General Chemistry Kits
Gold Biotechnology Inc Tris (Tris Base) 1 kg
GoldBio Tris has the highest purity available on the market. Short for Tris (hydroxymethyl) aminomethane (THAM), Tris is an organic compound often used in buffer solutions such as TAE or TBE for electrophoresis gels. Tris is highly soluble in water and is useful in the pH range 7.0-9.0. It is used in the preparation of Laemmli buffer, one of the most common SDS-PAGE buffers. In addition, Tris can also be used for many custom running and loading buffers, most often with glycine and SDS. The use of single-junction pH electrodes that contain silver should be avoided when determining the pH of a solution containing Tris buffer.
Hach Company Calcium Separation Set (for TNT852)
The Calcium Separation Set is required when conducting TNTplus tests for Cadmium (TNT852) in sample matrices that contain calcium or magnesium in excess of 50 mg/L. Use of this set is in addition to digestion (using TNT890) when measuring total Cadmium.
Hach Company Chlorine (Free and Total) Test Kit, Model CN-70
Simple, low-cost color disc method is the most accurate visual test kit method.*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
Hach Company Distillation Apparatus Set
Fast set-up for sample pretreatment. This Distillation set includes EPA approved glassware ONLY. Easy to set up because you only receive the parts you need. Illustrated, step-by-step procedures simplify distillation.*Heater and support not included.
Hach Company BART Test for Iron-Related Bacteria, pk/9
BART biodetectors are excellent diagnostic tools to help identify the presence of process disruptors, such as iron-reducing bacteria (IRB) that could be eating your pipes. An important agent involved in biofouling, IRB can cause corrosion, clogging, fouling, and hygiene risk.
Hach Company MEL/MF Total Coliform Laboratory
The Total Coliform MEL Laboratory is designed for analysts who need portable or small-scale microbiology testing capabilities. From a remote field location to a small scale microbiology lab within your existing lab, this MEL offers all the equipment and accessories to perform microbiological analysis.Contains: Portable Incubator and rack, Thermometer, Whirlpak bags with thiosulfate (200), Filter funnel/pad assemblies (200), alcohol burner (order alcohol separately), vacuum filtration apparatus, colony counter, and permanent marker.Choose and order media separately.
Hach Company MEL/MPN Total Coliform and E. coli Laboratory
This MEL provides all the hardware to carryout the Most Probable Number (MPN) method. In additon to potable water, the MPN method is ideal for wastewater samples and nonpotable samples, because the analyst can accomodate highly turbid samples which would otherwise require filtration. MEL/MPN Total Coliform and E. Coli Laboratory. Includes: portable Incubator, portable UV lamp, marker, thermometer and sampling/filtration consumables for 50 tests. Media is not included (order separately - see manual on Downloads page). For wastewater applications, order dilution water 1430598.
SCP Science SCP SCIENCE FLARED TUB/PVC O/Y
This item has a minimum qty of 2 per supplier requirements.
Educational Innovations FERROFLUID 100ML
Demonstrate magnetic fields in an incredible way! A ferrofluid is a liquid that becomes strongly magnetized in the presence of a magnetic field.
Hach Company MultiTest kit case (5.7 x 8.1 x 2.6 in), blue polypropylene
Durable blue polypropylene carrying case allows easy transport of items for field testing.
Hach Company Cone, Imhoff Settling, 1 L, Glass
Fully graduated cones for determination of small amounts of settleable matter in sewage by Imhoff Sedimentation Method. Glass cone features reinforced tip for ruggedness, while the Polycarbonate cone features a leak-proof, removable closure for withdrawal of sediment for analysis. Support ring, support stand, and cone holders available and sold separately.
Hach Company Chlorine (Free & Total) Color Disc Test Kit, Model CN-66
This color disc test kit uses powder DPD reagent that reacts with chlorine more quickly than tablet-form DPD, giving more accurate results. Powder DPD also has a considerable advantage over orthotolidine, a hazardous substance sometimes used as a free and total chlorine test reagent. Hach Chlorine Test Kits are manufactured by Hach to ensure compliance with stringent quality control standards. Kit contains 100 tests.*This product has not been evaluated to test for chlorine and chloramines in medical applications in the United States.
Hach Company Acidity Test Kit, Model AC-6
Acidity is usually caused by the presence of mineral acids, salts of strong acids, or free carbon dioxide. In surface or ground waters, acidity may be form natural substances or industrial pollution. Excessive levels cause corrosion and can be detrimental to fish. This kit, which utilizes drop count titration, now reads results in mg/L, with a conversion factor to gpg.