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3217 results for "Ammonium+Standards&amp"

 

VWR® pH 2500L, pH/mV/°C Bench Meter, with Colour Graphic Touch Screen

VWR® pH 2500L, pH/mV/°C Bench Meter, with Colour Graphic Touch Screen

Supplier: VWR Collection

The user friendly instrument is distinguished by a large a 127 mm colour graphic touch screen. The meter can be used for accurate measurements of pH, mV and temperature. This pH meter enables simultaneous measurements displaying and storing of two functions (pH and temperature).

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VWR® Semi-Micro Balances, SM Classic: LCD Display

VWR® Semi-Micro Balances, SM Classic: LCD Display

Supplier: VWR Collection

These semi-micro balances have a resolution of 0,01 mg and are equipped with a new highly integrated electromagnetic cell. All models feature automatic internal calibration and are characterised by their high level of precision and repeatability. They provide an excellent price/performance ratio, thanks to continuous intensive research and study of how weighing works. All models have a stainless steel top pan.

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Centrifugal devices, Nanosep® and Nanosep® MF

Centrifugal devices, Nanosep® and Nanosep® MF

Supplier: CYTIVA PALL

These devices are used for simple, reliable concentrating and desalting of 50 to 500 μl samples. Select the low protein binding Omega™ membrane for ultrafiltration applications. The Bio-Inert® membrane is ideal for microfiltration of biological solutions. The GHP membrane is ideal for sample preparation in analytical chemistry (HPLC, GC, IC and MS). It is suitable for aqueous, organic and aggressive organic samples, and for rapid processing of samples.

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Mixed cellulose ester membranes, non-sterile, 1,2 µm, Whatman™

Mixed cellulose ester membranes, non-sterile, 1,2 µm, Whatman™

Supplier: CYTIVA WHATMAN

Mixed cellulose ester, WME range, circles. Whatman mixed cellulose ester membranes are composed of cellulose acetate and cellulose nitrate. These membranes are characterized by a smoother and more uniform surface than pure nitrocellulose filters.

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Corning® Microplate Lids

Corning® Microplate Lids

Supplier: CORNING SCIENCE PRODUCTS

All lids are made of rigid polystyrene except where indicated.

   Sustainable Options Available
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Bottle-top dispensers, Dispensette® S

Bottle-top dispensers, Dispensette® S

Supplier: BRAND

Fixed volume or variable volume, analogue-adjustable or digital easy calibration.

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Slim Jim® Impressions™ Step-On Containers

Slim Jim® Impressions™ Step-On Containers

Supplier: RUBBERMAID

The Impressions™ Step-On container features a slim profile and small footprint to fit the tightest spaces. Impressions™ Step-on containers are constructed with premium-quality materials and meet the needs of any environment with efficiency, safety, and durability.

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96-well permeable support systems and plates, HTS Transwell®

96-well permeable support systems and plates, HTS Transwell®

Supplier: CORNING SCIENCE PRODUCTS

Permeable supports for HTS (high throughput screening) applications are excellent for ADMET screening, drug transport, and other assays.

   Sustainable Options Available
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VWR® PFAS Kit

VWR® PFAS Kit

Supplier: VWR Collection

Vials, PP, 1,5 ml with 9 mm Short thread cap, Silicone/Polypropylene.

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VWR® PFAS Kits, 0,7 ml PP Vials with 11 mm Snap Ring Cap, Silicone/Polypropylene

VWR® PFAS Kits, 0,7 ml PP Vials with 11 mm Snap Ring Cap, Silicone/Polypropylene

Supplier: VWR Collection

PFAS stands for per- and polyfluoroalkyl substances, and are colloquially known as ‘forever chemicals’. Available with or without a pre-slit septum.

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Cut and flame resistant gloves, ActivArmr® 80-813

Cut and flame resistant gloves, ActivArmr® 80-813

Supplier: Ansell

These knitted gloves combine outstanding flame resistance, high cut protection and ergonomic design. The exclusive composite yarn made of Modacrylic, glass fiber and Kevlar® provides exceptional cut resistance for safe handling of sharp objects and materials.

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Bottle-top dispensers, Dispensette® S Organic

Bottle-top dispensers, Dispensette® S Organic

Supplier: BRAND

Fixed volume or variable volume, analogue-adjustable or digital easy calibration.

   Sustainable Options Available
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Cell culture vessels, Corning® HYPERflask™ M, CellBIND® treated

Cell culture vessels, Corning® HYPERflask™ M, CellBIND® treated

Supplier: CORNING SCIENCE PRODUCTS

Optically clear polystyrene flasks feature a straight neck, flat-top cap, with or without bar code for use manually or with automated systems. No refrigeration or special handling required.

   Sustainable Options Available
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VWR® PFAS Short Thread or Snap Ring Caps

VWR® PFAS Short Thread or Snap Ring Caps

Supplier: VWR Collection

PFAS PP short thread caps or PE snap ring caps, light green, with hole. White silicone/transparent polypropylene, for PFAS analysis.

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VWR® Professional, Pipette Calibration Balances

VWR® Professional, Pipette Calibration Balances

Supplier: VWR Collection

Pipetting accuracy is critical for successful experiments: A small inaccuracy in pipetting can result in important variations in results. The pipette check function of these touchscreen balances allows the user to check if the pipette is still accurate, as per directive ISO 8655 'Piston-operated volumetric apparatus - Gravimetric methods for the determination of measurement error' and customisable methods.

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Ultra-microbalances and Microbalances, Excellence XP Series

Supplier: METTLER TOLEDO

A range of high performance microbalances with the XP interface that delivers levels of control and safety that are required for regulated environments.

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Marco Cells for Absorption Measurements with PTFE Lids, Hellma Analytics

Marco Cells for Absorption Measurements with PTFE Lids, Hellma Analytics

Supplier: HELLMA

Hellma® macro cells for absorption measurements in the Vis range, 10 mm path length, with lid.

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Bottle top vacuum filtration units, Rapid-Flow™ Nalgene®

Bottle top vacuum filtration units, Rapid-Flow™ Nalgene®

Supplier: Thermo Fisher Scientific

Rapid-Flow™ single use bottle tops with PES membrane and PS funnel. Filters screw onto glass media bottles with 33 or 45 mm neck size. They feature the exclusive Rapid-Flow support column design, providing fast flow rates and high throughput.

   Sustainable Options Available
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Cells for Absorption Measurements

Cells for Absorption Measurements

Supplier: HELLMA

Hellma® macro cells for absorption measurements in the Vis range, 10 mm or 50 mm path length, with lid.

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Labware value pack, Nalgene®

Labware value pack, Nalgene®

Supplier: Thermo Fisher Scientific

Labware Value Pack is a useful assortment of popular labware items used in every lab.

   Sustainable Options Available
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Wall washing systems, VertiKlean®

Wall washing systems, VertiKlean®

Supplier: CONTEC

These lightweight, polyester disposable mops are excellent for applying disinfectants and for wet cleaning of vertical surfaces, ceilings, and walls in controlled environments. Ideal for reaching awkward corners and ceilings with a complete range of motion.

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Test kits, nitrogen (total) cell tests, Spectroquant®, Supelco®

Test kits, nitrogen (total) cell tests, Spectroquant®, Supelco®

Supplier: MERCK MILLIPORE

All Spectroquant® test kits can be used with the Prove range of spectrophotometers and Nova 60/60A instruments. Tests can be used not only on photometers and spectrophotometer from Merck, but also on photometers and spectrophotometers from other suppliers (programming details available on request).

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VWR® SMG Advanced Semi-Micro Balances, Graphic Display

VWR® SMG Advanced Semi-Micro Balances, Graphic Display

Supplier: VWR Collection

Semi-micro balances with resolution of 0,01 mg, they are equipped with a new highly integrated electromagnetic cell. All models feature automatic internal calibration and are characterised by a high level of precision and repeatability. These VWR® semi-micro balances provide an excellent price/performance ratio, thanks to continuous intensive research and study of how weighing works. All models have a stainless steel top pan.

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VWR® Auto lite, Automatic Colony Counters

VWR® Auto lite, Automatic Colony Counters

Supplier: VWR Collection

Auto lite is the latest affordable, automated colony counting device. It is available in one configuration and features simple to use software that greatly improves efficiency, reliability and productivity. Auto lite software uses a powerful algorithm for colony counting on pour and spiral plates. A colony separator automatically splits touching colonies to further improve the accuracy of the counting process.

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VWR® Advanced 15000 Orbital Shakers

VWR® Advanced 15000 Orbital Shakers

Supplier: VWR Collection

Digital shakers with microprocessor control which are ideal for mixing applications with very heavy loads and larger vessels, e.g. cell cultures, solubility studies and extraction procedures. Variable speed control provides consistent, uniform shaking action. The Accu-drive shaking system delivers exceptional speed control, accuracy, safety and durability, the system continuously monitors shaking speed and will maintain the set point even under changing loads.

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Filtration Crucibles

Filtration Crucibles

Supplier: ROBU GLASFILTER

ROBU® Filter Crucibles with intergrated VitraPOR® filter provide efficient filtration for laboratory applications. Made from durable materials, these crucibles are designed for high-performance filtration, offering reliable separation of solids and liquids. Ideal for gravimetric analysis and other precise filtration processes.

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PerfeCTa® MultiPlex qPCR ToughMix®

PerfeCTa® MultiPlex qPCR ToughMix®

Supplier: QIAGEN BEVERLY

PerfeCTa® MultiPlex qPCR ToughMix® is a 5X concentrated, ready to use reaction cocktail for Real-Time quantitative PCR (qPCR) that overcomes many known inhibitors of PCR often present in crude samples extracted from environmental specimens, plant tissues, or animal tissues. It contains all components, except primers, probes and templates. The 5X concentrated ToughMix® allows addition of higher amounts of template and improved detection sensitivity with low concentration samples. PerfeCta® MultiPlex qPCR ToughMix® has been optimised to deliver maximum PCR efficiency, sensitivity, and specificity in reduced reaction volumes with fast cycle or conventional PCR cycling protocols.

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VWR® Advanced 10000 Orbital Shakers

VWR® Advanced 10000 Orbital Shakers

Supplier: VWR Collection

Digital shakers with microprocessor control which are ideal for mixing applications with heavy loads, e.g. cell cultures, solubility studies and extraction procedures. Variable speed control provides consistent, uniform shaking action. The Accu-drive shaking system delivers exceptional speed control, accuracy, safety and durability, the system continuously monitors shaking speed and will maintain the set point even under changing loads.

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VWR® Micro Star 30R Microcentrifuge, High Speed, Universal, Refrigerated

VWR® Micro Star 30R Microcentrifuge, High Speed, Universal, Refrigerated

Supplier: VWR Collection

The compact Micro Star 30R refrigerated centrifuge is an economic, versatile and easy to use cross-over centrifuge which combines the features of a high speed microcentrifuge and a multipurpose centrifuge. This quiet and smooth running centrifuge accommodates rotors for microtubes (24×1,5/2,0 ml), microplates and 15/50 ml conical tubes as well as a 16-place rotor for 5 ml tubes and a swing-bucket rotor for six blood collection tubes. Ideal for use in life science, biotechnology laboratories and clinical laboratories.

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Macro Cells, Optical Glass for Absorption Measurements, Hellma Analytics

Macro Cells, Optical Glass for Absorption Measurements, Hellma Analytics

Supplier: HELLMA

Hellma® high precision macro cells made from special optical glass for absorption measurements in the Vis range, 2 to 100 mm path length, with lid.

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