity can be read off.
UOM: 1 * 12 items

MSDS


Catalog Number: (MANA90765)
Supplier: MACHEREY-NAGEL
Description: The test paper allows the detection of protein contamination on surfaces and tools coming in contact with food. The test kit consists of 60 test strips with reagents.
UOM: 1 * 60 items

MSDS


Supplier: MACHEREY-NAGEL
Description: The 816 N version comes in a classic test paper reel. You can choose the required test paper length simply by tearing the paper. Thus, MN 816 N is especially suited to be dipped into solutions.
Supplier: MACHEREY-NAGEL
Description: These test papers allow quick and easy detection of hydrogen sulphide. This gas occurs in the processing of raw oil. It is toxic even in low concentrations. Therefore, critical points are carefully checked. Sulphide containing solutions also give a positive reaction.
Catalog Number: (MANA90750)
Supplier: MACHEREY-NAGEL
Description: The test paper allows the rapid detection of fluoride ions in solutions containing hydrochlorid acid.
UOM: 1 * 200 items

MSDS


Catalog Number: (711-1990)
Supplier: MACHEREY-NAGEL
Description: This test paper allows the rapid and reliable detection of oil contamination of water and soil.
UOM: 1 * 100 items

MSDS


Catalog Number: (MANA90730)
Supplier: MACHEREY-NAGEL
Description: This test paper allows the quick and easy detection of Nickel.
UOM: 1 * 200 items

Supplier: 3M MEDICAL
Description: Biological indicators provide the best assurance of sterility by challenging the steriliser with quantifiable, highly resistant spores. After sterilisation, the vial is 'crushed' to join the growth media with the processed spore strip. A colour change to yellow indicates surviving spores and a positive result. Biological indicators are used for load control monitoring which is the process by which a load is monitored and released based on the result of a biological indicator (BI) in a test pack.
Catalog Number: (MANA90724)
Supplier: MACHEREY-NAGEL
Description: This test paper allows the quick and easy detection of chromate (CrO<sub>⁴<sup>₃-</sup></sub>). Cr(III) ions must be converted to Chromate prior to the detection.
UOM: 1 * 200 items

MSDS


Catalog Number: (HACH2755325)
Supplier: Hach
Description: Ammonia (Nitrogen) is a product of microbiological decay of plant and animal protein. Its presence in raw surface waters usually indicates domestic or agricultural pollution. Above certain levels, it is toxic to fish.
UOM: 1 * 25 items


Catalog Number: (MANA90751)
Supplier: MACHEREY-NAGEL
Description: The test paper allows the easy determination of hydro sulphite (Sodium dithionite). It is used to determine the endpoint in the conversion of vat dyes to the leuco form. Because of the special purpose, indanthrene yellow paper is also called hydrosulphite paper.
UOM: 1 * 200 items

MSDS


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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 +353 1 88 22222.
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 +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-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 Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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