ABSOLUTE STANDARDS INC
PO Box 5585, Hamden, CT 06518
customerserv@absolutestandards.com
+1 (800) 368-1131

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Calcium Hardness
100 µg/mL in 0.2%-HCl / Water
$75
100 mL
Calcium Hardness
100 µg/mL in 0.2%-HCl / Water
$125
500 mL
Calcium Hardness
1000 µg/mL in 1%-HCl / Water
$25
100 mL
WP Total Hardness
1000 µg/mL in Water
$25
100 mL
Calcium Hardness
1000 µg/mL in 1%-HCl / Water
$55
4x25 mL
Calcium Hardness
1000 µg/mL in 1%-HCl / Water
$90
500 mL
WP Total Hardness
1000 µg/mL in Water
$90
500 mL