Meeting regulations in any industry, standards are essential for periodically checking the accuracy of equipment pieces. By comparing against the known values, output readings detect errors present and inform personnel adjustments are required. Once the settings of the manual or automatic instruments have returned to zero, the re-established conditions will yield optimal working performance. Calibrating with concentrated standards eliminates the possibility that environmental changes will induce instrumental miscalculation when accuracy matters most.
Elemental analysis standards, river sediment
Supplier: LGC Standards PROMOCHEM
River sediment - extractable metals, : N/A
Expand 1 Items
Combined density and refractometry standards
Supplier: Mettler - Toledo
These combined reference standards are intended to reduce uncertainty, eliminate time-consuming and error prone sample transfer and facilitate fully automatic performance verification.
Expand 2 Items
Alaska UST method AK101AA
Supplier: Restek
The alaska UST method consists of 14 components they are benzene, ethylbenzene, 1-ethyl-2-methylbenzene, 1-ethyl-3-methylbenzene, 1-ethyl-4-methylbenzene, isopropylbenzene (cumene), n-propylbenzene, toluene, 1,2,3-trimethylbenzene, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, m-xylene, o-xylene and p-xylene.
Expand 1 Items
Water hardness standard for ISE calibration, Orion™
Supplier: Thermo Orion
Water hardness standard for ISE calibration, Orion™, 100 ppm CaCO₃, : N/A
Expand 1 Items
DNPH reference materials
Supplier: Restek
The reported concentrations reflect the amount of aldehyde or ketone in the mixture.The concentration of derivatised aldehyde or ketone is not reported.
Expand 2 Items
Lead Standard Solution, 1000 mg/L in Diluted HNO₃ for ICP/MS
Supplier: CPACHEM
Standard de plomb, Lead [Pb] 1000 mg/L [HNO₃] Nitric acid 2 %, 1000 mg/L
Expand 1 Items
Arsenic Standard Solution, 1000 mg/L in Diluted HNO₃ for ICP/MS
Supplier: CPACHEM
Standard d'arsenic, Arsenic, 1000 mg/L, Matrice: 2% HNO₃
Expand 1 Items
Reference standards, nitrogen standard set, CRM, VHG
Supplier: LGC Standards PROMOCHEM
These calibration standards are intended for use in the determination of low level nitrogen by ASTM Method D4629.
Expand 1 Items
Reference standards, soil, BTEX - Loamy Sand 1, CRM
Supplier: LGC Standards PROMOCHEM
BTEX - Loamy Sand 1, (5 analytes), : N/A
Expand 1 Items
Reference materials, diesel fuel dilution Standards, VHG
Supplier: LGC Standards PROMOCHEM
These standards are intended for use in the determination of fuel (diesel fuel or gasoline) in used engine oils by GC, IR, fuel dilution meter (fuel sniffer), or flash point analyser. They are prepared gravimetrically from well-characterised fuels and hydrocarbon oils, and are verified by GC-FID in accordance with ASTM Method D3524 or D3525.
Expand 2 Items
62,4 mg/ml CuSO₄.5H₂O
Supplier: CPACHEM
The colour standard is specially intended for use in testing ChP and monographs. This solution was produced according to the specifications using ChP reagent quality components and water meeting the ChP monograph requirement for purified water.
Expand 1 Items
Hard Drinking Water UK Low Level Metals
Supplier: LGC Standards PROMOCHEM
Hard drinking water UK low level metals, : N/A
Expand 1 Items
Reference standards, biodiesel/diesel fuel Blends
Supplier: LGC Standards PROMOCHEM
These standards are intended for use as calibration and reference standards for the determination of fatty acid methyl esters (FAME) biodiesel content in diesel fuel by infrared (IR) spectroscopy. They are formulated specifically for use with ASTM Method D7371 and EN 14078.
Expand 13 Items
Standards for water pollution QC check, solids, VHG
Supplier: LGC Standards PROMOCHEM
This product is intended for use as a quality control check for methods related to total suspended solids (TSS), total dissolved solids (TDS), and total solids (TS).
Expand 2 Items
Elemental analysis standards, custom blend S-21+K, CONOSTAN
Supplier: LGC Standards PROMOCHEM
Custom blend S-21+K, CONOSTAN®, 885 ppm
Expand 1 Items
Reference materials, acid number standards, in hydrocarbon oil, VHG
Supplier: LGC Standards PROMOCHEM
These reference materials are intended for use in the determination of acid number (AN) in petroleum products in accordance with ASTM D664/IP 177 (by potentiometric titration) or ASTM D974 (by colour-indicator titration).
Expand 2 Items
Industrial sludge - leachable and total metals, NIST-2782
Supplier: LGC Standards PROMOCHEM
This standard reference material is intended primarily for use in the evaluation of methods used for the analysis of sludges and other materials of a similar matrix.
Expand 1 Items
Standards for water pollution QC check, sample hardness, VHG
Supplier: LGC Standards PROMOCHEM
This product is intended for use as a quality control check for methods related to hardness measurements includes calcium, magnesium, sodium, calcium hardness and total hardness as CaCO₃.
Expand 1 Items
Calibration gas cylinders
Supplier: M S A
The gas mixture in calibration gas cylinder is certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas constituents in volume, percent by mass, PPM, or volume is specified on the cylinder.
Expand 1 Items
Colour 500 Pt-Co units calibration standard, CRM
Supplier: LGC Standards PROMOCHEM
Colour standard solution Pt-Co, Pt-Co, 500 units colour
Expand 1 Items
Elemental analysis standards, portland cement type Ⅲ, NIST-1887B
Supplier: LGC Standards PROMOCHEM
These are intended primarily for the evaluation and calibration of methods for analysis of cements and materials of similar matrix.
Expand 1 Items
Elemental analysis standards, sulphur standards, CONOSTAN
Supplier: LGC Standards PROMOCHEM
Standard de sulfide, CONOSTAN®, Soufre, Matrice: Mineral oil, Applications: Industriel
Expand 1 Items
Reference materials, cloud point reference, VHG
Supplier: LGC Standards PROMOCHEM
These reference materials are intended for use in accordance with ASTM D2500 for the determination of the cloud point of petroleum products. The cloud point of a petroleum product is an index of the lowest temperature of their utility for certain applications.
Expand 1 Items
Metal alloy standards, cast iron (Ni-Cr-Mo), NIST, CRM
Supplier: LGC Standards PROMOCHEM
NIST-107C, cast iron (Ni-Cr-Mo)
Expand 1 Items
Gasoline Calibration Standard (3 Compound Mix) in Petroleum Ether
Supplier: REAGECON
Gasoline calibration standard (three compound mix) in petroleum ether is a ready to use standard used in fuel analysis as either a calibrant or analytical control solution. This standard is used in testing for a range of Aromatic and oxygenate compounds in gasoline in accordance with the ASTM D5845, using infrared (IR) instrumentation. The product can also be used to validate appropriate test methods or qualify an instrument in a regulated industry. The product is QC tested on a high performance GC-MS. This product is prepared gravimetrically on a weight/volume basis to a specification of ±2.5%
Expand 1 Items
Chemical Oxygen Demand COD 5000 mg/L Calibration Standard
Supplier: CPACHEM
Shelf life on ship date: 24 months - store in a refrigerator at temperatures between 2 to 8 °C.
Expand 1 Items
Lithium 6 Internal Standard
Supplier: LGC Standards PROMOCHEM
Standard de lithium, 100 µg/ml, Lithium, Matrice: 2% HNO₃
Expand 1 Items
Reference standard, water saturated octanol, NIST
Supplier: LGC Standards PROMOCHEM
NIST-2890, water saturated octanol, NIST
Expand 1 Items
Kerosene composite standards
Supplier: Restek
Kerosene composite standards are comprised of three separate sources blended in equal portions. It may exhibit lot-to-lot variation.
Expand 9 Items
Zinc Standard Solution
Supplier: WTW
Standard de zinc, Zinc standard solution, 1000 mg/L