29 Results for: "Kjeldahl Analysis"
VWR®, Total Nitrogen Standards (CRMs)
Supplier: VWR Chemicals
Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.
Expand 2 Items
Kjeldahl weighing paper, grade B-2, Whatman™
Supplier: Whatman products (Cytiva)
This weighing paper dissolves residue free in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil.
Expand 4 Items
Kjeldahl analysis weighing boats, Grade 609, Whatman™
Supplier: Whatman products (Cytiva)
Cytiva's Whatman parchment weighing boats are designed so users can collect, transfer and drop both sample and weighing boat into the acid solution during a Kjeldahl analysis without influencing analytical results.
Expand 1 Items
Standards for water analysis, total kjeldahl nitrogen standard, VHG
Supplier: LGC Standards PROMOCHEM
This standard solution is intended for use as a calibration standard for total kjeldahl nitrogen (TKN).
Expand 1 Items
Reagents for determination of ammonia and total kjeldahl nitrogen by the nessler method
Supplier: Hach
For determination of ammonia and total kjeldahl nitrogen by the nessler method. Solutions are available in self-contained dropping bottle.
Expand 3 Items
Recirculating coolers, F series
Supplier: JULABO GmbH
Environmentally friendly recirculating coolers that saves tap water, these units were designed for simple cooling tasks where reliable continuous operation is important. Due to their compact design, the coolers can be positioned either on or under laboratory bench tops. Units can be used with water, water/glycol or Julabo Thermal G. They are ideal for cooling rotary evaporators, Kjeldahl instruments, measurement cells, automated analysis systems, CCD cameras, polarimeters, refractometers, calorimeters and Soxhlet apparatus.
Expand 3 Items
Kjeldahl distillation systems, VAPODEST® 400 and VAPODEST® 450
Supplier: GERHARDT
The VAPODEST® 400 and 450 are designed with extended funtionality to allow easy, comfortable operation of Kjeldahl analysis.
Expand 3 Items
Automated Kjeldahl steam distillation units
Supplier: SELECTA
A range of compact distillation units for total nitrogen and protein analysis according to Kjeldahl, with the reservoirs for the H₂O and reagents located within the units. Three models are available depending on the level of sophistication and automation required. All the units have the same basic features including.
Expand 1 Items
Titrators, Titronic® 500 and TitroLine® 7000
Supplier: SI Analytics
TitroLine® 7000 automatic titrators are used in the laboratories of water supply companies, wastewater treatment plants, and the food and chemical industries. Typical applications include analysis of alkalinity and carbon dioxide, nitrogen (Kjeldahl), chloride, COD, acid number, iodine number and others. The Titronic® 500 piston burette is used in all industry sectors. Applications include all manual titration, dosing tasks and sample preparation.
Expand 6 Items
Kjeldahl tablets, Kjeltabs
Supplier: THOMPSON & CAPPER
Kjeldahl catalyst reagents in a convenient tablet form with a range of tablets to suit general and specific applications.
Expand 1 Items
Kjeldahl Digestion Units, Automatic, DKL
Supplier: VELP SCIENTIFIC
Fully automatic Kjeldahl digestion units for nitrogen analysis and protein determination that incorporate the TEMS™ technology for savings in terms of time, energy (as much as 35%), money and space. The unit also includes an aluminium block for absolute temperature homogeneity and shows excellent conductivity for fast response up to 450 °C. The unit has an LCD with real time display of process steps and the choice of up to six languages. There are 54 programs available of which 30 are pre-installed and 24 user-defined programs. All necessary items are supplied in one package.
Expand 4 Items
ANALYSIS UNIT KJELDAHL BEHROTEST 1 * 1 items
Supplier: BEHR
ANALYSIS UNIT KJELDAHL BEHROTEST 1 * 1 items
Expand 1 Items
ASM-IR behrotest analysis unit Kjeldahl for 12 samples, with distillation unit, fume eva- ecuator, burette, mag. stirrer consisting of: -digestion unit Inkjel1225P, for 12 x 250 ml - scrubber behrosog3 - distillation unit S3 - titration station STI 1 * 1 items
Supplier: BEHR
ASM-IR behrotest analysis unit Kjeldahl for 12 samples, with distillation unit, fume eva- ecuator, burette, mag. stirrer consisting of: -digestion unit Inkjel1225P, for 12 x 250 ml - scrubber behrosog3 - distillation unit S3 - titration station STI 1 * 1 items
Expand 1 Items
VWR® Kjeldahl Tablets
Supplier: VWR Chemicals
Kjeldahl tablets are catalysts that promote the digestion step of the Kjeldahl method for nitrogen determination.
Expand 40 Items
Selenium reagent mixture for the determination of nitrogen acc. to Wieninger
Supplier: VWR Chemicals
Selenium reagent mixture for the determination of nitrogen acc. to Wieninger
Expand 1 Items
Nitrogen-ammonia standard solutions
Supplier: Hach
For accuracy checks in ammonia nitrogen determinations.
Expand 3 Items
NANOCOLOR® Photometric Tube Test Kit for Total Kjeldahl Nitrogen
Supplier: MACHEREY-NAGEL
Photometric test kit for the determination of totoal Kjeldahl nitrogen in water samples.
Expand 1 Items
UDK Kjeldahl distillation units
Supplier: VELP SCIENTIFIC
The UDK Series distillers are designed to meet the most challenging demands and requirements for diverse applications, according to international standards: Kjeldahl nitrogen TKN, proteins, ammoniacal nitrogen, nitric nitrogen (Devarda), phenols, TVBN and volatile acids, cyanides, and alcohol content. Five different UDK models are available with different automation levels to match any laboratory requirement of automation and throughput. A complete range of distillers featuring exclusive technologies to meet any laboratory requirement for the determination of analytes in different fields of application.
Expand 6 Items
Qualitative filter papers, grade 802, Whatman™
Supplier: Whatman products (Cytiva)
A prepleated filter for use with a conical filter funnel, offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates.
Expand 7 Items
Qualitative filter papers, grade 201, Whatman™
Supplier: Whatman products (Cytiva)
A general qualitative filter for less critical routine analysis. Widely used in industrial laboratories and students laboratories for routine filtration.
Expand 9 Items
Qualitative filter papers, wet strengthened grades, grade 91, Whatman™
Supplier: Whatman products (Cytiva)
A general purpose creped cellulose filter for less critical routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration.
Expand 9 Items
Qualitative filter papers, Grade 226, Whatman™
Supplier: Whatman products (Cytiva)
A general qualitative filter with creped surface. Widely used in industrial or student laboratories for routine filtration.
Expand 4 Items
Qualitative filter papers, grade 230, Whatman™
Supplier: Whatman products (Cytiva)
A general qualitative filter with creped surface. Widely used in industrial laboratories and students laboratories for routine filtration.
Expand 11 Items
Orion Star™ T930 Ion Titrators
Supplier: Thermo Orion
Use the Orion Star T930 ion titrator for dedicated ion titrations including salt in foods, chloride in drinking and wastewater, ammonia and Total Kjeldahl Nitrogen (TKN) of wastewater, surfactants in consumer products and total hardness of water.
Expand 2 Items
Grade 113V qualitative filter papers, fluted, Whatman™
Supplier: Whatman products (Cytiva)
Cytiva's Whatman Grade 113V creped filter paper, for use with a conical filter funnel, offers fast filtration and high loading capacity for analysis involving coarse particles or gelatinous precipitates.
Expand 7 Items
Weighing papers, grade 2122, Whatman™
Supplier: Whatman products (Cytiva)
These Grade 2122 weigh paper sheets reliably allow samples to be transferred to scales without adding unwanted substances that could impact analytical results.
Expand 2 Items
Qualitative filter papers, grade 202, Whatman™
Supplier: Whatman products (Cytiva)
A general qualitative filter with creped surface. Faster than grade 201 and retains large crystalline coarse particles. Widely used in industrial laboratories and students laboratories for routine filtration.
Expand 11 Items
DK Series Digestion Units
Supplier: VELP SCIENTIFIC
DK digesters are traditional digesters, consisting of an aluminium heating block that offers excellent thermal homogeneity, heating up to 450 °C, providing accuracy and minimum energy consumption. DK Series Digesters are suitable for Kjeldahl digestion applications and selected models can be combined with accessories to perform COD and metal determination applications.
Expand 8 Items
Orion Star™ T940 All-in-One Titrators
Supplier: Thermo Orion
Use the Orion Star T940 all-in-one titrator for flexible pH, redox and ion concentration titrations including equivalence point titrations, preset pH or mV endpoint titrations plus multiple known addition (MKA) mode for automated known addition of various ions.