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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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Keyword Search:
106 – 120 of 178 results
106

SPEX CERTIPREP LLC 3P SILICA 21ML QC SAMPLE WP

NSI Lab Solutions Silica (WP)

ENCOMPASS_PREFERRED
107

SPEX CERTIPREP LLC 3P OIL AND GREASE 3.2ML QC WP

NSI Lab Solutions Oil and Grease (WP)

ENCOMPASS_PREFERRED
108

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

NSI Lab Solutions pH (WS)

ENCOMPASS_PREFERRED
109

SPEX CERTIPREP LLC 3P OXYGENATES 2ML QC SAMPLE WS

NSI Lab Solutions Oxygenates (WS)

ENCOMPASS_PREFERRED
110

SPEX CERTIPREP LLC 3P RESIDUAL FREE CHLORINE 2ML

NSI Lab Solutions Residual Free Chlorine (WS)

ENCOMPASS_PREFERRED
111

SPEX CERTIPREP LLC 3P VANADIUM 21ML QC SAMPLE WS

NSI Lab Solutions Vanadium (WS)

ENCOMPASS_PREFERRED
112

SPEX CERTIPREP LLC 3P SILICA 30ML QC SAMPLE WS

NSI Lab Solutions Silica (WS)

ENCOMPASS_PREFERRED
113

SPEX CERTIPREP LLC 3P CYANIDE 20ML QC SAMPLE WS

NSI Lab Solutions Cyanide (WS)

ENCOMPASS_PREFERRED
114

CROSSTEX INTERNATIONAL GEOBACULLUS STEAROTHERMOP 10ML

GP Sus-G. stearo Growth Promotion Test Suspensions (QC Organisms)

ENCOMPASS_PREFERRED
115

ERA WATERS CORP SULFIDE WASTEWATR
SDP

NC2251369 SULFIDE WASTEWATR

ENCOMPASS
116

ERA WATERS CORP GASOLINE ADDITIVES ERA 905
SDP

NC1236063 GASOLINE ADDITIVES ERA 905

ENCOMPASS
117

ERA WATERS CORP CHLORDANE ERA 845
SDP

NC1236062 CHLORDANE ERA 845

ENCOMPASS
118

PHENOVA WS-RESIDUAL CHLORINE

NC1667114 WS-RESIDUAL CHLORINE

ENCOMPASS
119

ERA WATERS CORP SEMIVOLATILES 2 HERBICIDES
SDP

NC1174296 SEMIVOLATILES 2 HERBICIDES

ENCOMPASS
120

ABSOLUTE STANDARDS QC-1 STANDARD 500ML

NC2999052 QC-1 STANDARD 500ML

ENCOMPASS