口岸入境可用作原料的工业品废物环控指标检测方法 第1部分:pH值检验方法 表面pH值测定方法
Test method of environmental protection control for imported industrial wastes as raw materials-Part 1:pH Detecting-The method of surface pH detecting
2009-07-07
USP c791
<791> pH
<791>pH值
DIN 19266
pH measurement - Reference buffer solutions for the calibration of pH measuring equipment
pH测量.pH测量设备校准用参考缓冲溶液
2015-05-01
HG/T 3959-2007
色酚AS-PH
Naphthol AS-PH
2007-07-20
JB/T 6203-2017
工业pH计
Industry pH meters
2017-04-12
JIS K 0802-1986
Recording pH meter
记录式pH计
1986-01-01
DOXPUB 09-0061-SOP
Procedure for pH Measurement
pH测量程序
2007-08-01
NZS 4402.3.3
Determination of the pH value
pH值的测定
BS ISO 23496-2019
Determination of pH value. Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液
2019-07-16
ISO 23496-2019
Determination of pH value — Reference buffer solutions for the calibration of pH measuring equipment
pH值的测定 pH测量设备校准用参考缓冲溶液