HP702 HPLC甲醇
- 公司名稱 斯百全化學(xué)(上海)有限公司
- 品牌
- 型號 HP702
- 產(chǎn)地 美國
- 廠商性質(zhì) 生產(chǎn)廠家
- 更新時間 2017/7/14 22:42:19
- 訪問次數(shù) 376
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TEST
SPECIFICATION
MIN MAX
RESULT
ASSAY (CH3OH) 99.9% 100.0%
APPEARANCE TO PASS TEST CLEAR COLORLESS LIQUID
SOLUBILITY (in H2O) TO PASS TEST PASSES TEST
COLOR (APHA) 10 3
ULTRAVIOLET ABSORBANCE (1 cm cell vs. water)
@ 205 nm 1.00 0.91
@ 210 nm 0.80 0.46
@ 220 nm 0.25 0.20
@ 230 nm 0.12 0.09
@ 240 nm 0.05 0.04
@ 254 nm 0.01 0.008
@ 280 - 400 nm < 0.005 < 0.005
WATER 0.05% 0.02%
RESIDUE AFTER EVAPORATION 2 PPM 0.8 PPM
TITRABLE ACID 0.0003 meq/g < 0.0003 meq/g
TITRABLE BASE 0.0002 meq/g < 0.0002 meq/g
SUBSTANCES DARKENED BY (H2SO4) TO PASS TEST PASSES TEST
SUBSTANCES REDUCING (KMnO4) TO PASS TEST PASSES TEST
LC GRADIENT SUITABILITY TO PASS TEST PASSES TEST
CARBONYL COMPOUNDS
ACETONE 0.001% < 0.001%
ACETALDEHYDE 0.001% < 0.001%
FORMALDEHYDE (HCHO) 0.001% < 0.001%