مواد استاندارد
Spectrophotometry Nicotinic Acid Absorbance/Transmission Standard 12mg/l
Spectrophotometry Nicotinic Acid Absorbance/Transmission Standard 12mg/l
Spectrophotometry Nicotinic Acid Absorbance/Transmission Standard 6mg/l
Spectrophotometry Nicotinic Acid Absorbance/Transmission Standard 6mg/l
Spectrophotometry Toluene in Hexane Bandwidth Std & Blank
Spectrophotometry Bandwidth Standard Blank - Ratio of 268.7nm peak to 266.8nm trough
Spectrophotometry Bandwidth Standard Toluene in Hexane - Ratio of 268.7nm peak to 266.8nm trough
Spectro Photometric Background Solution
Spectro Photometric Std 8.0 supplied with background solution OPSB
Spectro Photometric Std 7.0 (8307) with background solution OPSB
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دتکتور تیوب گاز Nitrogen dioxide رنج: 0.2-12 بسته 10 عددی GASTEC ژاپن