Safety Data Sheet

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SENSOREX CORPORATION, 11751 Markon Drive, Garden Grove, CA. 92841 USA - Phone:714-895-4344

MATERIAL SAFETY DATA SHEET

PRODUCTS: SENSOREX SINGLE AND DOUBLE JUNCTION COMBINATION pH AND COMBINATION

ORP (REDOX) ELECTRODES

COMPONENTS: CHEMICAL

CAS# WEIGHT %

pH HALF CELL

: Water 7732-18-5 89

Potassium Chloride 7447-40-7 9

Potassium Phosphate, Monobasic 7778-77-0 1

Sodium Phosphate, Dibasic 7782-85-6 1

Silver Chloride 7783-90-6 <0.1

Preservative <0.1

ORP(REDOX) HALF CELL:

Platinum 7440-06-4 N/A

This material is present as a solid.

REFERENCE HALF-CELL #1:

Water 7732-18-5 71

Potassium Chloride 7447-40-7 26

Silver Chloride 7783-90-6 <0.1

Cellulose Based Gelling Agent 3

Preservative <0.1

REFERENCE HALF-CELL #1:

Water 7732-18-5 71

Potassium Nitrate 7757-79-1 16

Cellulose Based Gelling Agent 3

Preservative <0.1

SOAKER BOTTLE SOLUTION:

Water 7732-18-5 88

Potassium Chloride 7447-40-7 11

Potassium Acid Phthalate 877-24-7 1

Preservative <0.01

Components without CAS numbers are proprietary in nature. The "Gelling Agent" is a food grade material. In its concentrated

powdered form the "Preservative" is considered a health hazard; however, in the small concentrations used it is not believed to present a

health hazard. The hazards associated with this product are those related to the constituent chemicals. Material Safety Data Sheets for

these

non-proprietary materials are attached.

*****MULTIPLE COMPONENT SPILL OR LEAK PROCEDURES*****

Steps to take if material is released or spilled:

1. WEAR APPROPRIATE PROTECTIVE EQUIPMENT.

2. WIPE UP THE SPILL WITH ABSORBENT MATERIAL.

3. WASH THE SPILL AREA.

Waste Disposal:

1. DISPOSE IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS.

Although SENSOREX attempts to provide current and accurate information herein, SENSOREX makes no representation regarding the

accuracy or completeness of the information and assumes no liability for any loss, damage or injury of any kind which may result from,

or arise out of, the use of/or reliance on the information by any person.

MSDS SHEET NO. MSDSALL.DOC

ISSUE DATE: 04 SEPTEMBER 1996

REVISED: 15 JANUARY, 2003