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Quality Control and Proficiency Samples

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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Aqua Solutions

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1 – 9 of 9 results
1

Aqua Solutions TSS Standard 80-125 ppm (EA)
SDP

TSS Standard 80-125 ppm (EA)

ENCOMPASS_PREFERRED
2

Aqua Solutions CY396 CALCIUM BLIND QA STD 4L
SDP

CY396 CALCIUM BLIND QA STD 4L ..

ENCOMPASS_PREFERRED
3

Aqua Solutions TSS Standard 20 mg/L (Celite - Shake bottle well before use) (1L)
SDP

TSS Standard 20 mg/L (Celite - Shake bottle well before use) (1L)

ENCOMPASS
4

SPEX CERTIPREP LLC 3P Inorganics STND 2/PK

NSI Lab Solutions PEI-041 Inorganics Drinking Water Proficiency Test; 2/PK

ENCOMPASS_PREFERRED
5

SPEX CERTIPREP LLC 3P Nitrite STND 2/PK

NSI Lab Solutions PEI-140 Nitrite Drinking Water Proficiency Test; 2/PK

ENCOMPASS_PREFERRED
6

SPEX CERTIPREP LLC 3P Hardness STND 2/PK

NSI Lab Solutions PEI-145 Hardness Drinking Water Proficiency Test; 2/PK

ENCOMPASS_PREFERRED
7

SPEX CERTIPREP LLC 3P Trace Metals STND 2/PK

NSI Lab Solutions PEI-016 Trace Metals Drinking Water Proficiency Test; 2/PK

ENCOMPASS_PREFERRED
8

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
9

*NSI LAB SOLUTIONS LLC WS-QUANTITATIVE COLIFORMS PT

(NSI by Zeptometrix) Drinking Water Quantitative Coliforms QC Sample, Ships Overnight on Monday - Thursday, Must store in freezer

ENCOMPASS_PREFERRED