2-Propanol EMPLURA® (Merck)
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Merck
Description
CAS Number: 67-63-0
Chemical Formula: CH₃CH(OH)CH₃
Molecular Weight: 60.1 g/mol
Synonyms: Isopropyl alcohol, Isopropanol, iso-Propanol, IPA
Quality Level: MQ200
Buffer tablets pH 6.8, Merck
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Merck
Description
Buffer tablets with a pH of 6.8 are recommended for the preparation of buffer solutions according to WEISE for the staining of blood smears. These tablets are used to make buffer solutions and pH-buffered staining solutions, specifically phosphate buffer solutions, which are commonly used in hematology. They are also used to dilute staining solutions and rinse stained samples during the staining process.
100 buffer tablets are sufficient for preparing 100 liters of buffer solution, and each solution can remain stable for up to four weeks. The buffer tablets according to WEISE are in vitro diagnostic products that are CE registered.
Buffer tablets pH 7.2, Merck
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Merck
Buffer tablets pH 7.2 – for preparing buffer solution acc. to WEISE for staining of blood smears, are used to prepare buffer solutions according to WEISE and pH-buffered staining solutions. Phosphate buffer solutions are used in hematology, for the dilution of staining solutions and for the rinsing steps in the staining process. The buffer tablets acc. to Weise will produce a buffered solution (pH6.4/pH6.8/pH7.2) that stabilizes the staining result and gives reproducible staining results. Buffer solution acc. to Weise pH 6.4 results in bright-orange stained erythrocytes and differentiated stained cells with nuclei, whereby the erythrocytes are stained orange when using pH 6.8. Buffer solution acc. to Weise pH 7.2 produces grayish stained erythrocytes and intense red-violet stained cells with nuclei.
100 tablets are sufficient for 100 l buffer solution, each produced solution can be stable up to 4 weeks. Buffer tablets acc. to Weise are IVD products and CE registered.
CombiTitrant 5 , 1L (Merck)
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Merck
Description
CAS Number : 7553-56-2
Density : 1.19 g/cm3 (20 °C)
One-component reagent for volumetric Karl Fischer titration 1 ml ≙ ca. 5 mg H₂O Aquastar®
Cyanide Test, Merck
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Merck
The method corresponds to DIN 38405-13 and is analogous to ISO 6703, EPA 335.2, APHA 4500-CN- E, and ASTM D2036-09 D.
This Spectroquant® Cyanide Reagent Test allows the accurate quantification of the free and readily liberated cyanide content in aqueous samples.
Method applied: Cyanide ions react with a chlorinating agent to form cyanogen chloride. In a follow-up reaction with 1,3-dimethylbarbituric acid in the presence of pyridine a violet dye (König reaction) is formed which is determined photometrically (only free cyanide. For readily liberated cyanide samples must be decomposed by digestion).
The Spectroquant® Reagent Test Kits contain highly stable, ready-to-use reagent mixtures to perform the analysis according to the procedure described in the accompanying instruction leaflet.
All our Cell and Reagent Test Kits are equipped with the unique Live ID which allows seamless method recognition and contains essential information such as lot number, expiry date, and automatic calibration updates.
DG 18 (Dichloran Glycerol Chloramphenicol) Agar (Base), Merck
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Merck
Description
This DG 18 (Dichloran glycerol chloramphenicol) agar (base) is tested according to ISO 21527 and FDA-BAM GranuCult®. DG 18 Agar is suitable to enumerate and isolate xenophilic moulds from dried and semi-dried foods such as dried fruits, spices, confectionery, cereals, nuts, and dried meat and fish products.
Digitonin, High Purity – CAS 11024-24-1 – Calbiochem (Merck)
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Merck
Description:
CAS Number : 11024-24-1
Empirical formula : C56H92O29
A non-ionic detergent commonly used to solubilize membrane-bound proteins.
EXtrelut® NT Refill pack for column fillings EXtrelut® NT 20 (Merck)
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Merck
Description:
CAS Number : 68855-54-9
Extrelut® NT simplifies liquid-liquid extraction in its most effective form by using a chemically inert, wide-pore and highly pure diatomaceous earth based solid phase. Depending on the sample volume three types of columns are available: Extrelut® NT1 can take up a maximum of one ml, Extrelut® NT3 three ml and Extrelut® NT20 up to twenty ml of sample.
Gram-Color Stain set for the Gram staining method-Merck
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Merck
Description
Gram-Color – stain set for the Gram staining method, is used for human-medical cell diagnosis and serves the purpose of the bacteriological investigation of sample material of human origin, for example smears of body fluids. The Gram-Color solutions are modified and designed in such a way that staining can be carried out in staining cells, on the staining rack, and also in automated staining systems. Gram-color modified, phenol-free is a staining set for staining microorganisms. Aniline dyes in the cell tissue of microorganisms form a red dye-iodine complex when exposed to iodine. Sodium hydrogen carbonate enhances the formation of this complex further still. In gram-positive microorganisms the dye-iodine complex cannot be subsequently dissolved from the cells by decolorizing agents such as alcohol or acetone. The cell remains dark blue in color. In gram-negative microorganisms the dye-iodine complex is dissolved and the cell turns red as a result of counterstaining with fuchsin. Gram-color modified, phenol-free is an IVD / CE product.
The package is sufficient for 250 applications. For further information, please see the IFU which can be found in the kit.
Hydroxynaphthol blue metal (pM) indicator (Merck)
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Merck
Description
Cas Number : 63451-35-4
Molar mass : 620.47 g/mol
Chemical formula : : : C₂₀H₁₁N₂Na₃O₁₁S₃
Synonyms : 2,2′-Dihydroxy-1,1′-azonaphthalene-3′,4,6′-trisulfonic acidtrisodiumsalt.
Kjeldahl Tablets for Wieninger Method, Merck
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Merck
Kjeldahl tablets for Wieninger method 5g/tablet.
Type: Wieninger catalyst Composition:
Na2SO4 – 96.5%
CuSO4 – 1.5%
Se – 2.0%
Kjeldahl tablets is grey colour in its appearance. Grey colour of the product is caused by raw material and does not affect the application.
L-Ornithine Monohydrochloride for Biochemistry (Merck)
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Merck
Description
CAS number: 3184-13-2
Linear Formula: C₅H₁₂N₂O₂ * ClH
Molecular Weight: 168.62
Synonym: L(+)-2,5-Diamino valeric acid hydrochloride
Application
L-Ornithine monohydrochloride for biochemistry.
LB agar (MILLER) for Microbiology (Merck)
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Merck
Description
LB Agar Miller from Merck is a commonly used medium in microbiology laboratories and is suitable for routine bacterial culture and transformation experiments. It is a formulation of Luria-Bertani (LB) agar developed by Miller, which includes a mixture of peptides, amino acids, and vitamins to support the growth of a wide range of bacteria.
Magnesium Sulfate Anhydrous for Analysis EMSURE® (Merck)
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Merck
Description
CAS number: 7487-88-9
Chemical Formula: MgSO₄
Molar Mass: 120.37 g/mol
Synonyms: –
EMSURE® is our premium line of inorganic reagents and solvents that are specifically designed to meet the needs of regulated analyses and demanding laboratory applications. Our products are of the highest quality and have a comprehensive range of specifications that provide you with precise control over test conditions and eliminate any uncertainties. Additionally, our EMSURE® reagents and solvents meet all international regulations, making them ideal for use in a wide variety of applications. If you want to ensure the utmost precision in your work, choose EMSURE®.
n-Hexane for analysis EMSURE® ACS (Merck)
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Merck
CAS no.: 110-54-3
Grade: For analysis EMSURE® ACS
Chemical Formula: CH₃(CH₂)₄CH₃
Synonym: –
Quality level: MQ300
Product specification and SDS for n-Hexane for analysis EMSURE®.
n-Hexane for Gas Chromatography MS SupraSolv®, Merck
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Merck
Description
CAS number: 110-54-3
Chemical Formula: CH₃(CH₂)₄CH₃
Molar Mass: 86.18 g/mol
Synonyms: –
SupraSolv® MS is specifically designed for gas chromatography coupled with mass spectrometric detection. SupraSolv® solvents are known for providing the widest specified retention time range, a clear baseline, and a minimal signal-to-noise ratio. This results in highly reliable and reproducible analysis outcomes.
n-Hexane For Liquid Chromatography LiChrosolv® (Merck)
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Merck
Description
CAS number: 110-54-3
Chemical Formula: CH₃(CH₂)₄CH₃
Molar Mass: 86.18 g/mol
Synonyms: –
For perfect high-performance liquid chromatography (HPLC) results, high-performance solvents are a must. LiChrosolv® solvents from Merck are designed to optimally support analytical HPLC, fast chromatography, and LC-MS applications.
OmniPur Water, WFI Quality, Sterile Purified Water, Cell Culture Tested – CAS7732-18-5
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Merck
** This product has been discontinued.
OmniPur Water is sterile water that is tested to be DNase free, Protease free, RNase free and bacterial free.
It is suitable to be used in:
- Cell Biology
- Cell culture media preparation, extraction buffer, Molecular work, reconstitute of compound
- Diluent for live cells staining
- Sterile solution preparation Microbiology Sample Preparation
- Diluent and rinsing reagent in Microbial Membrane Filtration
Key Specification:
- Sterile by USP Standard
- DNase, RNase, Protease-Free
- < 500 ppb Total Organic Carbon
- < 0.025 EU/ml Bacterial Endotoxin
Potassium Nitrate for Analysis EMSURE® ISO,Reag. Ph Eur
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Merck
Description
CAS number: 7757-79-1
Chemical Formula: KNO₃
Molar Mass: 101.10 g/mol
Synonyms: Nitric acid potassium salt
Specifications:
| Assay (alkalimetric) | ≥ 99.0 % |
| pH-value (5 %; water) | 5.0 – 7.5 |
| Chloride (Cl) | ≤ 0.001 % |
| Iodate (IO₃) | ≤ 0.0005 % |
| Nitrite (NO₂) | ≤ 0.001 % |
| Phosphate (PO₄) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.003 % |
| Heavy metals (as Pb) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.001 % |
| Cu (Copper) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0003 % |
| Mg (Magnesium) | ≤ 0.0015 % |
| Na (Sodium) | ≤ 0.02 % |
| NH₄ (Ammonium) | ≤ 0.001 % |
| Pb (Lead) | ≤ 0.0001 % |
| Corresponds to ISO,Reag. Ph Eur | |
Silica gel 60 (0.040-0.063 mm) for Column Chromatography (Merck)
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Merck
Description
Silica gel is a type of stationary phase material used in column chromatography, a separation technique that separates components of a mixture based on their chemical properties. The silica gel 60 offered by Merck has a particle size of 0.040-0.063 mm, which is equivalent to 230-400 mesh according to the ASTM standard. This makes it suitable for use in column chromatography applications where a fine, uniform particle size is required for efficient separation of target compounds. Merck’s Silica Gel 60 is a high-quality product that is widely used in research and industrial laboratories for various chromatography applications.
Silica gel 60 (0.063-0.200 mm) for column chromatography (70-230 mesh ASTM)-Merck
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Merck
Description
Cas Number : 7631-86-9
Molecular mass : 60.08 g/mol
Chemical formula : SiO₂
Silica gel 60 (0.063-0.200 mm) for column chromatography (70-230 mesh ASTM). CAS No. 7631-86-9, EC Number 231-545-4.
Tetrahydrofuran for analysis EMSURE® ACS,Reag. Ph Eur (Merck)
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Merck
Description
CAS number: 109-99-9
Chemical Formula: C₄H₈O
Molar Mass: 72.11 g/mol
Synonyms: THF, Tetramethylene oxide, Oxolane, Butylene oxide
EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.
Product Specification and MSDS for Tetrahydrofuran EMSURE® (Merck).
TLC Silica gel 60 F₂₅₄ (5×10 cm) Merck
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Merck
Description
For thin-layer chromatography applications, we offer Aluminum TLC plates that are coated with silica gel containing a fluorescent indicator F254. These silica gel TLC plates are available in a set of 50 and measure 5×10 cm. Our classical silica TLC plates are created by combining our established silica gel 60 with a unique polymeric binder. This combination produces a very adherent and robust surface that will not crack or blister and can even withstand writing with a pencil without risking damage to the layer.
TLC Silica gel 60 F₂₅₄, (20×20 cm) – Merck
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Merck
Description
For thin-layer chromatography applications, we offer Aluminum TLC plates that are coated with silica gel containing a fluorescent indicator F254. These silica gel TLC plates are available in a set of 25 and measure 20x20cm. Our classical silica TLC plates are created by combining our established silica gel 60 with a unique polymeric binder. This combination produces a very adherent and robust surface that will not crack or blister and can even withstand writing with a pencil without risking damage to the layer.
