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Standards-Others
Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder. If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.

ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-1

$248.62 $236.19

ORP Standard, 240 mV - R5464501-500B

$363.52 $345.34

ORP Standard, +200 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.5-2.5

$248.42 $236.00

ORP Standard, +450 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - R5464545-500C

$336.63 $319.80

ORP Standard, +200 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.5-16

$56.35 $53.53

Phenol Stock Standard, 5.00 ± 0.05% (w/v) - 5738-1

$292.62 $277.99

ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-16

$62.39 $59.27

Phenol Stock Standard, 5.00 ± 0.05% (w/v) - 5738-32

$108.73 $103.29

Phosphate Standard, 0.5 ppm PO4 - R5826050-1A

$286.83 $272.49

ORP Standard, +400 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - R5464540-500C

$160.97 $152.92

Phenol Stock Standard, 5.00 ± 0.05% (w/v) - 5738-32SC

$251.79 $239.20

ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-2.5

$599.10 $569.15

Potassium Bromate RV, EP Primary Standard - 5879.4-500

$1,220.06 $1,159.06

ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-4

$40.01 $38.01

Phosphate Standard, 1 ppm PO?³? - 5826.1-16

$162.81 $154.67

Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-16

$88.44 $84.02

Phosphate Standard, 0.5 ppm PO4 - R5826050-500A

$162.81 $154.67

Phosphate Standard, 6 ppm PO?³? - R5826600-500A

$89.22 $84.76

ORP Standard, +600 mV vs. Ag/AgCl (4M KCl sat. with AgCl filling solution) - 5464.6-32

$69.36 $65.89

Phosphate Phosphorus Standard, 50 ppm P (153 ppm PO?³?) - 5830-4

$49.63 $47.15

Phenol Standard, 1% (w/v) - R5737000-1C

$213.50 $202.83

Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-4

$50.70 $48.17

Phosphate Standard, 6 ppm PO?³? - R5826600-4A

$265.08 $251.83

Potassium Chloride Conductivity Standard, 20,000 µS/cm (20 mS/cm) at 25°C - 5888.20-2.5

$210.62 $200.09

Potassium Chloride Conductivity Standard, 1800 µS/cm at 25°C - 5888.180-32

$59.52 $56.54

Phosphate Standard, 8 ppm PO?³? - R5826800-500A

$99.88 $94.89

Phosphate Standard, 1.5 ppm PO4 - R5826105-1A

$112.77 $107.13

Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-2.5

$262.00 $248.90

Orthophosphate Standard, 1000 ppm P - R5835000-120A

$134.15 $127.44

Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-32

$52.58 $49.95

Phenol Standard, 1000 ppm C?H?OH (0.100% (w/w)) - 5740-32

$116.24 $110.43

Phosphate Standard, 500 ppm PO?³? (163 ppm P) - 5838-4

$39.10 $37.15

Potassium Chloride Conductivity Standard, 1413 µS/cm at 25°C - R5888141-4A

$101.47 $96.40

Phosphate Standard, 1 ppm PO?³? - 5826.1-32

$416.70 $395.87

Phosphate Standard, 500 ppm PO?³? (163 ppm P) - 5838-16

$90.87 $86.33

Potassium Chloride Conductivity Standard, 1500 µS/cm at 25°C - 5888.15-5

$1,221.49 $1,160.42

Potassium Chloride Conductivity Standard, 5 µS/cm at 25°C - 5885.05-2.5

$258.32 $245.40

Phosphate Phosphorus Standard, 50 ppm P (153 ppm PO?³?) - 5830-16

$82.57 $78.44

Orthophosphate Standard, 500 ppm P - R5835500-1A

$278.80 $264.86

Phosphate Standard, 10 ppm PO?³? - R5826110-500A

$198.09 $188.19

Phosphate Phosphorus Standard, 50 ppm P (153 ppm PO?³?) - 5830-32

$83.68 $79.50

Phosphate Standard, 100 ppm PO?³? (32.6 ppm P) - 5833-4

$134.85 $128.11

Phosphate Standard, 10,000 ppm PO?³? (3261 ppm P) - R5839500-100A

$111.06 $105.51

Phenol Stock Standard, 5.00 ± 0.05% (w/v) - 5738-16

$65.97 $62.67

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