Standardized pH Buffer Solutions

pH Buffer Solution

For use in calibration of pH meters. Ordering information for all buffers is listed below.

pH Value	Size	Order Code
4.00	120 mL 500 mL	2866-J 2866-L
7.00	120 mL 500 mL	2881-J 2881-L
10.00	120 mL 500 mL	2896-J 2896-L

Color-Coded pH Buffer Solutions

Minute amount of color permits immediate visual distinction of different buffer values.

pH Value	Color	Size	Order Code
4.01	Red	500 mL	3771-L
7.00	Yellow	500 mL	3772-L
10.00	Blue	500 mL	3773-L

Buffer Tablets

Add one tablet to 20 mL of Deionized Water to produce buffers. Available in 50, 100, and 1000 tablet packs. In foil strips of 10 tablets each.

pH Value	Order Code
4.00	3983
7.00	3984
10.00	3985

Electrode Soaker Bottle

Continuously soaks pH electrode in a storage solution to prevent probe dry out. Twist top “O” ring seal prevents leaks.

Description	Order Code
Electrode Soaker Bottle	0668

Conductivity/TDS Solutions

The following potassium chloride solutions can be used to standardize conductivity meters. TDS values are based on a 0.7 conversion from conductivity.

Description	Size	Order Code
74 µmhos/cm, 52 ppm	500 mL	6416-L
718 µmhos/cm, 503 ppm	500 mL	6417-L
1,413 µmhos/cm, 989 ppm	500 mL	6354-L
6,668 µmhos/cm, 4668 ppm	500 mL	6418-L
58,640 µmhos/cm, 41048 ppm	500 mL	6419-L

Conductivity Neutralizing Solutions
	Please see below for discriptions of these individual Conductivity Neutralizing Solutions.

Code	Description
3745	Alkalinity Reducing Tablets	A convenient tablet containing adipic acid and phenolphthalein. Simply add tablets until the sample changes color. Available in 100 and 1000 tablet packs.
6483	Conductivity Neutralizing Solution	Contains citric acid and phenolphthalein. Add liquid until sample changes color. Available in 60 mL, pint, and gallon sizes.
6479	Gallic Acid Powder	Organic acid powder; indicator must be purchased and added separately. Add raw powder to sample containing indicator until color changes. Available in 100 g and 1 lb. sizes.
3705	Acid Indicator	Contains acetic acid and phenolphthalein. Add liquid until sample changes color. Available in 30 mL, pint, and gallon sizes.

LaMotte Company

Standardized pH Buffer Solutions

pH Value

Size

Order Code

Color-Coded pH Buffer Solutions

pH Value

Color

Size

Order Code

Buffer Tablets

pH Value

Order Code

Electrode Soaker Bottle

Description

Order Code

Conductivity/TDS Solutions

Description

Size

Order Code

Conductivity Neutralizing Solutions

Code

Description

LaMotte Company