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硼酸，4% w/v溶液, 带指示剂,适用于Kjeldahl凯氏法
- Tariff number: 3822 00 00 00
SPECIFICATIONS
assay (acidimetric): approx. 4 %
chlorides (Cl): max. 0,0003 %
phosphates (as PO4): max. 0,0005 %
sulfates (SO4): max. 0,0005 %
arsenic (As): max. 0,00005 %
heavy metals (as Pb): max. 0,0005 %
iron (Fe): max. 0,0001 %
| 容量 | 货号 | ||
|---|---|---|---|
 |
x 1 l | AC05811000 |