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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:
61 – 75 of 179 results
61

SPEX CERTIPREP LLC 3P DISSOLVED OXYGEN 125ML QC WP

NSI Lab Solutions Dissolved Oxygen (WP)

ENCOMPASS_PREFERRED
62

SPEX CERTIPREP LLC 3P MBAS 10ML QC SAMPLE WP

NSI Lab Solutions MBAs (WP)

ENCOMPASS_PREFERRED
63

SPEX CERTIPREP LLC 3P VANADIUM 21ML QC SAMPLE WS

NSI Lab Solutions Vanadium (WS)

ENCOMPASS_PREFERRED
64

SPEX CERTIPREP LLC 3P DEMAND 21ML QC SAMPLE WP

NSI Lab Solutions Demand (WP)

ENCOMPASS_PREFERRED
65

Neta Scientific OQPV STANDARDS KIT1 FOR UVVIS
SDP

This item is manufactured by Agilent

ENCOMPASS_PREFERRED
66

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

NSI Lab Solutions Regulated SOCs (WS)

ENCOMPASS_PREFERRED
67

SPEX CERTIPREP LLC 3P AMENABLE TOTAL CYA 20ML QC WP

NSI Lab Solutions Amenable & Total Cyanide (WP)

ENCOMPASS_PREFERRED
68

SPEX CERTIPREP LLC 3P SILICA 30ML QC SAMPLE WS

NSI Lab Solutions Silica (WS)

ENCOMPASS_PREFERRED
69

SPEX CERTIPREP LLC 3P METALS IN SOIL 4OZ QC SAMPLE

NSI Lab Solutions Metals in Soil

ENCOMPASS_PREFERRED
70

Grainger Condition QC Star A/O VF 4 Type R

Condition QC Star A/O VF 4 Type R

ENCOMPASS_PREFERRED
71

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

NSI Lab Solutions Trace Metals 21mL (WP)

ENCOMPASS_PREFERRED
72

AccuStandard, Inc 2,3,7,8-Tetrachlorodibenzo-p-dioxin, 1746-01-6, MFCD00152860, 1mg
SDP

NC9311376 TCDD 1MG

ENCOMPASS
73

SPEX CERTIPREP LLC 3P RESIDUAL FREE CHLORINE 2ML

NSI Lab Solutions Residual Free Chlorine (WS)

ENCOMPASS_PREFERRED
74

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

NSI Lab Solutions Oil and Grease (WP)

ENCOMPASS_PREFERRED
75

SPEX CERTIPREP LLC 3P VOLATILE SOLIDS 20ML QC WP

NSI Lab Solutions Volatile Solids (WP)

ENCOMPASS_PREFERRED