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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 Sodium Thiosulfate, 0.025N, 1 L
$18.25

Mfr. Part # ST2825-Q

Product # 707260

Core & Main Acetic Acid, Glacial ACS Grade, 2.5 L
$96.75

Mfr. Part # AA1000-L

Product # 706886

Core & Main Acetic Acid, Glacial ACS Grade, 500 mL
$42.25

Mfr. Part # AA1000-P

Product # 706885

Core & Main Sodium Thiosulfate, 0.00564N, 500 mL
$30.30

Mfr. Part # ST2701-P

Product # 707256

Core & Main Sodium Thiosulfate, 0.00564N, 4 L
$172.45

Mfr. Part # ST2701-G

Product # 707258

Core & Main Acetic Acid, 30% v/v, 500 mL
$33.50

Mfr. Part # AA2200-P

Product # 706884

Core & Main Sodium Thiosulfate, 0.00564N, 1 L
$45.80

Mfr. Part # ST2701-Q

Product # 707257

Core & Main Sodium Sulfite, ACS Grade, 500 g
$82.80

Mfr. Part # SS1120-K

Product # 707255

Core & Main Sodium Sulfite, ACS Grade, 100 g
$46.25

Mfr. Part # SS1120-J

Product # 707254

Core & Main Sodium Sulfate, ACS Grade, 500 g
$82.80

Mfr. Part # SS6100-K

Product # 707252

Core & Main Sodium Sulfate, ACS Grade, 2.5 kg
$193.95

Mfr. Part # SS6100-M

Product # 707253

Core & Main Sodium Sulfate, ACS Grade, 100 g
$46.25

Mfr. Part # SS6100-J

Product # 707251

Core & Main Sodium Hydroxide, 50% w/w, 500 mL
$23.80

Mfr. Part # SH6400-P

Product # 707242

Core & Main Sodium Hydroxide, 50% w/w, 4 L
$103.30

Mfr. Part # SH6400-G

Product # 707244

Core & Main Sodium Hydroxide, 50% w/w, 1 L
$34.65

Mfr. Part # SH6400-Q

Product # 707243

Core & Main Sodium Hydroxide, 5.0N, 500 mL
$18.00

Mfr. Part # SH6289-P

Product # 707237

Core & Main Sodium Hydroxide, 5.0N, 4 L
$44.40

Mfr. Part # SH6289-G

Product # 707239

Core & Main Sodium Hydroxide, 5.0N, 1 L
$25.40

Mfr. Part # SH6289-Q

Product # 707238

Core & Main Sodium Hydroxide, 40% w/v, 500 mL
$25.60

Mfr. Part # SH6380-P

Product # 707240

Core & Main Sodium Hydroxide, 40% w/v, 4 L
$87.40

Mfr. Part # SH6380-G

Product # 707241

Core & Main Sodium Hydroxide, 0.2N, 500 mL
$17.95

Mfr. Part # SH6202-P

Product # 707231

Core & Main Sodium Hydroxide, 0.2N, 4 L
$53.15

Mfr. Part # SH6202-G

Product # 707233

Core & Main Sodium Hydroxide, 0.25N, 500 mL
$17.95

Mfr. Part # SH6220-P

Product # 707234

Core & Main Sodium Hydroxide, 0.25N, 4 L
$73.20

Mfr. Part # SH6220-G

Product # 707236

Core & Main Sodium Hydroxide, 0.2N, 1 L
$25.40

Mfr. Part # SH6202-Q

Product # 707232

Core & Main Sodium Hydroxide, 0.25N, 1 L
$25.40

Mfr. Part # SH6220-Q

Product # 707235

Core & Main Sodium Hydroxide, 0.05N, 500 mL
$14.60

Mfr. Part # SH6175-P

Product # 707228

Core & Main Sodium Hydroxide, 0.05N, 4 L
$63.35

Mfr. Part # SH6175-G

Product # 707230

Core & Main Sodium Hydroxide, 0.05N, 1 L
$28.20

Mfr. Part # SH6175-Q

Product # 707229

Core & Main Sodium Fluoride, ACS Grade, 500 g
$180.15

Mfr. Part # SF9000-K

Product # 707227

Core & Main Sodium Chloride, ACS Grade, 500 g
$56.35

Mfr. Part # SC1010-K

Product # 707225

Core & Main Sodium Chloride, ACS Grade, 2.5 kg
$129.35

Mfr. Part # SC1010-M

Product # 707226

Core & Main Sodium Carbonate, 0.02N, 1 L
$51.50

Mfr. Part # SC3102-Q

Product # 707216

Core & Main Sodium Arsenite, 0.5% w/v, 500 mL
$20.55

Mfr. Part # SA6265-P

Product # 707213

Core & Main Potassium Sulfate, ACS grade, 500 g
$116.25

Mfr. Part # PS1001-K

Product # 707200

Core & Main Potassium Sulfate, ACS grade, 2.5 kg
$269.95

Mfr. Part # PS1001-M

Product # 707201

Core & Main Potassium Sulfate, ACS grade, 100 g
$37.55

Mfr. Part # PS1001-J

Product # 707199

Core & Main Potassium Persulfate, ACS Grade, 500 g
$131.55

Mfr. Part # PP1060-K

Product # 707194

Core & Main Potassium Persulfate, ACS Grade, 100 g
$59.40

Mfr. Part # PP1060-J

Product # 707193

Core & Main Potassium Permanganate, 0.42N, 1 L
$169.95

Mfr. Part # PP1393-Q

Product # 707191

Core & Main Potassium Iodide, ACS Grade, 2.5 kg
$869.00

Mfr. Part # PI1065-M

Product # 707190

Core & Main Potassium Permanganate, 0.10N, 1 L
$21.65

Mfr. Part # PP1385-Q

Product # 707192

Core & Main Potassium Iodide, ACS Grade, 500 g
$174.25

Mfr. Part # PI1065-K

Product # 707189

Core & Main Potassium Iodide, ACS Grade, 100 g
$47.95

Mfr. Part # PI1065-J

Product # 707188

Core & Main Potassium Iodide, 5% w/v, 500 mL
$20.65

Mfr. Part # PI1400-P

Product # 707183

Core & Main Potassium Iodide, 20% w/v, 1 L
$93.66

Mfr. Part # PI1420-Q

Product # 707187

Core & Main Potassium Iodide, 10% w/v, 500 mL
$32.45

Mfr. Part # PI1410-P

Product # 707184

Core & Main Potassium Iodide, 20% w/v, 500 mL
$79.70

Mfr. Part # PI1420-P

Product # 707186