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pH Testing

One of the most common water tests, pH is a measure of the acidity or basicity of the water. The pH scale is logarithmic, and runs from 0 to 14. 7.0 is considered neutral, with values less than 7 being acidic and those above 7 basic. The greatest concern with pH is how it affects the toxicity of many other substances, including nitrite and ammonia.

LaMotte pH Octet Comparator Test Kits
Each test kit consists of an Octet Comparator, graduated test tubes, and a  bottle of indicator solution for 50 tests. LaMotte Company has been supplying  laboratory quality pH indicator tests to professional analysts for more than  eighty years; these are the most reliable, economical pH test kits available.  Simply fill the tube to the mark with the sample water, add several drops of  indicator, and compare the resulting color against the eight permanent color  standards in the comparator.
How to Select the Right pH Kit:      Single or Wide Range?
Single range kits cover a range of 1.4 pH units in 0.2 unit increments (0.1  unit sensitivity). Wide range kits may cover as many as 7 pH units in increments  of 0.5 or 1.0 pH units (0.25 or 0.5 unit sensitivity).
Which Range?
Choose a kit in which the midpoint of the range covered is as close to the  average or optimum pH value of the sample water. If this value is unknown,  choose a wide range kit.
Indicators specific to a particular pH range allow colorimetric determination  of pH. If the water to be tested is cloudy, one may wish to employ the bicolor  reader.

Octet Comparator Kits

The Octet Comparator contains eight color standards with built-in filters which eliminate optical distortion. The color standards are arranged so that the sample can be compared to four standards at once.

LC Order №

pH Indicator

Octet Comparator Color Standard Values in pH Units

Hazard (Shipping Weight/lbs)

PRICE

2107/P-BCP

Bromcresol Purple

5.2

5.4

5.6

5.8

6.0

6.2

6.4

6.6

NH (1)

$35.00

QTY:

2108/P-CPR

Chlorophenol Red

5.4

5.6

5.8

6.0

6.2

6.4

6.6

6.8

NH (1)

$35.00

QTY:

2109/P-BTB

Bromthymol Blue

6.0

6.2

6.4

6.6

6.8

7.0

7.2

7.4

NH (1)

$35.00

QTY:

2110/P-PR

Phenol Red

6.8

7.0

7.2

7.4

7.6

7.8

8.0

8.2

NH (1)

$35.00

QTY:

2111/P-CR

Cresol Red

7.2

7.4

7.6

7.8

8.0

8.2

8.4

8.6

NH (1)

$35.00

QTY:

2112/P-TB

Thymol Blue

8.0

8.2

8.4

8.6

8.8

9.0

9.2

9.4

NH (1)

$35.00

QTY:

2113/P-ORB

Oleo Red B

8.6

8.8

9.0

9.2

9.4

9.6

9.8

10.0

N (1)

$35.00

QTY:

2114/P-LP

LaMotte Purple

9.8

10.0

10.2

10.4

10.6

10.8

11.0

11.2

NH (1)

$35.00

QTY:

2117/P-3100

Wide Range

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

N (1)

$35.00

QTY:

2118/P-3065

Wide Range

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

N (1)

$35.00

QTY:

2119/P-5085

Wide Range

5.0

5.5

6.0

6.5

7.0

7.5

8.0

8.5

N (1)

$35.00

QTY:

2120/P-5100

Wide Range

5.0

6.0

6.5

7.0

7.5

8.0

9.0

10.0

N (1)

$35.00

QTY:

2121/P-7105

Wide Range

7.0

7.5

8.0

8.5

9.0

9.5

10.0

10.5

N (1)

$35.00

QTY:

2123/P-1080

Acid Wide Range

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

N (1)

$35.00

QTY:

2124/P-8512

Alkaline Wide Range

8.5

9.0

9.5

10.0

10.5

11.0

11.5

12.0

N (1)

$35.00

QTY:

5858

Wide Range

2 Octet comparators - combines Code 2118 and Code  2121 from above

N (1)

$56.95

QTY:

Replacement pH Reagents for above kits Comparator Kits

All of the following Reagents are 30 mL Bottles

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KIT #

Reagent #

Description

PRICE

2081-01

2218-G

Wide Range

$5.55

QTY:

2212-G

Cresol Red

$5.35

QTY:

2107

2208-G

Bromcresol Purple

$5.45

QTY:

2108

2209-G

Chlorophenol Red

$5.10

QTY:

2109

2210-G

Bromthymol Blue

$5.25

QTY:

2110

2211-G

Phenol Red

$5.10

QTY:

2111

2212-G

Cresol Red

$5.35

QTY:

2112

2213-G

Thymol Blue

$5.35

QTY:

2214-G

Oleo Red B

$8.40

QTY:

2114

2215-G

LaMotte Purple

$5.50

QTY:

2117

2218-G

Wide Range

$5.55

QTY:

2118

2218-G

Wide Range

$5.55

QTY:

2119

2218-G

Wide Range

$5.55

QTY:

2120

2218-G

Wide Range

$5.55

QTY:

2121

2218-G

Wide Range

$5.55

QTY:

2123

2302-G

Acid Wide Range

$6.50

QTY:

2124

2303-G

Alkaline Wide Range

$5.50

QTY:

All Replacement Reagents are priced using a 30 mL Size. Larger sizes are available.
Click HERE for larger bottle sizes available.

pH PLUS Direct Digital pH Meter™

The pH PLUS DIRECT uses a microprocessor to put laboratory precision into a portable water-resistant design. Read pH, mV, temperature and concentration with accuracy. The pH PLUS DIRECT allows the analyst to use ISEs to read concentration in ppm. Memory for 25 test results. The microprocessor makes the unit easy to use in any test mode.

1ywar

Specifications

pH:

Range:

0.00 to 14.00

Resolution:

0.01

Accuracy:

±0.002

Slope:

80 to 120%

Calibration:

3 point manual or automatic

Electrode:

Epoxy, Ag/AgCl

Temperature:

Range:

0.00 to 100.0°C

Resolution:

0.1°C

Accuracy:

±1°C

Concentration:

Range:

0.0000 to 19999

Resolution:

±0.1 LSD

Accuracy:

±0.5% or ±1 LSD

mV:

Range:

±1999.9

Accuracy:

±0.1 mV

Resolution:

0.1 mV

Inputs:

1 BNC, Temp probe, power, ref.

Power:

9V alkaline or line for 110 or 220V

Description

LC №

PRICE

pH Plus Direct Meter with pH and Temperature probes, , liquid buffers (4, 7, & 10) 120 mL size bottles, complete operating and technical manual with sturdy field case.

LCL-1936

$ 597.00

QTY:

Replacement PARTS, pH Solutions, Tablets, Other recommended Items , and helpful technical information for the above pH Plus Meter are available on our web site.  CLICK HERE

Ion Specific Electrodes

Description

LC Order №

PRICE

Ammonia

5-0043

$310.80

QTY:

Fluoride

5-0048

$326.35

QTY:

Nitrate

5-0052

$326.35

QTY:

Accessory Kits for above ISEs

Although the pH Plus Direct reads directly in ppm, an initial calibration is required. The standard solution, replacement electrolyte, ionic strength adjustor, and a pipet are included in the accessory kit. The ammonia accessory kit also contains replacement membranes.

Description

LC №

PRICE

Ammonia Accessory Kit - pHPLUS
Direct Digital pH Meter

5-0098

$133.35

QTY:

Fluoride Accessory Kit- pHPLUS
Direct Digital pH Meter

5-0099

Nitrate Accessory Kit- pHPLUS
Direct Digital pH Meter

5-0100

$80.00

QTY:

Tracer PockeTester™  for pH

0.0 - 14.99 pH range   +/- 0.01 pH accuracy

LC4569

The TRACER is a revolutionary, first of its kind measurement device that offers direct reading of pH from 0.01 to 14.00 pH. The advantages of the TRACER to the user include ease of use and maintenance, high accuracy, automatic calibration, and fast response. The TRACER offers simultaneous pH and Temperature displays and a 15-reading memory storage. Rubberized, no-slip grip housing floats in water. Careful use and maintenance will provide years of reliable service.

Specifications
Display Multifunction LCD with Bar graph
Operating Conditions 32 to 122F and < 80% RH
pH Range & Accuracy 0.01 to 14.00/ 0.01 pH typical
Temperature Comp. Automatic from 32 to 194F
Compensation Accuracy  0.9 F
Temperature Range 23 to 194F
Temperature Resolution 0.1 up to 99.9 the 1 thereafter
Temperature Accuracy  1.8 F from 23 to 122F
±5.4 F from 122 to 194 F
Measurement storage 15 tagged (numbered) readings
Power Four SR-44 button batteries
Low battery indication 'BAT' appears on the LCD
Auto power off After 10 minutes of inactivity

pH TRACER PockeTester Kit, 0.00-14.00 pH Range Code #LCL-1741 Includes:
Sample Cup w/cap, Tablet Crusher, and Buffer Tablets, pH 4, 7, & 10.

Module

Description

LC  №

PRICE

Tracer PockeTester™  for pH

0-14.99/±0.01 pH

1741

$87.85

QTY:

Optional Weighted Stand & 5 sample cups

1746

$17.00

QTY:

Test Strips and Paper for pH

A convenient, economical way to perform spot checks for several water quality factors. LaMotte test strips are a great way to monitor water without having to use reagents or field kits.

DW=Drinking Water

FB=Food/Beverage

MD=Medical

PS=Pool/Spa

pH Test Strips as part of "Multi-Factor" Strips are available.
Refer to the "Papers" section

Test  Factor(s)

Range ppm

Applications

# of  Tests

LC №

PRICE

pH, Standard Range

6.8 - 8.4

DW,FB

1-roll

LCL-2907

$8.00

QTY:

pH, Range Finder

3.0 - 10.0 pH

DW,FB,MD,PS

200

LCL-2912

$7.65

QTY:

ph, Hydrion

4.5 - 7.5 pH

DW,FB,MD,PS

1-roll

LCL-2953

$9.70

QTY:

pH, Standard Range

0.0-13.0

DW,FB,MD,PS

1-roll

LCL-2954

$15.25

QTY:

pH, Short Range

.0 - 14.0 pH

FB,MD,PS

1-roll

LCL-2955

$14.20

QTY:

pH, Hydrion paper

1.0 - 11.0 pH

DW,FB,MD,PS

1-roll

LCL-2956

$19.00

QTY:

pH, Hydrion paper

1.3 - 4.4 pH

DW,FB,MD

1-roll

LCL-2958

$15.00

QTY:

pH, Hydrion paper

8.0 - 12.0 pH

DW,FB,MD,PS

2-roll

LCL-2959

$14.20

QTY:

pH, wide  range

4-10(  pH)

DW,FB,PS

50

LCL-2974

$8.55

QTY:

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Our order desk and technical support phone lines are available Monday - Friday  7:30 AM - 4:00 PM (EST)  call  518-762-7024 OR Fax us 518-762-7032

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