Chem Service - Cinosulfuron is a sulfonylurea herbicide used in flooded rice fields for post-emergent control of grasses and broad-leaved weeds. High purity Cinosulfuron reference standards are now available. Order Part Number PS-2304 (read more)

Chem Service - Pyrifluquinazon is a new insecticide based on a new mode of biological activity. High purity Pyrifluquinazon reference standards are now available. Order Part Number PS-2344. (read more)

Covers the Key Colour Scales applied to Oils, Fuels & Chemicals

The range of Lovibond® colour reference standards includes AOCS-Tintometer, ASTM, Gardner, Lovibond® RYBN, Pt-Co/Hazen/APHA and Saybolt Colour, the key colour scales applied to oils, fuels & chemicals. Each standard is supplied in a 500 mL bottle with a 12-month guarantee of colour stability. (read more)

Easy to use Reference Library - New from Stock Drive/Sterling Instrument. Topics include both ELEMENTS OF METRIC GEAR TECHNOLOGY and HANDBOOK OF TIMING BELTS & PULLEYS. Browse easy to link to reference materials from SDP/SI's Reference Library. (read more)

Traceable® Conductivity Cal. Standards-Accuracy at 25°C is ±0.25 micromhos for 1, 5, and 10 micromho solutions and ±0.25% for other solutions or the uncertainty shown on the certificate, whichever is greater. A Traceable® Certificate is provided from our ISO 17025 cal lab accredited by A2LA. It indicates traceability to standards provided by NIST. (read more)

ICP & ICP-MS standards are assayed by validated ICP and wet chemical procedures to obtain the certified value. Every standard is traceable to a specified NIST SRM. The NIST-traceable density is available on the certificate. (read more)

We can prepare almost any inorganic blend under the sun. That's what makes us the leading manufacturer of custom inorganic standards. It's our area of expertise, and perhaps the most prominent way in which we flex to your specs. (read more)

Endress+Hauser's new, most precise flow calibration facility sets standards worldwide. The flowmeter calibration facility in Reinach, Switzerland, Greenwood, IN and other locations around the world embodies an outstanding concept, with the backing of a 22-strong team of highly qualified engineers, technicians and designers. (read more)

Based on a precision thermal dispersion mass flow sensor and highly intelligent digital electronics, the FlexMASSter™ ST98 Flow Meter Series from Fluid Components International now meets the Profibus-DP/-PA standards and includes its own Device Type Manager (DTM) software for use in large scale process and plant automation systems.

The ST98 with Profibus-DP/-PA and DTM... (read more)

So you need multiple channels, battery power, outstanding accuracy, and the ability to read many different sensor types—but you don't need all the power of a 1 ppm Super-Thermometer. We have the answer for you.

Hart's 1529 Chub-E4 Thermometer gives you four channels, three major sensor types, lab-quality accuracy, and a ton of great features, all at a price you'll love. (read more)