If you have ever questioned the result of an analytical test, you'll immediately appreciate the value of using standard solutions. These solutions contain a defined concentration of analyte, allowing you to quickly verify that instrument operation, reagent performance, and variations in operator…

Paraformaldehyde – methanol free solution. A more efficient and rapid penetrant fixative used in combination with Glutaraldehyde and Acrolein fixatives. Easy to break, prescored, 10 ml ampoules sealed under inert gas, or 100 ml bottles. In addition to our complete line of Formaldehyde…

MDL Number: MFCD00003274

Concentration: 37% Aqueous Composition: Water 48%, Formaldehyde 36.99%, Methyl Alcohol 14.99%, Sodium Hydroxide 0.02% Boiling Point: Approximately 96°C Density: 1.1 Color: Colorless liquid Physical State: Liquid Flash Point: 60°C pH Range: 8.6 Solubility Information: Miscible Shelf…

Harmonized #: 2833.25.0000 0000 Shelf Life (months): 24 Specific Gravity: 1.04 DOT: Not regulated Appearance: Blue Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: Health

Gelman Sciences Supor S-Pack contains 0.2-µm, 47-mm membrane filters designed for the Membrane Filtration technique. Membranes have superior retention characteristics and flow rate. Membranes work well for isolating and enumerating Pseudomonas sp., especially stressed organisms from process water…

Synonym(s): IEF-Marker fluorescent pI 8.7 MDL Number: MFCD03099332 Storage: 2-8°C

Synonym(s): IEF-Marker fluorescent pI 10.3 MDL Number: MFCD03099319 Storage: 2-8°C

100 ng/μL in acetonitrile, PESTANAL ® , analytical standard Synonym(s): 3-Chloro- N -(3-chloro-2,6-dinitro-4-trifluoromethylphenyl)-5-trifluoromethyl-2-pyridylamine Empirical Formula: C₁₃H₄Cl₂F₆N₄O₄ Formula…

Improved reagent for determination of Free Ammonia by the Indophenol method. Replaces 2877336. Requires new procedure and instrument software update. Hach Method 10201 4mL self contained dropper bottle (SCDB).

Concentration: 37% Aqueous Composition: Water 48%, Formaldehyde 37%, Methyl Alcohol 15% Grade: ACS Reagent Boiling Point: Approximately 96°C Density: 1.07 Molecular Weight: 30.03 g/mol Color: Colorless liquid Physical State: Liquid Flash Point: 60°C Solubility Information: Miscible…

100 ng/μL in cyclohexane, PESTANAL ® , analytical standard MDL Number: MFCD00055407 Storage: 2-8°C Beilstein Registry Number: 8983553 RIDADR: UN 1145 3 / PGII

Harmonized #: 3822.00.0002 5090 Shelf Life (months): 24 Specific Gravity: 1.25 DOT: UN1824, SODIUM HYDROXIDE SOLUTION, 8, II Appearance: Colorless Physical State: Liquid Flash Point: Not applicable Solubility: Miscible Storage Temperature: Ambient Storage Code: Corrosive

Filling solution for Sodium Ion Selective Electrode (ISENa381), Ammonium Chloride (NH4Cl), 0.02 M, 59 mL bottle.

ACS Grade CAS No. 7783-85-9 Fe(NH4)2(SO4)2·...6H2O FW = 392.14

Composition: Water 93.34%, Copper Sulfate Pentahydrate 6.66% Boiling Point: Approximately 100°C Density: 1.04 Melting Point: Approximately 0°C Color: Blue liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: NOT REGULATED.

APHA, High Range COD

Concentration: 37% Composition: Water 48%, Formaldehyde 37%, Methyl Alcohol 15% Grade: Purified Boiling Point: Approximately 96°C Density: 1.07 Molecular Weight: 30.03 g/mol Color: Colorless liquid Physical State: Liquid Flash Point: 60°C Solubility Information: Miscible Shelf…

for fluorescence, ≥95.0% (HPLC) Purity: ≥95.0% (HPLC) Storage: 2-8°C

stabilized with methanol, ~37 wt. % in H₂O, analytical standard Synonym(s): Formalin Empirical Formula: CH₂O Formula Weight: 30.03 Linear Formula: HCHO MDL Number: MFCD00003274 Density: 1.09 g/mL at 25 °C(lit.) Storage: room…

Empirical Formula: C₇H₆ClFZn Linear Formula: FC₆H₄CH₂ZnCl Formula Weight: 209.96 MDL Number: MFCD01319877 Density: 0.97 g/mL at 25 °C Storage: 2-8°C

Reagent for determination of Total Iodine in Brine. 100 mL bottle

Buffered with phosphate in accordance with the A.f.I.P. manual of Histology. Filtered and ready-to-use. CAS #: 50-00-0, 67-56-1, 7732-18-5 pH: 6.9 to 7.1 at 25°C.

ISIon Selective Electrode (ISE) standard solutions for laboratory analyses ISE Standard Solution. Fluoride, 10.0 mg/L ±0.2 mg/L as F- (NIST). 500 mL bottle Traceable to NIST standard reference materials Design for use with Hach meters portfolio and other meters. Reliable packaging