Quality Control and Proficiency Samples

Standard-value, reference solutions designed to act as benchmark values for quality control and process proficiency procedures.

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136 – 150 of 179 results

136

ERA WATERS CORP EDB/DBCP/TCP

NC1174763 EDB/DBCP/TCP

Pricing & Availability

137

ERA WATERS CORP CARBAMATE CARBAMOXYL PESTICIDE

NC1174757 CARBAMATE CARBAMOXYL PESTICIDE

Pricing & Availability

138

ERA WATERS CORP CHLORINATED ACID HERBICIDES

NC1174893 CHLORINATED ACID HERBICIDES

Pricing & Availability

139

SPEX CERTIPREP LLC 3P REGULATED SOCS 2ML QC SAMP WS

NSI Lab Solutions Regulated SOCs (WS)

Pricing & Availability

140

SPEX CERTIPREP LLC 3P PH 250ML 2ML QC SAMPLE WS

NSI Lab Solutions pH (WS)

Pricing & Availability

141

ERA WATERS CORP TKN 1K STANDARD 500ML

One 1,000 mg/L standard preserved with HCl in a poly bottle.

Pricing & Availability

142

ERA WATERS CORP QC SIMPLE NUTRIENTS

One 15 mL screw-cap vial yields up to 2 liters after dilution.

Pricing & Availability

143

PHENOVA WP PH

NC1745734 WP PH

Pricing & Availability

144

CLINIQA CORP WHOLE BLD ETHANOL LVL 2 6X5ML

NC0509911 WHOLE BLD ETHANOL LVL 2 6X5ML

Pricing & Availability

145

Cambridge Isotope Laboratories Standard for EPA Method 8280 (CC5) 0 2 mL

Standard for EPA Method 8280 (CC5) 0 2 mL

Pricing & Availability

146

Grainger Condition QC Star A/O VF 4 Type R

Condition QC Star A/O VF 4 Type R

Pricing & Availability

147

SPEX CERTIPREP LLC 3P NITRITE 20ML QC SAMPLE WP

NSI Lab Solutions Nitrite (WP)

Pricing & Availability

148

SPEX CERTIPREP LLC 3P TRACE METALS 21ML QC SAMPLE WP

NSI Lab Solutions Trace Metals 21mL (WP)

Pricing & Availability

149

SPEX CERTIPREP LLC 3P ACIDITY 100ML QC SAMPLE WP

NSI Lab Solutions Acidity (WP)

Pricing & Availability

150

SPEX CERTIPREP LLC 3P SILICA 21ML QC SAMPLE WP

NSI Lab Solutions Silica (WP)

Pricing & Availability

Quality Control and Proficiency Samples

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ERA WATERS CORP EDB/DBCP/TCP Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ERA WATERS CORP CARBAMATE CARBAMOXYL PESTICIDE Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ERA WATERS CORP CHLORINATED ACID HERBICIDES Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ERA WATERS CORP TKN 1K STANDARD 500ML Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ERA WATERS CORP QC SIMPLE NUTRIENTS Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

ERA WATERS CORP EDB/DBCP/TCP

ERA WATERS CORP CARBAMATE CARBAMOXYL PESTICIDE

ERA WATERS CORP CHLORINATED ACID HERBICIDES

ERA WATERS CORP TKN 1K STANDARD 500ML

ERA WATERS CORP QC SIMPLE NUTRIENTS