You searched for: Standards

Supplier: Ricca Chemical

Cupric Sulfate CS, USP/EP Blue Primary Solution, Ricca Chemical Company

Supplier: Electron Microscopy Sciences

Reflected light calibration slide with 0.1" length scale subdivided into 0.001" divisions.

Supplier: Hach

Used for determination of sulphite by burette iodometric titration.

Supplier: Electron Microscopy Sciences

Spray droplet sizing reticle for size and distribution assessments of aersol droplets. Used in conjunction with a 40x Microscope for direct measurements of droplets from 50 to 400 μm diameter.

Supplier: FIREFLYSCI, INC.

Kit consists of three filters and a blank for validating photometric accuracy and linearity in the range of 200 to 3000 nm.

Supplier: USP

(0.5 mL)

Supplier: USP

(50 mg)

Supplier: USP

(50 mg) (Calcium Formyltetrahydrofolate)

Supplier: FIREFLYSCI, INC.

FireflySci's equivalent of the NIST SRM 930e calibration reference kit for testing photometric accuracy in the VIS range (400 to 700 nm). This kit comes with Firefly's Lifetime Warranty and never requires recalibration.

Supplier: Hach

DPD chlorine, low range, 0 to 2 mg/L as Cl₂.

Supplier: Hach

Calibration solutions for Lico spectral colorimeter.

Supplier: Matrix Scientific

CAS #: 56-75-7
Molecular weight: 323.13
Melting point: 151°C
Molecular formula: C11H12Cl2N2O5
MDL #: MFCD00007360
Hazard code(s): Irritant

Supplier: Matrix Scientific

CAS #: 446-72-0
Molecular weight: 270.24
Molecular formula: C15H10O5
MDL #: MFCD00016952
Hazard code(s): Irritant

Supplier: Hach

TCMP - 2-chloro-6 (trichloromethyl) pyridine (N-Serve), coated on an inert substrate.

Supplier: USP

Particle count - Suspension - 25 mL: 15 µm Polystyrene microspheres in aqueous suspension
Particle count - Blank - 25 mL: Contains the aqueous phase without added particle

Supplier: Pickering Labs

This is an pesticide and herbicide analysis kit

Supplier: LUMINEX MS

MAGPIX® Calibration and Verification Kits, Luminex

Supplier: Invitrogen

This triple quadrupole calibration solution, extended mass range, is a mixture of 14 highly pure, ionizable components designed for both positive and negative ionization calibration of triple stage quadrupole instruments.