ASTM D4972
土壤pH值的标准试验方法
Qty. | Model | Description |
---|---|---|
1 | Choose One: | |
HO-4930 | pH Meter, Portable | |
HO-4940 | pH和温度分析笔 | |
1 | H-4360A.4 | 缓冲溶液,pH值为4.01±pH精度,1品脱 |
1 | H-4360A.7 | 缓冲溶液,pH 7.00±pH精度,1品脱 |
Optional
Qty. | Model | Description |
---|---|---|
1 | Choose One: | |
HB-4529A | 亚当CQT核心便携式天平,250g x 0.1g – 120V 60Hz | |
HB-4529A.4F | 亚当CQT核心便携式天平,250g x 0.1g – 220V 50/60Hz | |
HB-4723A | 奥豪斯Scout SPX便携式天平,420克x .1g - 120V 60Hz | |
HB-4723A.4F | 奥豪斯Scout SPX便携式天平,420克x .1g - 220V 50/60Hz |