Član VIP
Vinyl acetate 143 Vinyl acetate
Vinyl acetate 143 Vinyl acetate, 5 to 10 ppm 10 to 100 ppm 100 to 250ppm, lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï lëu bï
Detalji proizvoda
醋酸乙烯酯检测管143 Vinyl acetate (Vinyl acetate)
Vinyl acetate No.143
CH3CO2CH: CH2
Luɔi |
Range de mesure |
5 ha 10 ppm |
10 ha 100 ppm |
100 ha 250ppm |
Namba Pump Strokes |
4 |
2 |
1 |
Faktor Koreksyon |
1/2 |
1 |
2.5 |
SamplingTime |
45 sekond në pumpstroke |
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DetectingLimit (Limit) |
1 ppm (n=4) |
||
Color Change |
White → Brown |
||
Reaction Principle |
CH3CO2CH: CH2+ C6H3((CH)3)3+ H2S2O7→ Kondensasiɔn Polymer (Brown) |
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Koefisien de Variation | 15% (10 tënë 20 ppm), 10% (tënë 20 tënë 100 ppm) | ||
ShelfLife | Saan 3 | ||
Lööŋ kɛ kui tɛmɛr & humidity |
Wala wajib | ||
Lɔ̈k tɛ̈n tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u |
Kä lëu bɛ̈n tɔ̈u thïn ku kä lëu bɛ̈n tɔ̈u thïn | ((NOTE) |
Substans |
Konsentrasi |
Kɔl |
Gɛɛr laun |
Aldehydes |
- | Plus error |
Brown |
Ketones |
- | Plus error |
Brown |
Etilen |
1000ppm |
Plus error |
Yellow ye |
Vinylklorid |
500ppm |
Plus error |
Yellow ye |
Kä kɔ̈k lëu bï kek them në tube de detektor kënë |
Kalibration gasgeneration (Kalibration gasgeneration) | Method de tub de diffusion |
TLV-TWA | TLV-STEL | Range de explosif |
10ppm | 15ppm | 2.6 tënë 13.4% |
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