Cat #: 72-309

RICCA Chemical R2238000-500A Conductivity/TDS Standard, 200 µS/cm, (200 µmho/cm) at 25°C, 500 mL Poly Natural/Unit

RICCA Chemical R2238000-500A Conductivity/TDS Standard, 200
RICCA Chemical R2238000-500A Conductivity/TDS Standard, 200
RICCA Chemical R2238000-500A Conductivity/TDS Standard, 200

Cat #: 72-309

RICCA Chemical R2238000-500A Conductivity/TDS Standard, 200 µS/cm, (200 µmho/cm) at 25°C, 500 mL Poly Natural/Unit


(200 µmho/cm) at 25°C

500 mL Poly Natural/Unit

Brand: RICCA Chemical

  • Conductivity/TDS Standard, 200 µS/cm (200 µmho/cm) at 25°C, 95 ppm as NaCl
  • Packaging: Poly Natural
  • CAS #: 7732-18-5, 7647-14-5
  • Manufactured in ISO 9001:2015 certified facilities
  • cGMP compliant manufacturing (per 21 CFR 820)
  • Registered with the FDA as a (Class I) Medical Device Manufacturer
  • Detailed CofA, MSDS, and labels
  • Made in USA - facilities in Indiana, Maryland, and Texas

Guest Price:
$28.95
List Price: $45.40
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(200 µmho/cm) at 25°C

500 mL Poly Natural/Unit

Brand: RICCA Chemical

  • Conductivity/TDS Standard, 200 µS/cm (200 µmho/cm) at 25°C, 95 ppm as NaCl
  • Packaging: Poly Natural
  • CAS #: 7732-18-5, 7647-14-5
  • Manufactured in ISO 9001:2015 certified facilities
  • cGMP compliant manufacturing (per 21 CFR 820)
  • Registered with the FDA as a (Class I) Medical Device Manufacturer
  • Detailed CofA, MSDS, and labels
  • Made in USA - facilities in Indiana, Maryland, and Texas

Founded in 1975, RICCA Chemical Company is the largest independent manufacturer of inorganic laboratory reagents, standards, and solutions in North America. The RICCA name is known for its superior quality, consistency, and extensive product offering. At RICCA, we strive to continually improve our systems and processes to comply with the requirements of 21 CFR 820, ISO 9001:2015 and other applicable standards and regulations. We will ensure that we meet and/or exceed customer expectations through efficient and on time delivery of products and services at the right cost.

For product SDS and COA files, please click on the links below.

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