Calibration Solutions + Reagents

Calibration or buffer solution lets you calibrate any pH tester to ensure accuracy. Choose from pH 4, 7 or 10. Calibration solution helps you achieve the accuracy that's critical for measuring pH in wastewater, stormwater and process liquids. Sper Scientific offers both liquid and buffer pouches, which are ideal for field use.
Calibration Solutions | Sper Scientific Direct
 

30 products

pH Buffer Set - 1 each pH 4, 7, 10 | Sper Scientific Direct

Sper Scientific

860012

pH Buffer Set - 1 each pH 4, 7, 10

$15.40 USD
pH 4 Buffer - 3 Pack | Sper Scientific Direct

Sper Scientific

860008

pH 4 Buffer - 3 Pack

$15.40 USD
pH 7 Buffer - 3 Pack | Sper Scientific Direct

Sper Scientific

860009

pH 7 Buffer - 3 Pack

$15.40 USD
pH 10 Buffer - 3 Pack | Sper Scientific Direct

Sper Scientific

860010

pH 10 Buffer - 3 Pack

$15.40 USD
Brix calibration solution by Sper Scientific with a clear, glass bottle and a white cap.

Sper Scientific

300007

Brix Calibration Solution - 10 Pack

$66.00 USD
DO Electrolyte | Sper Scientific Direct

Sper Scientific

840044

DO Electrolyte

$16.50 USD
Deionized Water - 3 Pack | Sper Scientific Direct

Sper Scientific

860011

Deionized Water - 3 Pack

$15.40 USD
Humidity Calibration Kit | Sper Scientific Direct

Sper Scientific

ELSEC765-A1

Humidity Calibration Kit

$385.00 USD
LUCFP-10-Reagent - Free Chlorine

Sper Scientific

LUCFP-10

Reagent - Free Chlorine 10-Pack

$16.50 USD
LUCTP-10-Reagent - Total Chlorine 10 Packs

Sper Scientific

LUCTP-10

Reagent - Total Chlorine 10-Pack

$16.50 USD
Turbidity Calibration Solution - Sper Scientific Direct

Sper Scientific

LUTU-100NTU

Turbidity Calibration Solution 100NTU

$19.80 USD
Turbidity Calibration Solution 0 NTU - Sper Scientific Direct

Sper Scientific

LUTU-0NTU

Turbidity Calibration Solution 0 NTU

$16.50 USD
0 PPM Total Chlorine Standard | CT-01

Sper Scientific

860043-CT

1 PPM Total Chlorine Standard | CT-01

$16.50 USD
1 PPM Free Chlorine Standard | CF-01

Sper Scientific

860043-CF

1 PPM Free Chlorine Standard | CF-01

$16.50 USD
0PPM Chlorine Standard | CL-01

Sper Scientific

860043-CL

0PPM Chlorine Standard | CL-01

$16.50 USD
Sper DO Electrolytes Solution

Sper Scientific

850048E

Dissolved Oxygen (DO) Electrolytes

$17.00 USD
Calibration salts by Sper Scientific, blue and black, show temperature and humidity readings on the label.

Sper Scientific

HR-33

Calibration Salts

$86.25 USD
Blue buffer solution by Sper Scientific in a clear plastic bottle with a black cap.

Sper Scientific

SPSBU5010-P

Buffer Solution pH 10.00 - Blue

From $19.61 USD
pH Buffer Solution pH 4.00 - Pink

Sper Scientific

SPSBU5004-P

Buffer Solution pH 4.00 - Pink

From $19.61 USD
Buffer Solution pH 7.00

Sper Scientific

SPSBU5007-P

Buffer Solution pH 7.00 - Yellow

From $19.61 USD
ORP Standard 300 mV

Sper Scientific

SPSCS9912-P

Conductivity Standard Solution - 12880 µS/cm

From $32.78 USD
ORP Standard 300 mV

Sper Scientific

SPSCS1413-P-1

Conductivity Standard Solution - 1413µS/cm

From $25.94 USD
ORP Standard 300 mV

Sper Scientific

SPSCS0084-P

Conductivity Standard Solution, 84µS/cm

From $25.94 USD
ORP Standard 300 mV

Sper Scientific

SPSES9470-P

Electrode Storage Solution

From $35.54 USD
Calibration solution by Sper Scientific in a clear jug with black cap, displaying product information.

Sper Scientific

SPSIP1090-G

Isopropanol Alcohol 90% v/v

From $224.76 USD
ORP Standard 300 mV

Sper Scientific

SPSOR4100-P

ORP Standard 100mV +/- 5% @ 25ºC

From $57.13 USD
ORP Standard 300 mV

Sper Scientific

SPSOR4240-P

ORP Standard 240mV

From $146.48 USD
Potassium Chloride, 4M, 500 mL

Sper Scientific

SPSPC4001-P

Potassium Chloride 4M Saturated with AgCl

$45.71 USD
Calibration solution by Sper Scientific in a white plastic bottle with a black cap.

Sper Scientific

SPSTD1000-P

TDS Standard 1000ppm as 442 Standard

From $45.92 USD
TDS Standard 150 ppm as 442 Standard

Sper Scientific

SPSTD0150-P

TDS Standard - 150 ppm as 442 Standard

From $33.44 USD