Analyte: Ammonium (dihydrogen) phosphate - monobasic (ICP grade) (as phosphorus), CAS Number: 7722-76-1; InChl: LFVGISIMTYGQHF-UHFFFAOYSA-N. EPA, Method: 6010C.

Conductivity Solution (147 µS/cm (25C))

Analyte: Sodium bicarbonate (as carbon), CAS Number: 144-55-8; InChl: UIIMBOGNXHQVGW-UHFFFAOYSA-M ; Analyte: Sodium carbonate (as carbon), CAS Number: 497-19-8 .

Analyte: Yttrium oxide (ICP grade) (as yttrium), CAS Number: 1314-36-9.

Total organic carbon (TOC) Standard

Buffer, pH 9.21, reference Standard

Analyte: Ammonium dichromate (ICP grade) (as chromium VI), CAS Number: 7789-09-5.

Analyte: Potassium cyanide (as cyanide), CAS Number: 151-50-8; InChl: NNFCIKHAZHQZJG-UHFFFAOYSA-N.

Conductivity Solution (12880 µS/cm (25C))

Buffer, pH 7.00 - Color Coded Yellow,

QualityCheck nutrients sample

Analyte: Sodium chloride (99 pct), CAS Number: 7647-14-5; InChl: FAPWRFPIFSIZLT-UHFFFAOYSA-M; Analyte: Diatomite, CAS Number: 61790-53-2; InChl: VYPSYNLAJGMNEJ-UHFFFAOYSA-N .

QualityCheck WP demands QC sample

Conductivity/TDS , Solution (5000 µmhos)

Analyte: Selenium (IV) oxide (ICP grade) (as selenium), CAS Number: 7446-08-4.

Buffer, pH 4.01 - Color Coded Red,

Analyte: Potassium bromide (as bromide), CAS Number: 7758-02-3; InChl: IOLCXVTUBQKXJR-UHFFFAOYSA-M. EPA, Method: 300; EPA, Method: 300.1; EPA, Method: 9056A.

Analyte: Sodium bicarbonate (as carbon), CAS Number: 144-55-8; InChl: UIIMBOGNXHQVGW-UHFFFAOYSA-M ; Analyte: Sodium carbonate (as carbon), CAS Number: 497-19-8 .

Calcium Extracting Solution

Analyte: p-Benzoquinone (as C), CAS Number: 106-51-4.

Analyte: Boric acid (ICP grade) (as boron), CAS Number: 10043-35-3; Analyte: Ammonium hexafluorosilicate (ICP grade) (as silicon), CAS Number: 16919-19-0; InChl: ITHIMUMYFVCXSL-UHFFFAOYSA-P; Analyte: Molybdenum (VI) oxide (ICP grade) (as molybdenum), CAS Number: 1313-27-5 ; . EPA, Method: 200.7 Rev…

Conductivity/TDS , Solution (1000 µmhos)

Analyte: Potassium chlorate (as chlorate), CAS Number: 3811-04-9; InChl: VKJKEPKFPUWCAS-UHFFFAOYSA-M. EPA, Method: 300; EPA, Method: 300.1; EPA, Method: 9056A.

Analyte: Palladium (ICP grade), CAS Number: 7440-05-3; InChl: KDLHZDBZIXYQEI-UHFFFAOYSA-N.

Total organic carbon (TOC) Standard

Total organic carbon (TOC) Standard

Buffer, pH 7.00 - Color Coded Yellow,

Analyte: Potassium bromate (as bromate), CAS Number: 7758-01-2; InChl: OCATYIAKPYKMPG-UHFFFAOYSA-M. EPA, Method: 300; EPA, Method: 300.1; EPA, Method: 9056A.

Analyte: Lead (II) nitrate (ICP grade) (as lead), CAS Number: 10099-74-8.

Total organic carbon (TOC) Standard

ULTRA Low TOC Water

QualityCheck trace metals sample