"Ricca Chemical"

Conductivity Standard, 10 µS/cm (10 µmho/cm) at 25°C 4.7 ppm as NaCl

Supplier: Ricca Chemical

Calibration standards are individually calibrated and certified directly traceable to National Institute of Standards and Technology Electrolytic Conductivity Standard Reference Materials.

Expand 22 Items

Methylene blue 1% (w/v) in aqueous solution

Supplier: Ricca Chemical

1% (w/v) Aqueous. Container: Glass.

Expand 3 Items

Sodium hydroxide 10.0 N in aqueous solution

Supplier: Ricca Chemical

Caustic soda. CAS RN 1310-73-2. Formula Weight: 40.00. Solution, 10.00N. Packaged in a plastic container. Subject to postal/shipping restrictions. 1L.

Expand 1 Items

Sodium hydroxide 10.0 N

Supplier: Ricca Chemical

Expand 4 Items

Water ACS, Reagent Grade ASTM Type I, ASTM Type II Packaged in plastic containers

Supplier: Ricca Chemical

This product is manufactured by a continuous process that has been validated to produce high purity Water meeting, as a minimum, the specifications below at the time of packaging. This water also meets ASTM Type III and Type IV specifications.

Options durables disponibles

Expand 8 Items

Water ACS, Reagent Grade for HPLC, for UV spectrophotometry

Supplier: Ricca Chemical

Suitable for ultraviolet spectrophotometry and liquid chromatography.

Options durables disponibles

Expand 2 Items

Conductivity/TDS Standards, NaCl Solutions at 25 °C, 2 - 70 mS/cm, Ricca Chemical Company

Supplier: Ricca Chemical

50 mS/cm (50,000 umho/cm) at 25°C, 30,300 ppm as NaCl. Poly bottle. 500mL

Expand 26 Items

Tin(II) chloride 40% hydrochloric solution

Supplier: Ricca Chemical

Tin(II) chloride 40% hydrochloric solution

Expand 4 Items

2-Propanol ≥70% (v/v) in aqueous solution

Supplier: Ricca Chemical

Expand 4 Items

Starch 0.5% (w/v) in aqueous solution for iodometric titrations mercury-free

Supplier: Ricca Chemical

Indicator. APHA. (Salicyclic Acid Preservative).

Expand 4 Items

Bouin's Fixative Solution, Ricca Chemical Company

Supplier: Ricca Chemical

Picric acid-formalin-acetic acid mixture.

Expand 1 Items

EDTA disodium salt 0.0500 M (M/20) in aqueous solution

Supplier: Ricca Chemical

Disodium ethylenediaminetetraacetate dihydrate. CAS RN 6381-92-6. Formula Weight: 372.30. Solution, 0.05 M. Packaged in a plastic container. 1 gal.

Expand 3 Items

EDTA disodium salt 0.0100 M (M/100) in aqueous solution

Supplier: Ricca Chemical

Disodium ethylenediaminetetraacetate dihydrate. CAS RN 6381-92-6. Formula Weight: 372.30. Solution, 0.01M. APHA, ASTM, for Water Hardness. Standardized at 25°C against chemicals whose certification is traceable to NIST. Packaged in a plastic container. 20L.