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Lab Chemicals & Reagents


Water quality chemicals, reagents, and standards designed for repeatable & accurate measurements


Explore a range of reagents, chemicals, and standards that ensure quality compliance and repeatable tests in your water testing laboratory. These ensure repeatable, reliable analysis for municipal regulatory requirements.

Core & Main Ammonia Standard, 5ppm as N, 500 mL
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Core & Main Ammonia Standard, 5ppm as N, 500 mL
$34.00

Mfr. Part # AS1005-P

Product # 706911

Core & Main Sulfuric Acid, 13.0N, 500 mL
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Core & Main Sulfuric Acid, 13.0N, 500 mL
$45.55

Mfr. Part # SA1693-P

Product # 707290

Core & Main Sulfuric Acid, 13.0N, 1 L
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Core & Main Sulfuric Acid, 13.0N, 1 L
$66.95

Mfr. Part # SA1693-Q

Product # 707291

Core & Main Ammonia Standard, 5ppm as N, 1 L
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Core & Main Ammonia Standard, 5ppm as N, 1 L
$74.60

Mfr. Part # AS1005-Q

Product # 706912

Core & Main Ammonia Standard, 50ppm as N, 500 mL
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Core & Main Ammonia Standard, 50ppm as N, 500 mL
$34.00

Mfr. Part # AS1050-P

Product # 706919

Core & Main Sulfuric Acid, 11.0N, 500 mL
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Core & Main Sulfuric Acid, 11.0N, 500 mL
$36.65

Mfr. Part # SA1689-P

Product # 707288

Core & Main Sulfuric Acid, 11.0N, 1 L
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Core & Main Sulfuric Acid, 11.0N, 1 L
$58.30

Mfr. Part # SA1689-Q

Product # 707289

Core & Main Sulfuric Acid, 10.0N, 1 L
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Core & Main Sulfuric Acid, 10.0N, 1 L
$55.50

Mfr. Part # SA1688-Q

Product # 707287

Core & Main Sulfuric Acid, 10.0N, 500 mL
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Core & Main Sulfuric Acid, 10.0N, 500 mL
$35.50

Mfr. Part # SA1688-P

Product # 707286

Core & Main Ammonia Standard, 3ppm as N, 500 mL
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Core & Main Ammonia Standard, 3ppm as N, 500 mL
$34.00

Mfr. Part # AS1003-P

Product # 706909

Core & Main Ammonia Standard, 3ppm as N, 1 L
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Core & Main Ammonia Standard, 3ppm as N, 1 L
$62.95

Mfr. Part # AS1003-Q

Product # 706910

Core & Main Sulfuric Acid, 0.2N, 1 L
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Core & Main Sulfuric Acid, 0.2N, 1 L
$22.40

Mfr. Part # SA1570-Q

Product # 707283

Core & Main Ammonia Standard, 30ppm as N, 1 L
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Core & Main Ammonia Standard, 30ppm as N, 1 L
$50.95

Mfr. Part # AS1030-Q

Product # 706918

Core & Main Ammonia Standard, 2ppm as N, 500 mL
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Core & Main Ammonia Standard, 2ppm as N, 500 mL
$34.00

Mfr. Part # AS1002-P

Product # 706907

Core & Main Sulfuric Acid, 0.04N, 500 mL
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Core & Main Sulfuric Acid, 0.04N, 500 mL
$13.95

Mfr. Part # SA1510-P

Product # 707282

Core & Main Sulfuric Acid, 0.02N (N/50), 500 mL
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Core & Main Sulfuric Acid, 0.02N (N/50), 500 mL
$12.25

Mfr. Part # SA1500-P

Product # 706898

Core & Main Ammonia Standard, 2ppm as N, 1 L
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Core & Main Ammonia Standard, 2ppm as N, 1 L
$66.35

Mfr. Part # AS1002-Q

Product # 706908

Core & Main Ammonia Standard, 20ppm as N, 500 mL
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Core & Main Ammonia Standard, 20ppm as N, 500 mL
$34.00

Mfr. Part # AS1020-P

Product # 706915

Core & Main Sulfuric Acid, 0.02N (N/50), 4 L
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Core & Main Sulfuric Acid, 0.02N (N/50), 4 L
$41.40

Mfr. Part # SA1500-G

Product # 706900

Core & Main Ammonia Standard, 20ppm as N, 1 L
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Core & Main Ammonia Standard, 20ppm as N, 1 L
$50.95

Mfr. Part # AS1020-Q

Product # 706916

Core & Main Sulfuric Acid, 0.02N (N/50), 1 L
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Core & Main Sulfuric Acid, 0.02N (N/50), 1 L
$18.25

Mfr. Part # SA1500-Q

Product # 706899

Core & Main Ammonia Standard, 10ppm as N, 1 L
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Core & Main Ammonia Standard, 10ppm as N, 1 L
$41.30

Mfr. Part # AS1010-Q

Product # 706914

Core & Main Ammonia Standard, 100ppm as N, 500 mL
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Core & Main Ammonia Standard, 100ppm as N, 500 mL
$34.25

Mfr. Part # AS1100-P

Product # 706921

Core & Main Ammonia Standard, 100ppm as N, 1 L
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Core & Main Ammonia Standard, 100ppm as N, 1 L
$55.65

Mfr. Part # AS1100-Q

Product # 706922

Core & Main Ammonia Standard, 1000ppm as N, 500 mL
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Core & Main Ammonia Standard, 1000ppm as N, 500 mL
$42.25

Mfr. Part # AS1000-P

Product # 706905

Core & Main Ammonia Standard, 1000ppm as N, 1 L
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Core & Main Ammonia Standard, 1000ppm as N, 1 L
$64.70

Mfr. Part # AS1000-Q

Product # 706906

Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
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Core & Main Ammonia Standard, 0.2 ppm as N, 500 mL
$34.00

Mfr. Part # AS1202-P

Product # 706903

Core & Main Ammonia Standard Solution, 30 ppm as N, 500 mL
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Core & Main Ammonia Standard Solution, 30 ppm as N, 500 mL
$34.00

Mfr. Part # AS1030-P

Product # 706917

Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
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Core & Main Ammonia Standard, 0.2 ppm as N, 1 L
$55.70

Mfr. Part # AS1202-Q

Product # 706904

Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
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Core & Main Ammonia Standard Solution, 10 ppm as N, 500 mL
$28.95

Mfr. Part # AS1010-P

Product # 706913

Core & Main Sodium Hydroxide, Thiosulfate Reagent, 500 mL
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Core & Main Sodium Hydroxide, Thiosulfate Reagent, 500 mL
$216.05

Mfr. Part # ST1976-P

Product # 707247

Core & Main Silver Nitrate, 0.141N, 500 mL
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Core & Main Silver Nitrate, 0.141N, 500 mL
$68.55

Mfr. Part # SN3420-P

Product # 707208

Core & Main Silver Nitrate, 0.10N, 500 mL
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Core & Main Silver Nitrate, 0.10N, 500 mL
$39.95

Mfr. Part # SN3400-P

Product # 707206

Core & Main Silver Nitrate, 0.141N, 1 L
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Core & Main Silver Nitrate, 0.141N, 1 L
$109.65

Mfr. Part # SN3420-Q

Product # 707209

Core & Main Silver Nitrate, 0.0171N, (N/58.5), 500 mL
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Core & Main Silver Nitrate, 0.0171N, (N/58.5), 500 mL
$19.75

Mfr. Part # SN3350-P

Product # 707204

Core & Main Silver Nitrate, 0.10N, 1 L
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Core & Main Silver Nitrate, 0.10N, 1 L
$66.40

Mfr. Part # SN3400-Q

Product # 707207

Core & Main Silver Nitrate, 0.0171N, (N/58.5), 1 L
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Core & Main Silver Nitrate, 0.0171N, (N/58.5), 1 L
$25.75

Mfr. Part # SN3350-Q

Product # 707205

Core & Main Silver Nitrate, 0.0141N, 1 L
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Core & Main Silver Nitrate, 0.0141N, 1 L
$22.60

Mfr. Part # SN3340-Q

Product # 707203

Core & Main Silver Nitrate, 0.0141N, 500 mL
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Core & Main Silver Nitrate, 0.0141N, 500 mL
$16.60

Mfr. Part # SN3340-P

Product # 707202

Core & Main Potassium Chloride, 4M, Saturated w/Silver Chloride, 500 mL
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Core & Main Potassium Chloride, 4M, Saturated w/Silver Chloride, 500 mL
$27.70

Mfr. Part # PC4001-P

Product # 706996

Core & Main Potassium Chloride, 3M, 500 mL
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Core & Main Potassium Chloride, 3M, 500 mL
$22.45

Mfr. Part # PC3000-P

Product # 706994

Core & Main Potassium Chloride, 4M, Saturated, 500 mL
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Core & Main Potassium Chloride, 4M, Saturated, 500 mL
$23.65

Mfr. Part # PC4000-P

Product # 706995

Core & Main Phosphate Standard, 5ppm, 500 mL
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Core & Main Phosphate Standard, 5ppm, 500 mL
$38.30

Mfr. Part # PS3305-P

Product # 707162

Core & Main Phosphate Standard, 5ppm, 1 L
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Core & Main Phosphate Standard, 5ppm, 1 L
$63.20

Mfr. Part # PS3305-Q

Product # 707163

Core & Main Phosphate Standard, 1ppm, 500 mL
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Core & Main Phosphate Standard, 1ppm, 500 mL
$45.60

Mfr. Part # PS3301-P

Product # 707160

Core & Main Phosphate Standard, 1ppm, 1 L
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Core & Main Phosphate Standard, 1ppm, 1 L
$63.20

Mfr. Part # PS3301-Q

Product # 707161

Core & Main Phosphate Buffer, pH 7.2, 500 mL
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Core & Main Phosphate Buffer, pH 7.2, 500 mL
$30.75

Mfr. Part # PH5070-P

Product # 707158

Core & Main Phosphate Buffer, pH 7.2, 1 L
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Core & Main Phosphate Buffer, pH 7.2, 1 L
$51.05

Mfr. Part # PH5070-Q

Product # 707159