Wastewater Standards
ERA WATERS CORP WP COLIFORM MICROBE QC STAND
WasteWatR Coliforms Two lyophilized samples consist of one negative sample and one positive to be quantitated for total, fecal and E. coli coliforms.
Hach Company Titration Application Pack, Food & Beverage: pH, Total Acidity & SO₂ in wine
Application Pack for the determination of pH, Total Acidity and Free & Total SO2 in wine. Suited for TitraLab AT1000 Series, Automatic Titrator Model AT1222.
AccuStandard, Inc NITRATE STD IN WATER 1000 PPM
Anion Standard - Nitrate as Nitrogen. 100 mL. 1000 ?g/mL in 10% Hydrochloric acid.
Medchemexpress LLC Cys modifier 1 | 2374314-08-4 | 381.34 | 10 MG
Cys modifier 1 (compound 7) is a cysteine-selective protein modifier for protein bioconjugation. It is a fluorescent carbonylacrylic derivative bearing nitrobenzofurazan (λex=465nm and λem=539 nm).
- Cysteine-selective protein modifier
- Fluorescent (λex=465nm and λem=539 nm)
Medchemexpress LLC Cys modifier 1 10mM 1mL | 2374314-08-4 | 381.34 | 1 ML
Cys modifier 1 (compound 7) is described as a cysteine-selective protein modifier used for protein bioconjugation. It is a fluorescent carbonylacrylic derivative that bears nitrobenzofurazan, with an excitation wavelength (λex) of 465 nm and an emission wavelength (λem) of 539 nm.
- Target: Fluorescent dye
- Pathway: Others
- Storage: Powder stable for 3 years at -20°C and 2 years at 4°C; In solvent stable for 6 months at -80°C and 1 month at -20°C
Hach Company Acidity Reagent Set, Digital Titrator
For determination of acidity by Digital Titrator titration, with Methyl Orange (using bromphenol blue indicator) and Phenopthalein endpoints. Hach Methods 8201 (Methyl Orange) and 8202 (Phenolpthalein). Ranges: 10-160 and 1000-4000 mg/L as CaCO3. Reagent Set includes: Bromphenol Blue Powder Pillows, Phenolphthalein Powder Pillows and two Sodium Hydroxide Cartridges (0.1600 N and 1.600N). Approximately 40 - 100 tests