Buffers and Solutions

Sodium Hydroxide, 10.0 N Aqueous Solution, APHA - As an APHA certified solution, this item meets the ASTM D1209 standards for use in water and waste water treatment facilities to determine the concentration of dissolved and particulate materials. Spectrum Chemical manufactured APHA grade products meet the toughest regulatory standards for quality and purity.

(1 per EA )

Periodic Acid, 50 Percent, Solution - Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

(1 per EA )

Ammonium Sulfide, Light Solution, Reagent, is an unstable salt with the formula (NH₄)₂S. It has a very strong odor, and the Reagent grade means it is used in the laboratory as an analytical testing agent. Common uses of AMMONIUM SULFIDE, LIGHT SOLUTION, REAGENT are industrial applications including photo developing, textile manufacturing and others.

(1 per EA )

Sulfuric Acid, 1.00 N Solution, APHA - As an APHA certified solution, this item is meets the ASTM D1209 standards and can be used in water and waste water treatment facilities to determine the concentration of dissolved and particulate materials. Spectrum Chemical manufactured APHA grade products meet the toughest regulatory standards for quality and purity.

(1 per EA )

Potassium Hydroxide, 45 Percent (w/w) Aqueous Solution, Reagent is an aqueous solution of Caustic Potash and is the protypical strong base. Its reagent grade means this is the highest quality commercially available for this chemical and that the American Chemical Society has not officially set any specifications for this material.

(1 per EA )

Sodium Silicate, 40 DEG Be Solution - Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.

(1 per EA )

Formaldehyde, 10 Percent (v/v) Solution, Stabilized with approx. 3 Percent Methanol, Histological Grade is used as an embalming and tissue fixative. as well as a nail hardener and in nail polish. It is not intended for and should not be (i) used for medical, surgical or other patient oriented applications, or (ii) combined with any food product or ingested in any form.

(1 per EA )

Sodium Carboxymethylcellulose, (Viscosity of 2 Percent Aqueous Solution @ 25 DEG C: 34.0-50.0 cP), USP, 45kg, CAS# 9004-32-4 (1 per EA )

Lanthanum Chloride, 10% w/v, 1.00 L Poly natural (1 per EA )

Cupric Tartrate TS, Alkaline (Fehling's Solution) - 500mL (1 per EA )

Mercuric Iodide TS (Valser's Reagent) - 500mL (1 per EA )

Potassium Dichromate, SVS Concentrate, To Prepare 0.1 N Solution - Spectrum's Standard Volumetric Solution (SVS) concentrate when diluted to 1 liter will yield a 0.1 N solution. Simply dilute the desired Standard Volumetric Solution concentrate to the specified volume (carefully following instructions provided with the package) and the resulting solution will have an exact Normality within 0.1%. Spectrum Standard Volumetric Solution concentrates are relied upon for fast, accurate results in life sciences and pharmaceutical quality control applications.

(1 per EA )

Acetone/Alcohol, 90:10 v/v, 200.00 L Drum (1 per EA )

Iodine, 0.02 N, 500.00 mL Glass amber (1 per EA )

DPD Indicator Solution, 1.00 L Glass amber (1 per EA )

Pot Bromate-Bromide, 0.1 N, 20.00 L Cubitainer (1 per EA )

Ammonium Persulfate, 4% w/w, 500.00 mL Poly natural (1 per EA )

Glutaric Dialdehyde, 50 Percent in Water is also referred to as Glutaraldehyde. It is a colorless and oily liquid with a pungent smell. Most commonly used to disinfect medical equipment, it is also used as a preservative and in industrial water treatment and is also a component of fracking fluid.

(1 per EA )

Sodium Hydroxide, 0.100 N Solution, APHA is a standard solution of Caustic soda ideally suited for laboratory titrimetric techniques. You can rely on the quality of LabChem analytical test solutions for lot-to-lot reproducibility.

(6 per CS )

Nitric Acid, 2% v/v (1 + 49), 2.50 L Glass clear (1 per EA )

Hydrofluoric Acid, 20% v/v, 4.00 L Poly natural (1 per EA )

Mercuric-Ammonium Thiocyanate TS - 500mL (1 per EA )

Alkaline Mercuric-Potassium Iodide TS - 500mL (1 per EA )

Quinaldine Red TS - 500mL (1 per EA )