000
00290 a2200121 4500
080
_a
541.132.3
_b
A 512 S
245
1
_a
pH measurement
260
_a
Philadelphia
_b
American Society for Testing Materials
_c
1946
650
_a
pH Measurement
100
_a
_d
300
_a
79 p.
901
_a
24130
999
_c
26633
_d
26633