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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:
121 – 135 of 179 results
121

SPEX CERTIPREP LLC 3P Residual Free Chlorine 2/PK

NSI Lab Solutions PEI-012 Residual Free Chlorine Drinking Water Proficiency Test; 2/PK

ENCOMPASS_PREFERRED
122

SPEX CERTIPREP LLC 3P SETTLEABLE SOLIDS 4OZ QC WP

NSI Lab Solutions Settleable Solids (WP)

ENCOMPASS_PREFERRED
123

SPEX CERTIPREP LLC 3P TRIHALOMETHANES 2ML QC WS

NSI Lab Solutions Trihalomethanes (WS)

ENCOMPASS_PREFERRED
124

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

NSI Lab Solutions Regulated VOCs (WS)

ENCOMPASS_PREFERRED
125

SPEX CERTIPREP LLC 3P TOC/DOC 20ML QC SAMPLE WS

NSI Lab Solutions TOC/DOC (WS)

ENCOMPASS_PREFERRED
126

ERA WATERS CORP REGULATED VOLATILES
SDP

NC1174341 REGULATED VOLATILES

ENCOMPASS
127

ERA WATERS CORP SULFIDE WASTEWATR
SDP

NC2251369 SULFIDE WASTEWATR

ENCOMPASS
128

Fertility Technology Resources Inc Q C BEADS
SDP

Q C BEADS (Encompass)

ENCOMPASS
129

VERICHEM LABORATORIES PROTEIN/ALBUMIN STD LVL F

NC9592199 PROTEIN/ALBUMIN STD LVL F

ENCOMPASS_PREFERRED
130

Verichem Laboratories CO2 LEVEL F

CARBON DIOXIDE STANDARD KIT, LEVEL F, (1 X 15ML)

ENCOMPASS_PREFERRED
131

ERA WATERS CORP ICP MS TRACE METALS
SDP

NC9456783 ICP MS TRACE METALS

ENCOMPASS
132

AccuStandard, Inc DECOMPOSITION SOLUTION 1ML
SDP

Decomposition Solution . 100 mL. 10 ?g/mL in 2-5% Nitric Acid, tr Hydrofluoric acid.

ENCOMPASS
133

ABSOLUTE STANDARDS QC-3 STANDARD 500ML

NC2999120 QC-3 STANDARD 500ML

ENCOMPASS
134

Grainger Condition QC Disc A/O Coarse 3 Type R

Condition QC Disc A/O Coarse 3 Type R

ENCOMPASS_PREFERRED
135

ERA WATERS CORP AMMONIA/NH3 1000MG PER LTR
SDP

One 500 mL standard containing Ammonia as NH3 at 1000 mg/L in H2O. This CRM is covered by ERA's ISO Guide 34 accreditation.

ENCOMPASS