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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>153U萘C10H8氣體檢測管153U NAPHTHALENE 10-100ppm

萘C10H8氣體檢測管153U NAPHTHALENE 10-100ppm

簡要描述:

萘C10H8氣體檢測管153U NAPHTHALENE 10-100ppm,健康危害:具有刺激作用,高濃度致溶血性貧血及肝、腎損害。工業上Z重要的稠環芳烴。純品為具有香樟木氣味的白色晶體,熔點80.3℃。主要用于生產鄰苯二甲酸酐、染料中間體、橡膠助劑和殺蟲劑等。1958年以來,代替滴滴涕等氯化產品的甲萘威投產后,用作殺蟲劑原料的比例有所增加。萘的用途分配,各國有所不同,大致用于生產鄰苯二甲酸酐約占70%,染料中間體(如β-萘酚)和橡膠加工助劑約占15%,殺蟲劑約占6%,鞣革劑約占4%

更新時間:2024-12-19

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萘C10H8氣體檢測管153U NAPHTHALENE 10-100ppm

萘C10H8氣體檢測管153U NAPHTHALENE 10-100ppm

Tube 53U

1. PERFORMANCE
1) Measuring range :10-400 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :3 ppm
4) Shelf life :1 year
5) Operating temperature :10~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Pale yellow→Pale blue(The top of discoloured layer is Brown, but read at the
top of Pale blue.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH3CO2CH2(CH3)2+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
300
400
200
150
100
50
30
20
10
ppm
DEHUMIDIFIER
??????????
????
153U ISOBUTYL ACETATE
Substance Interference Coexistence
Esters Similar stain is produced. Higher readings are given.
Alcohols 〃〃
Ketones 〃〃
Halogenated hydrocarbons FIG.1 Whole reagent is changed to Brown. 〃
0
300
400
100
200
500
1,1,1-Trichloroethane〔ppm〕?
FIG.1 Influence of 1,1,1-Trichloroethane
Isobutyl acetate indicating value 〔ppm〕
100 200 300 400 500 600
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
(ppm) (50°F) (59°F) (68°F) (77°F) (86°F) (95°F) (104°F)
400 - - 400 285 240 210 190
300 - - 300 225 190 170 160
200 - 275 200 165 140 130 120
150 - 195 150 125 110 103 95
100 - 120 100 90 80 75 70
50 70 55 50 45 40 40 35
30 40 35 30 25 20 20 20
15 20 15 15 15 10 10 10