夜夜爽夜夜叫夜夜高潮漏水,13小男生GAY自慰脱裤子,亚洲国产精品美女久久久久AV,中文字幕丰满乱孑伦无码专区

產品列表PRODUCTS LIST

首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>105SD鄰甲苯胺C6H4(CH3)(NH2)氣體檢測管105SD O-TOLUIDINE 2-22ppm

鄰甲苯胺C6H4(CH3)(NH2)氣體檢測管105SD O-TOLUIDINE 2-22ppm

簡要描述:

鄰甲苯胺C6H4(CH3)(NH2)氣體檢測管105SD O-TOLUIDINE 2-22ppm,中文名稱:2-甲基苯胺;別名:鄰甲苯胺;2-氨基甲苯;鄰氨基甲苯,英文名稱:o-Toluidine;2-Toluidine,分子式(Formula): C7H9N,用于生產棗紅色基GBC、大紅色基G、紅色基RL、色酚ASD、酸性桃紅3B、酸性品紅和堿性紅T等染料產品,以及農藥殺蟲醚、硫化促進劑、選礦劑甲苯砷酸等。

更新時間:2024-12-19

發郵件給我們:554328895@qq.com

分享到: 1
在線留言
鄰甲苯胺C6H4(CH3)(NH2)氣體檢測管105SD O-TOLUIDINE 2-22ppm

鄰甲苯胺C6H4(CH3)(NH2)氣體檢測管105SD O-TOLUIDINE 2-22ppm

Tube 05SD
1. PERFORMANCE
1) Measuring range :1-20 ppm 0.2-1 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.1 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
2NH3+H3PO4→(NH4)2PO4
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20
18
16
14
12
10
8
6
4
2 1
100ml
ppm
GAS To pump
DEHUMIDIFIER
(White)
105SD AMMONIA
Substance Interference Coexistence
Amines Similar stain is produced. Higher readings are given.
(NOTE)
When the concentration is below 1 ppm, 2 to 5 pump strokes can be used to detemine the lower concentration.
Following formula is available for actual concentration.
Actual concentration=Reading value× 1
Number of strokes