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Standards for photometric test Kits, NANOCONTROL

Leverandør: MACHEREY-NAGEL

Beskrivelse: Drinking water, for the determination of Aluminium, Ammonium, Chloride, Iron, Manganese, Sulphate, NANOCONTROL®, Multi standard, 0,50 mg/l Al(3+), 0,20 mg/l NH₄-N, 20 mg/l Cl-, 1,50 mg/l Fe3+, 1,50 mg/l Mn2+, 120 mg/l SO₄2

MSDS

Metals quality control standard for drinking water

Leverandør: Hach

Beskrivelse: These mixed standards are ready to use with no dilutions required. It include standards for determination of copper, iron and manganese.

Certifikater

NANOCOLOR® Photometric Standard Test Kits for Manganese

Leverandør: MACHEREY-NAGEL

Beskrivelse: Photometric test kits for the determination of manganese in water samples.

Certifikater New Product

Standards, calibration for LCK cuvettes, Addista

Leverandør: Hach

Beskrivelse: System for Analytical Quality Assurance (AQA), consisting of one combined standard/spiking solution and two round robin test solutions.

Certifikater

Tris-(hydroxymethyl) aminomethan (TRIS) til molekylærbiologi

Leverandør: MP Biomedicals

Beskrivelse: Tris has been useful as buffers in a wide variety of biological systems. Uses include pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications. Tris has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). Tris does not precipitate calcium salts and is of value in maintaining solubility of manganese salts. It can be used for the direct standardization of a strong acid solution; the equivalence point can be determined either potentiometrically or by use of a suitable indicator such as 3-(4-Dimethylamino-1-naphthylazo)-4-methoxybenzenesulfonic acid. It is an auxiliary material in pharmaceutical science.
Store at Room Temperature (15-30 °C). Store dessicated.

Tris-(hydroxymethyl) aminomethan (TRIS) ≥99.9%, white crystalline powder, Ultrapure

Leverandør: MP Biomedicals

Beskrivelse: Tris have been useful as buffers in a wide variety of biological systems. It has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). It does not precipitate calcium salts and is of value in maintaining solubility of manganese salts. It can be used for the direct standardization of a strong acid solution; the equivalence point can be determined either potentiometrically or by use of a suitable indicator such as 3-(4-Dimethylamino-1-naphthylazo)-4-methoxybenzenesulfonic acid. It is RNAse and DNAse-free. Tris is relatively non-hygroscopic ; but, if needed, it can be dried at 100 °C for up to 4 hours to remove any water.
Tris is used in pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications.Tris is used in assays used to characterize the activity and kinetics of the enzymes that catalyze SUMOylation of Small ubiquitin-like proteins (SUMO) and SUMO-dependent protein-protein interactions.