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Chemical reagent hydrochloric acid
| Number of visits： |
123 |
| Unit Price： |
Face to face |
| Minimum Ordering： |
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| Total supply： |
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| period for dispatch： |
Delivery within 3 days from the date of buyer's payment |
| Valid until： |
Long-term effectiveness |
| Last update： |
2021-03-26 14:21 |
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The degree of consistency between "Chemical Reagent: Hydrochloric Acid (GB/T 622-2006)" and ISO 6353-2: 1983 R13 "hydrochloric acid" is not equivalent. This standard replaces GB/T 622-1989, and compared with GB/T 622-1989, the main changes are as follows: Appearance is changed to chromaticity (3.2 and 4.2 in the 1989 edition; Chapter 4 and 5.3 in this edition); Ignition residue , Sulfate, iron, and arsenic are determined by the general method of chemical reagents
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